MSM US Equity

MSC INDUSTRIAL DIRECT CO INC

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Consumer Discretionary · Wholesale-Industrial Machinery & Equipment · CIK 1003078 · FYE 0829

$120.97

-3.81 (-3.05%)

USD · as of 2026-07-29 · marketstack

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Institutional ownership· 13F filers holding MSM · 2026-Q1 methodology → sources →

413 holders

% of shares outstanding held

84.1%

Shares held (13F)

46,945,901

Reporting holders

413

Top holders

largest 100 of 413 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	BlackRock, Inc.	5,432,6445.4M	$501M	9.73%	—
2	AMERICAN CENTURY COMPANIES INC	2,612,9632.6M	$241M	4.68%	TRIM -8%
3	VANGUARD PORTFOLIO MANAGEMENT LLC	2,132,8572.1M	$197M	3.82%	NEW†
4	VANGUARD CAPITAL MANAGEMENT LLC	2,001,9452.0M	$185M	3.58%	NEW†
5	FULLER & THALER ASSET MANAGEMENT, INC.	1,785,5961.8M	$165M	3.20%	TRIM -50%
6	FIRST TRUST ADVISORS LP	1,773,1331.8M	$164M	3.18%	ADD 21%
7	Boston Partners	1,660,5011.7M	$153M	2.97%	TRIM -4%
8	STATE STREET CORP	1,410,7601.4M	$130M	2.53%	TRIM -12%
9	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1,393,0621.4M	$129M	2.49%	TRIM -18%
10	DIMENSIONAL FUND ADVISORS LP	1,357,4191.4M	$125M	2.43%	—
11	Invesco Ltd.	1,150,7821.2M	$106M	2.06%	TRIM -9%
12	GEODE CAPITAL MANAGEMENT, LLC	1,107,5301.1M	$102M	1.98%	ADD 5%
13	Epoch Investment Partners, Inc.	976,631976,631	$90M	1.75%	—
14	VICTORY CAPITAL MANAGEMENT INC	932,321932,321	$86M	1.67%	TRIM -6%
15	MILLENNIUM MANAGEMENT LLC	728,602728,602	$67M	1.30%	ADD 71%
16	DEPRINCE RACE & ZOLLO INC	705,775705,775	$65M	1.26%	ADD 43%
17	MORGAN STANLEY	616,204616,204	$57M	1.10%	TRIM -8%
18	Alberta Investment Management Corp	602,000602,000	$56M	1.08%	TRIM -3%
19	NEW SOUTH CAPITAL MANAGEMENT INC	578,751578,751	$53M	1.04%	TRIM -7%
20	MACKENZIE FINANCIAL CORP	563,100563,100	$52M	1.01%	TRIM -3%
21	Point72 Asset Management, L.P.	531,418531,418	$49M	0.95%	ADD 1185%
22	Bank of New York Mellon Corp	487,074487,074	$45M	0.87%	—
23	Boston Trust Walden Corp	486,508486,508	$45M	0.87%	TRIM -12%
24	Allianz Asset Management GmbH	471,976471,976	$44M	0.85%	ADD 53%
25	Quantinno Capital Management LP	461,835461,835	$43M	0.83%	TRIM -17%
26	PZENA INVESTMENT MANAGEMENT LLC	444,610444,610	$41M	0.80%	—
27	NORTHERN TRUST CORP	430,184430,184	$40M	0.77%	ADD 9%
28	FMR LLC	413,962413,962	$38M	0.74%	ADD 17%
29	OLD REPUBLIC INTERNATIONAL CORP	412,400412,400	$38M	0.74%	TRIM -27%
30	CITADEL ADVISORS LLC	398,364398,364	$37M	0.71%	ADD 141%
31	CRAWFORD INVESTMENT COUNSEL INC	392,999392,999	$36M	0.70%	ADD 3%
32	ROYCE & ASSOCIATES LP	387,325387,325	$36M	0.69%	TRIM -8%
33	BRANDES INVESTMENT PARTNERS, LP	372,515372,515	$34M	0.67%	ADD 17%
34	UBS Group AG	364,319364,319	$34M	0.65%	TRIM -8%
35	VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	358,699358,699	$33M	0.64%	ADD 3%
36	Balyasny Asset Management L.P.	335,797335,797	$31M	0.60%	NEW
37	FIL Ltd	326,737326,737	$30M	0.59%	ADD 17%
38	ALLIANCEBERNSTEIN L.P.	352,164352,164	$30M	0.63%	TRIM -10%
39	BANK OF AMERICA CORP /DE/	306,695306,695	$28M	0.55%	TRIM -15%
40	JPMORGAN CHASE & CO	313,872313,872	$28M	0.56%	ADD 19%
41	GOLDMAN SACHS GROUP INC	300,042300,042	$28M	0.54%	ADD 35%
42	AQR CAPITAL MANAGEMENT LLC	300,178300,178	$27M	0.54%	ADD 3%
43	Medina Value Partners, LLC	289,622289,622	$27M	0.52%	NEW
44	VANGUARD FIDUCIARY TRUST CO	283,774283,774	$26M	0.51%	NEW
45	Bragg Financial Advisors, Inc	282,261282,261	$26M	0.51%	—
46	Gotham Asset Management, LLC	241,967241,967	$22M	0.43%	TRIM -4%
47	Russell Investments Group, Ltd.	228,822228,822	$21M	0.41%	ADD 12%
48	WELLINGTON MANAGEMENT GROUP LLP	209,333209,333	$19M	0.37%	TRIM -4%
49	JANUS HENDERSON GROUP PLC	205,340205,340	$19M	0.37%	TRIM -48%
50	AMERIPRISE FINANCIAL INC	186,737186,737	$17M	0.33%	TRIM -7%
51	Verition Fund Management LLC	171,409171,409	$16M	0.31%	ADD 444%
52	LONE PEAK GLOBAL INVESTORS LLC	171,195171,195	$16M	0.31%	ADD 3411%
53	Schonfeld Strategic Advisors LLC	165,804165,804	$15M	0.30%	TRIM -4%
54	WINTON GROUP Ltd	158,144158,144	$15M	0.28%	ADD 1968%
55	DekaBank Deutsche Girozentrale	156,119156,119	$14M	0.28%	—
56	ARGENT CAPITAL MANAGEMENT LLC	149,087149,087	$14M	0.27%	NEW
57	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	141,925141,925	$13M	0.25%	TRIM -2%
58	RHUMBLINE ADVISERS	138,476138,476	$13M	0.25%	TRIM -3%
59	Squarepoint Ops LLC	126,180126,180	$12M	0.23%	TRIM -32%
60	Ceredex Value Advisors LLC	124,000124,000	$11M	0.22%	ADD 9%
61	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	120,043120,043	$11M	0.21%	—
62	TECTONIC ADVISORS LLC	117,233117,233	$11M	0.21%	ADD 7%
63	SEI INVESTMENTS CO	116,351116,351	$11M	0.21%	ADD 58%
64	INTRINSIC EDGE CAPITAL MANAGEMENT LLC	110,000110,000	$10M	0.20%	TRIM -21%
65	TD Asset Management Inc	108,457108,457	$10M	0.19%	TRIM -4%
66	HANCOCK WHITNEY CORP	103,109103,109	$10M	0.18%	NEW
67	PRINCIPAL FINANCIAL GROUP INC	102,121102,121	$9M	0.18%	ADD 4%
68	FRANKLIN RESOURCES INC	100,857100,857	$9M	0.18%	TRIM -20%
69	FEDERATED HERMES, INC.	96,05196,051	$9M	0.17%	—
70	NEW YORK STATE COMMON RETIREMENT FUND	95,28595,285	$9M	0.17%	ADD 34%
71	RAYMOND JAMES FINANCIAL INC	91,54091,540	$8M	0.16%	TRIM -3%
72	California Public Employees Retirement System	89,48989,489	$8M	0.16%	ADD 3%
73	Swiss National Bank	88,30088,300	$8M	0.16%	—
74	Hudson Bay Capital Management LP	87,60287,602	$8M	0.16%	ADD 46%
75	SG Capital Management LLC	87,30387,303	$8M	0.16%	TRIM -85%
76	Nuveen, LLC	84,75884,758	$8M	0.15%	ADD 4%
77	TEACHER RETIREMENT SYSTEM OF TEXAS	79,08479,084	$7M	0.14%	TRIM -8%
78	Veritas Asset Management LLP	75,38675,386	$7M	0.13%	TRIM -20%
79	Thrivent Financial for Lutherans	71,55471,554	$7M	0.13%	TRIM -24%
80	Legal & General Group Plc	70,35570,355	$6M	0.13%	TRIM -5%
81	NewSquare Capital LLC	64,15264,152	$6M	0.11%	TRIM -2%
82	Altrius Capital Management Inc	62,16562,165	$6M	0.11%	ADD 6%
83	NEW YORK STATE TEACHERS RETIREMENT SYSTEM	60,27160,271	$6M	0.11%	TRIM -3%
84	BUTENSKY & COHEN FINANCIAL SECURITY, INC	60,01660,016	$6M	0.11%	—
85	Creative Planning	56,10856,108	$5M	0.10%	ADD 91%
86	Retirement Systems of Alabama	56,09856,098	$5M	0.10%	ADD 2%
87	Illinois Municipal Retirement Fund	55,06155,061	$5M	0.10%	ADD 47%
88	ROYAL BANK OF CANADA	55,06655,066	$5M	0.10%	ADD 13%
89	HighTower Advisors, LLC	54,26054,260	$5M	0.10%	ADD 8%
90	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	53,86153,861	$5M	0.10%	—
91	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	53,74853,748	$5M	0.10%	ADD 27%
92	PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	52,97252,972	$5M	0.09%	TRIM -3%
93	WealthPlan Investment Management, LLC	51,10251,102	$5M	0.09%	TRIM -33%
94	Qube Research & Technologies Ltd	50,80350,803	$5M	0.09%	NEW
95	ENVESTNET ASSET MANAGEMENT INC	49,71949,719	$5M	0.09%	ADD 29%
96	PRICE T ROWE ASSOCIATES INC /MD/	47,16947,169	$4M	0.08%	ADD 13%
97	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	47,08947,089	$4M	0.08%	—
98	Advisors Asset Management, Inc.	46,89346,893	$4M	0.08%	TRIM -31%
99	ICON ADVISERS INC/CO	46,38046,380	$4M	0.08%	NEW
100	VALLEY WEALTH MANAGERS, INC.	45,66945,669	$4M	0.08%	ADD 3%

† a filer this large appearing as NEW usually reflects a renamed or succeeded filing entity (the old name stops filing the same quarter) — not a brand-new position.

Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.

Holder trends· top 15 holders · shares held over 6 quarters

green added · red trimmed

Holder

2024-Q4

2025-Q1

2025-Q2

2025-Q3

2025-Q4

2026-Q1

Latest value

BlackRock, Inc.

5.2M

5.3M

5.2M

5.3M

5.4M

$501M

AMERICAN CENTURY COMPANIES INC

3.4M

3.7M

2.7M

2.8M

2.6M

$241M

VANGUARD PORTFOLIO MANAGEMENT LLC

—

2.1M

$197M

VANGUARD CAPITAL MANAGEMENT LLC

—

2.0M

$185M

FULLER & THALER ASSET MANAGEMENT, INC.

557K

1.0M

1.6M

3.6M

1.8M

$165M

FIRST TRUST ADVISORS LP

2.0M

1.7M

1.5M

1.8M

$164M

Boston Partners

1.4M

1.8M

1.7M

1.8M

1.7M

$153M

STATE STREET CORP

1.4M

1.6M

1.4M

$130M

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

1.7M

1.8M

1.7M

1.4M

$129M

DIMENSIONAL FUND ADVISORS LP

1.1M

1.3M

1.4M

$125M

Invesco Ltd.

1.2M

1.3M

1.2M

$106M

GEODE CAPITAL MANAGEMENT, LLC

1.1M

1.0M

1.1M

$102M

Epoch Investment Partners, Inc.

963K

1.1M

1.0M

979K

977K

$90M

VICTORY CAPITAL MANAGEMENT INC

143K

780K

1.3M

1.2M

989K

932K

$86M

MILLENNIUM MANAGEMENT LLC

367K

217K

780K

671K

426K

729K

$67M

Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.

Institutional footprint by quarter

Line breaks are honest gaps — quarters with no 13F record, or a suppressed % — never interpolated. % of shares outstanding uses today's share count for every quarter (the only count stored).

Quarter	Holders	Shares held	% shares out	Value held
2026-Q1	413	46,945,901	84.1%	$4.3B
2025-Q4

Short interest has its own tab now — open SI →

Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.

Activists & large holders· Schedule 13D/G beneficial owners · MSM

Large holders — 13G, passive (top 3 by % of class)

Holder	% of class	Type	As of
BlackRock, Inc.	9.1%	QII	2025-03-31	SEC →
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	4.7%	QII	2026-03-31	SEC →
VANGUARD GROUP INC	0%	QII	2026-03-13	SEC →

Source: SEC Schedule 13D/13G structured XML. 13D = active intent; 13G filers report passively (Rule 13d-1(b) QII / 13d-1(c) Passive / 13d-1(d) Exempt) and are not activists. Percent and delta are the group aggregate the filing reports. Structured 13D/G coverage begins December 2024 (SEC XML mandate).

Institutional ownership· 13F filers holding MSM · 2026-Q1 methodology → sources →

413 holders

% of shares outstanding held

84.1%

Shares held (13F)

46,945,901

Reporting holders

413

Top holders

largest 100 of 413 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	BlackRock, Inc.	5,432,6445.4M	$501M	9.73%	—
2	AMERICAN CENTURY COMPANIES INC	2,612,9632.6M	$241M	4.68%	TRIM -8%
3	VANGUARD PORTFOLIO MANAGEMENT LLC	2,132,8572.1M	$197M	3.82%	NEW†
4	VANGUARD CAPITAL MANAGEMENT LLC	2,001,9452.0M	$185M	3.58%	NEW†
5	FULLER & THALER ASSET MANAGEMENT, INC.	1,785,5961.8M	$165M	3.20%	TRIM -50%
6	FIRST TRUST ADVISORS LP	1,773,1331.8M	$164M	3.18%	ADD 21%
7	Boston Partners	1,660,5011.7M	$153M	2.97%	TRIM -4%
8	STATE STREET CORP	1,410,7601.4M	$130M	2.53%	TRIM -12%
9	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1,393,0621.4M	$129M	2.49%	TRIM -18%
10	DIMENSIONAL FUND ADVISORS LP	1,357,4191.4M	$125M	2.43%	—
11	Invesco Ltd.	1,150,7821.2M	$106M	2.06%	TRIM -9%
12	GEODE CAPITAL MANAGEMENT, LLC	1,107,5301.1M	$102M	1.98%	ADD 5%
13	Epoch Investment Partners, Inc.	976,631976,631	$90M	1.75%	—
14	VICTORY CAPITAL MANAGEMENT INC	932,321932,321	$86M	1.67%	TRIM -6%
15	MILLENNIUM MANAGEMENT LLC	728,602728,602	$67M	1.30%	ADD 71%
16	DEPRINCE RACE & ZOLLO INC	705,775705,775	$65M	1.26%	ADD 43%
17	MORGAN STANLEY	616,204616,204	$57M	1.10%	TRIM -8%
18	Alberta Investment Management Corp	602,000602,000	$56M	1.08%	TRIM -3%
19	NEW SOUTH CAPITAL MANAGEMENT INC	578,751578,751	$53M	1.04%	TRIM -7%
20	MACKENZIE FINANCIAL CORP	563,100563,100	$52M	1.01%	TRIM -3%
21	Point72 Asset Management, L.P.	531,418531,418	$49M	0.95%	ADD 1185%
22	Bank of New York Mellon Corp	487,074487,074	$45M	0.87%	—
23	Boston Trust Walden Corp	486,508486,508	$45M	0.87%	TRIM -12%
24	Allianz Asset Management GmbH	471,976471,976	$44M	0.85%	ADD 53%
25	Quantinno Capital Management LP	461,835461,835	$43M	0.83%	TRIM -17%
26	PZENA INVESTMENT MANAGEMENT LLC	444,610444,610	$41M	0.80%	—
27	NORTHERN TRUST CORP	430,184430,184	$40M	0.77%	ADD 9%
28	FMR LLC	413,962413,962	$38M	0.74%	ADD 17%
29	OLD REPUBLIC INTERNATIONAL CORP	412,400412,400	$38M	0.74%	TRIM -27%
30	CITADEL ADVISORS LLC	398,364398,364	$37M	0.71%	ADD 141%
31	CRAWFORD INVESTMENT COUNSEL INC	392,999392,999	$36M	0.70%	ADD 3%
32	ROYCE & ASSOCIATES LP	387,325387,325	$36M	0.69%	TRIM -8%
33	BRANDES INVESTMENT PARTNERS, LP	372,515372,515	$34M	0.67%	ADD 17%
34	UBS Group AG	364,319364,319	$34M	0.65%	TRIM -8%
35	VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	358,699358,699	$33M	0.64%	ADD 3%
36	Balyasny Asset Management L.P.	335,797335,797	$31M	0.60%	NEW
37	FIL Ltd	326,737326,737	$30M	0.59%	ADD 17%
38	ALLIANCEBERNSTEIN L.P.	352,164352,164	$30M	0.63%	TRIM -10%
39	BANK OF AMERICA CORP /DE/	306,695306,695	$28M	0.55%	TRIM -15%
40	JPMORGAN CHASE & CO	313,872313,872	$28M	0.56%	ADD 19%
41	GOLDMAN SACHS GROUP INC	300,042300,042	$28M	0.54%	ADD 35%
42	AQR CAPITAL MANAGEMENT LLC	300,178300,178	$27M	0.54%	ADD 3%
43	Medina Value Partners, LLC	289,622289,622	$27M	0.52%	NEW
44	VANGUARD FIDUCIARY TRUST CO	283,774283,774	$26M	0.51%	NEW
45	Bragg Financial Advisors, Inc	282,261282,261	$26M	0.51%	—
46	Gotham Asset Management, LLC	241,967241,967	$22M	0.43%	TRIM -4%
47	Russell Investments Group, Ltd.	228,822228,822	$21M	0.41%	ADD 12%
48	WELLINGTON MANAGEMENT GROUP LLP	209,333209,333	$19M	0.37%	TRIM -4%
49	JANUS HENDERSON GROUP PLC	205,340205,340	$19M	0.37%	TRIM -48%
50	AMERIPRISE FINANCIAL INC	186,737186,737	$17M	0.33%	TRIM -7%
51	Verition Fund Management LLC	171,409171,409	$16M	0.31%	ADD 444%
52	LONE PEAK GLOBAL INVESTORS LLC	171,195171,195	$16M	0.31%	ADD 3411%
53	Schonfeld Strategic Advisors LLC	165,804165,804	$15M	0.30%	TRIM -4%
54	WINTON GROUP Ltd	158,144158,144	$15M	0.28%	ADD 1968%
55	DekaBank Deutsche Girozentrale	156,119156,119	$14M	0.28%	—
56	ARGENT CAPITAL MANAGEMENT LLC	149,087149,087	$14M	0.27%	NEW
57	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	141,925141,925	$13M	0.25%	TRIM -2%
58	RHUMBLINE ADVISERS	138,476138,476	$13M	0.25%	TRIM -3%
59	Squarepoint Ops LLC	126,180126,180	$12M	0.23%	TRIM -32%
60	Ceredex Value Advisors LLC	124,000124,000	$11M	0.22%	ADD 9%
61	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	120,043120,043	$11M	0.21%	—
62	TECTONIC ADVISORS LLC	117,233117,233	$11M	0.21%	ADD 7%
63	SEI INVESTMENTS CO	116,351116,351	$11M	0.21%	ADD 58%
64	INTRINSIC EDGE CAPITAL MANAGEMENT LLC	110,000110,000	$10M	0.20%	TRIM -21%
65	TD Asset Management Inc	108,457108,457	$10M	0.19%	TRIM -4%
66	HANCOCK WHITNEY CORP	103,109103,109	$10M	0.18%	NEW
67	PRINCIPAL FINANCIAL GROUP INC	102,121102,121	$9M	0.18%	ADD 4%
68	FRANKLIN RESOURCES INC	100,857100,857	$9M	0.18%	TRIM -20%
69	FEDERATED HERMES, INC.	96,05196,051	$9M	0.17%	—
70	NEW YORK STATE COMMON RETIREMENT FUND	95,28595,285	$9M	0.17%	ADD 34%
71	RAYMOND JAMES FINANCIAL INC	91,54091,540	$8M	0.16%	TRIM -3%
72	California Public Employees Retirement System	89,48989,489	$8M	0.16%	ADD 3%
73	Swiss National Bank	88,30088,300	$8M	0.16%	—
74	Hudson Bay Capital Management LP	87,60287,602	$8M	0.16%	ADD 46%
75	SG Capital Management LLC	87,30387,303	$8M	0.16%	TRIM -85%
76	Nuveen, LLC	84,75884,758	$8M	0.15%	ADD 4%
77	TEACHER RETIREMENT SYSTEM OF TEXAS	79,08479,084	$7M	0.14%	TRIM -8%
78	Veritas Asset Management LLP	75,38675,386	$7M	0.13%	TRIM -20%
79	Thrivent Financial for Lutherans	71,55471,554	$7M	0.13%	TRIM -24%
80	Legal & General Group Plc	70,35570,355	$6M	0.13%	TRIM -5%
81	NewSquare Capital LLC	64,15264,152	$6M	0.11%	TRIM -2%
82	Altrius Capital Management Inc	62,16562,165	$6M	0.11%	ADD 6%
83	NEW YORK STATE TEACHERS RETIREMENT SYSTEM	60,27160,271	$6M	0.11%	TRIM -3%
84	BUTENSKY & COHEN FINANCIAL SECURITY, INC	60,01660,016	$6M	0.11%	—
85	Creative Planning	56,10856,108	$5M	0.10%	ADD 91%
86	Retirement Systems of Alabama	56,09856,098	$5M	0.10%	ADD 2%
87	Illinois Municipal Retirement Fund	55,06155,061	$5M	0.10%	ADD 47%
88	ROYAL BANK OF CANADA	55,06655,066	$5M	0.10%	ADD 13%
89	HighTower Advisors, LLC	54,26054,260	$5M	0.10%	ADD 8%
90	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	53,86153,861	$5M	0.10%	—
91	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	53,74853,748	$5M	0.10%	ADD 27%
92	PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	52,97252,972	$5M	0.09%	TRIM -3%
93	WealthPlan Investment Management, LLC	51,10251,102	$5M	0.09%	TRIM -33%
94	Qube Research & Technologies Ltd	50,80350,803	$5M	0.09%	NEW
95	ENVESTNET ASSET MANAGEMENT INC	49,71949,719	$5M	0.09%	ADD 29%
96	PRICE T ROWE ASSOCIATES INC /MD/	47,16947,169	$4M	0.08%	ADD 13%
97	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	47,08947,089	$4M	0.08%	—
98	Advisors Asset Management, Inc.	46,89346,893	$4M	0.08%	TRIM -31%
99	ICON ADVISERS INC/CO	46,38046,380	$4M	0.08%	NEW
100	VALLEY WEALTH MANAGERS, INC.	45,66945,669	$4M	0.08%	ADD 3%

† a filer this large appearing as NEW usually reflects a renamed or succeeded filing entity (the old name stops filing the same quarter) — not a brand-new position.

Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.

Holder trends· top 15 holders · shares held over 6 quarters

green added · red trimmed

Holder

2024-Q4

2025-Q1

2025-Q2

2025-Q3

2025-Q4

2026-Q1

Latest value

BlackRock, Inc.

5.2M

5.3M

5.2M

5.3M

5.4M

$501M

AMERICAN CENTURY COMPANIES INC

3.4M

3.7M

2.7M

2.8M

2.6M

$241M

VANGUARD PORTFOLIO MANAGEMENT LLC

—

2.1M

$197M

VANGUARD CAPITAL MANAGEMENT LLC

—

2.0M

$185M

FULLER & THALER ASSET MANAGEMENT, INC.

557K

1.0M

1.6M

3.6M

1.8M

$165M

FIRST TRUST ADVISORS LP

2.0M

1.7M

1.5M

1.8M

$164M

Boston Partners

1.4M

1.8M

1.7M

1.8M

1.7M

$153M

STATE STREET CORP

1.4M

1.6M

1.4M

$130M

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

1.7M

1.8M

1.7M

1.4M

$129M

DIMENSIONAL FUND ADVISORS LP

1.1M

1.3M

1.4M

$125M

Invesco Ltd.

1.2M

1.3M

1.2M

$106M

GEODE CAPITAL MANAGEMENT, LLC

1.1M

1.0M

1.1M

$102M

Epoch Investment Partners, Inc.

963K

1.1M

1.0M

979K

977K

$90M

VICTORY CAPITAL MANAGEMENT INC

143K

780K

1.3M

1.2M

989K

932K

$86M

MILLENNIUM MANAGEMENT LLC

367K

217K

780K

671K

426K

729K

$67M

Institutional footprint by quarter

Line breaks are honest gaps — quarters with no 13F record, or a suppressed % — never interpolated. % of shares outstanding uses today's share count for every quarter (the only count stored).

Quarter	Holders	Shares held	% shares out	Value held
2026-Q1	413	46,945,901	84.1%	$4.3B
2025-Q4

Short interest has its own tab now — open SI →

Activists & large holders· Schedule 13D/G beneficial owners · MSM

Large holders — 13G, passive (top 3 by % of class)

Holder	% of class	Type	As of
BlackRock, Inc.	9.1%	QII	2025-03-31	SEC →
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	4.7%	QII	2026-03-31	SEC →
VANGUARD GROUP INC	0%	QII	2026-03-13	SEC →

MSM US Equity☆

Institutional ownership· 13F filers holding MSM · 2026-Q1 methodology → sources →

Top holders

Holder trends· top 15 holders · shares held over 6 quarters

Institutional footprint by quarter

Activists & large holders· Schedule 13D/G beneficial owners · MSM

Institutional ownership· 13F filers holding MSM · 2026-Q1 methodology → sources →

Top holders

Holder trends· top 15 holders · shares held over 6 quarters

Institutional footprint by quarter

Activists & large holders· Schedule 13D/G beneficial owners · MSM

MSM US Equity