$37.00
+0.43 (+1.18%)
USD · as of 2026-08-21 · marketstack
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 26,790,40626.8M | $807M | 10.27% | ADD 4% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 12,643,09412.6M | $381M | 4.85% | NEW† |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 11,709,15111.7M | $353M | 4.49% | NEW† |
| 4 | Capital International Investors | 11,385,26711.4M | $343M | 4.37% | ADD 26% |
| 5 | Pictet Asset Management Holding SA | 9,644,7929.6M | $290M | 3.70% | TRIM -14% |
| 6 | STATE STREET CORP | 9,635,9129.6M | $290M | 3.69% | ADD 2% |
| 7 | NEUBERGER BERMAN GROUP LLC | 7,269,6577.3M | $219M | 2.79% | TRIM -13% |
| 8 | SANDS CAPITAL MANAGEMENT, LLC | 6,658,8236.7M | $201M | 2.55% | TRIM -5% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 5,217,4485.2M | $157M | 2.00% | ADD 3% |
| 10 | FIL Ltd | 4,832,6724.8M | $146M | 1.85% | ADD 4% |
| 11 | WELLINGTON MANAGEMENT GROUP LLP | 4,804,0494.8M | $145M | 1.84% | ADD 355% |
| 12 | Amundi | 4,749,2474.7M | $143M | 1.82% | TRIM -7% |
| 13 | Van Berkom & Associates Inc. | 4,571,5764.6M | $138M | 1.75% | ADD 99% |
| 14 | Impax Asset Management Group plc | 3,830,0743.8M | $115M | 1.47% | ADD 19% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 3,789,2403.8M | $114M | 1.45% | ADD 3% |
| 16 | FERNBRIDGE CAPITAL MANAGEMENT LP | 3,400,7753.4M | $102M | 1.30% | ADD 11% |
| 17 | FULLER & THALER ASSET MANAGEMENT, INC. | 3,314,4433.3M | $100M | 1.27% | NEW |
| 18 | LGT Group Foundation | 3,161,7083.2M | $95M | 1.21% | ADD 3% |
| 19 | ALLIANCEBERNSTEIN L.P. | 2,807,4652.8M | $94M | 1.08% | TRIM -9% |
| 20 | Invesco Ltd. | 2,934,9002.9M | $88M | 1.13% | ADD 14% |
| 21 | Ninety One UK Ltd | 2,731,7212.7M | $82M | 1.05% | TRIM -3% |
| 22 | FIRST TRUST ADVISORS LP | 2,445,4822.4M | $74M | 0.94% | ADD 48% |
| 23 | Bank of New York Mellon Corp | 2,348,6372.3M | $71M | 0.90% | — |
| 24 | NORTHERN TRUST CORP | 2,320,3112.3M | $70M | 0.89% | — |
| 25 | M&G PLC | 2,318,5342.3M | $70M | 0.89% | TRIM -4% |
| 26 | Robeco Schweiz AG | 2,287,2502.3M | $69M | 0.88% | TRIM -3% |
| 27 | MORGAN STANLEY | 2,239,5042.2M | $67M | 0.86% | TRIM -4% |
| 28 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2,237,2572.2M | $67M | 0.86% | ADD 4% |
| 29 | AMERIPRISE FINANCIAL INC | 2,020,9252.0M | $61M | 0.77% | TRIM -23% |
| 30 | AVIVA PLC | 1,926,7951.9M | $58M | 0.74% | TRIM -6% |
| 31 | GOLDMAN SACHS GROUP INC | 1,926,6681.9M | $58M | 0.74% | ADD 24% |
| 32 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1,918,6811.9M | $58M | 0.74% | ADD 5% |
| 33 | KING LUTHER CAPITAL MANAGEMENT CORP | 1,785,4651.8M | $54M | 0.68% | ADD 12% |
| 34 | CITADEL ADVISORS LLC | 1,740,9111.7M | $52M | 0.67% | ADD 3341% |
| 35 | DEUTSCHE BANK AG\ | 1,733,6961.7M | $52M | 0.66% | ADD 25% |
| 36 | Allianz Asset Management GmbH | 1,730,0381.7M | $52M | 0.66% | ADD 9% |
| 37 | VANGUARD FIDUCIARY TRUST CO | 1,628,3441.6M | $49M | 0.62% | NEW |
| 38 | Quantinno Capital Management LP | 1,551,1761.6M | $47M | 0.59% | ADD 2% |
| 39 | AQR CAPITAL MANAGEMENT LLC | 1,514,4621.5M | $45M | 0.58% | TRIM -47% |
| 40 | BESSEMER GROUP INC | 1,432,0051.4M | $43M | 0.55% | ADD 3% |
| 41 | Aberdeen Group plc | 1,422,2131.4M | $43M | 0.55% | TRIM -5% |
| 42 | Corient Private Wealth LLC | 1,389,8231.4M | $42M | 0.53% | TRIM -56% |
| 43 | BANK OF AMERICA CORP /DE/ | 1,371,1361.4M | $41M | 0.53% | TRIM -32% |
| 44 | NEUMEIER POMA INVESTMENT COUNSEL LLC | 1,303,9131.3M | $39M | 0.50% | ADD 16% |
| 45 | PGGM Investments | 1,253,8571.3M | $38M | 0.48% | TRIM -9% |
| 46 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1,148,2691.1M | $35M | 0.44% | — |
| 47 | Capital Research Global Investors | 1,102,4501.1M | $33M | 0.42% | TRIM -38% |
| 48 | JANUS HENDERSON GROUP PLC | 1,029,8531.0M | $31M | 0.39% | TRIM -47% |
| 49 | L1 Capital International Pty Ltd | 956,166956,166 | $29M | 0.37% | NEW |
| 50 | Nuveen, LLC | 936,404936,404 | $28M | 0.36% | TRIM -23% |
| 51 | Legal & General Group Plc | 913,770913,770 | $28M | 0.35% | ADD 138% |
| 52 | VALUE HOLDINGS MANAGEMENT CO. LLC | 907,325907,325 | $27M | 0.35% | — |
| 53 | JPMORGAN CHASE & CO | 914,908914,908 | $27M | 0.35% | TRIM -7% |
| 54 | MANAGED ASSET PORTFOLIOS, LLC | 886,859886,859 | $27M | 0.34% | ADD 5% |
| 55 | WELLS FARGO & COMPANY/MN | 880,796880,796 | $27M | 0.34% | TRIM -5% |
| 56 | NOMURA ASSET MANAGEMENT CO LTD | 880,377880,377 | $27M | 0.34% | TRIM -11% |
| 57 | SCHRODER INVESTMENT MANAGEMENT GROUP | 864,789864,789 | $26M | 0.33% | ADD 35% |
| 58 | ROYAL BANK OF CANADA | 844,444844,444 | $25M | 0.32% | — |
| 59 | Premier Fund Managers Ltd | 805,589805,589 | $24M | 0.31% | TRIM -29% |
| 60 | MARSHALL WACE, LLP | 719,618719,618 | $22M | 0.28% | ADD 657% |
| 61 | RHUMBLINE ADVISERS | 713,767713,767 | $21M | 0.27% | ADD 2% |
| 62 | Robeco Institutional Asset Management B.V. | 707,129707,129 | $21M | 0.27% | TRIM -4% |
| 63 | BNP PARIBAS FINANCIAL MARKETS | 695,204695,204 | $21M | 0.27% | TRIM -31% |
| 64 | UBS Group AG | 646,671646,671 | $19M | 0.25% | TRIM -3% |
| 65 | Rockefeller Capital Management L.P. | 626,533626,533 | $19M | 0.24% | ADD 13% |
| 66 | TRILLIUM ASSET MANAGEMENT, LLC | 600,385600,385 | $19M | 0.23% | ADD 53% |
| 67 | Fisher Asset Management, LLC | 612,602612,602 | $18M | 0.23% | — |
| 68 | MIROVA | 611,722611,722 | $18M | 0.23% | ADD 127% |
| 69 | Zurcher Kantonalbank (Zurich Cantonalbank) | 602,668602,668 | $18M | 0.23% | ADD 15% |
| 70 | BANK OF NOVA SCOTIA | 589,454589,454 | $18M | 0.23% | TRIM -35% |
| 71 | PRICE T ROWE ASSOCIATES INC /MD/ | 584,462584,462 | $18M | 0.22% | ADD 41% |
| 72 | PRINCIPAL FINANCIAL GROUP INC | 583,252583,252 | $18M | 0.22% | ADD 4% |
| 73 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 543,466543,466 | $16M | 0.21% | TRIM -47% |
| 74 | Point72 Asset Management, L.P. | 542,267542,267 | $16M | 0.21% | NEW |
| 75 | California Public Employees Retirement System | 498,245498,245 | $15M | 0.19% | TRIM -4% |
| 76 | Swiss National Bank | 491,000491,000 | $15M | 0.19% | — |
| 77 | Retirement Systems of Alabama | 479,604479,604 | $14M | 0.18% | — |
| 78 | CI INVESTMENTS INC. | 461,855461,855 | $14M | 0.18% | — |
| 79 | RENAISSANCE TECHNOLOGIES LLC | 453,600453,600 | $14M | 0.17% | TRIM -11% |
| 80 | one8zero8, LLC | 451,472451,472 | $14M | 0.17% | — |
| 81 | BARCLAYS PLC | 443,997443,997 | $13M | 0.17% | ADD 9% |
| 82 | Sarasin & Partners LLP | 436,170436,170 | $13M | 0.17% | ADD 6% |
| 83 | SG Americas Securities, LLC | 435,175435,175 | $13M | 0.17% | ADD 65% |
| 84 | Balyasny Asset Management L.P. | 434,471434,471 | $13M | 0.17% | NEW |
| 85 | WINSLOW ASSET MANAGEMENT INC | 432,538432,538 | $13M | 0.17% | TRIM -2% |
| 86 | HSBC HOLDINGS PLC | 430,972430,972 | $13M | 0.17% | TRIM -63% |
| 87 | ENVESTNET ASSET MANAGEMENT INC | 420,272420,272 | $13M | 0.16% | TRIM -26% |
| 88 | Handelsbanken Fonder AB | 418,775418,775 | $13M | 0.16% | TRIM -19% |
| 89 | Squarepoint Ops LLC | 417,343417,343 | $13M | 0.16% | ADD 506% |
| 90 | Ninety One North America, Inc. | 413,149413,149 | $12M | 0.16% | — |
| 91 | NICOLA WEALTH MANAGEMENT LTD. | 411,000411,000 | $12M | 0.16% | ADD 13% |
| 92 | iA Global Asset Management Inc. | 389,511389,511 | $12M | 0.15% | TRIM -46% |
| 93 | Tidal Investments LLC | 384,286384,286 | $12M | 0.15% | ADD 19% |
| 94 | SEB Asset Management AB | 374,020374,020 | $11M | 0.14% | NEW |
| 95 | Perpetual Ltd | 372,005372,005 | $11M | 0.14% | ADD 15% |
| 96 | Copeland Capital Management, LLC | 365,884365,884 | $11M | 0.14% | TRIM -78% |
| 97 | Osprey Private Wealth LLC | 363,415363,415 | $11M | 0.14% | ADD 6% |
| 98 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 355,820355,820 | $11M | 0.14% | TRIM -10% |
| 99 | Connor, Clark & Lunn Investment Management Ltd. | 349,077349,077 | $11M | 0.13% | TRIM -40% |
| 100 | VAN ECK ASSOCIATES CORP | 346,973346,973 | $10M | 0.13% | ADD 5% |
† NEW this big is usually a rename.
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC | +12,643,094 | $381M | OPEN |
| VANGUARD CAPITAL MANAGEMENT LLC | +11,709,151 | $353M | OPEN |
| WELLINGTON MANAGEMENT GROUP LLP | +3,748,775 | $113M | ADD |
| FULLER & THALER ASSET MANAGEMENT, INC. | +3,314,443 | $100M | OPEN |
| Capital International Investors | +2,368,690 | $71M | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −25,800,544 | $777M | CLOSE |
| NORGES BANK | −3,433,575 | $103M | CLOSE |
| Corient Private Wealth LLC | −1,747,491 | $53M | TRIM |
| Pictet Asset Management Holding SA | −1,559,554 | $47M | TRIM |
| AQR CAPITAL MANAGEMENT LLC | −1,360,910 | $41M | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 26.0M | 26.4M | 25.7M | 25.5M | 25.7M | 26.8M | $807M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | — | — | — | — | — | 12.6M | $381M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 11.7M | $353M |
| Capital International Investors | 1.1M | 2.0M | 2.0M | 7.1M | 9.0M | 11.4M | $343M |
| Pictet Asset Management Holding SA | 14.0M | 14.5M | 13.8M | 14.2M | 11.2M | 9.6M | $290M |
| STATE STREET CORP | 9.3M | 10.7M | 11.9M | 11.3M | 9.4M | 9.6M | $290M |
| NEUBERGER BERMAN GROUP LLC | 8.7M | 8.9M | 8.9M | 9.0M | 8.4M | 7.3M | $219M |
| SANDS CAPITAL MANAGEMENT, LLC | 4.3M | 4.1M | 5.2M | 7.2M | 7.0M | 6.7M | $201M |
| GEODE CAPITAL MANAGEMENT, LLC | 4.7M | 5.0M | 5.0M | 5.0M | 5.1M | 5.2M | $157M |
| FIL Ltd | 4.8M | 4.5M | 4.7M | 4.3M | 4.7M | 4.8M | $146M |
| WELLINGTON MANAGEMENT GROUP LLP | 1.2M | 1.5M | 1.4M | 1.1M | 1.1M | 4.8M | $145M |
| Amundi | 4.9M | 6.7M | 6.8M | 5.8M | 5.1M | 4.7M | $143M |
| Van Berkom & Associates Inc. | — | 1.1M | 2.1M | 2.1M | 2.3M | 4.6M | $138M |
| Impax Asset Management Group plc | 24K | 25K | — | — | 3.2M | 3.8M | $115M |
| DIMENSIONAL FUND ADVISORS LP | 2.0M | 3.1M | 3.5M | 3.6M | 3.7M | 3.8M | $114M |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
“The Reporting Person acquired shares of Tetra Tech Inc. as part of its investment strategy, considering the clarity and robustness of the issuer's long-term strategy; the functioning and calibre of governance structures and effective leadership; the financial strength and performance of issuers and the fair valuation of underlying securities; and financially-material sustainability risks & opportunities. The Reporting Person is therefore actively engaging with the Issuer to discuss and promote i”
SEC Schedule 13D/G XML · group aggregate.