TIRSCHWELL & LOEWY INC

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CIK 884535

13F portfolio (2019-Q1)

$731M

Positions

Implied 1Y CAGR

modeled · as filed

Long positions in SEC Section 13(f) securities (US-listed stocks, ADRs and ETFs), largest first · Δ vs 2018-Q4. A lagged quarterly snapshot (filed ≤45 days after quarter-end); excludes shorts, options, cash, and shares listed only on non-US exchanges — foreign companies held via a US listing or ADR (e.g. Alibaba, TSMC) ARE included.

Implied return what this book implies · modeled, not advice methodology →

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As filed = each book applied at its quarter-end (what the reported book did) · As copyable = applied at its statutory 45-day filing deadline (what a 13F follower could have earned).

Computing…

Hypothetical modeled performance constructed with hindsight — not actual results, and not indicative of future results. See the Disclaimer.

Exposures · what this manager owns, by sector & size (2019-Q1)

Holdings

Top 5

24.2%

Top 10

44.4%

Effective N

30.7

HHI

0.033

This quarter

1 new · 0 exit →

By sector

Health Care32.5%

Unclassified21.4%

Information Technology17.3%

Consumer Discretionary9.3%

Financials7.8%

Industrials6.3%

Consumer Staples3.9%

Communication Services0.8%

Other0.6%

By market cap

Large ($10–200B)51.3%

Unknown24.2%

Mega (>$200B)12.2%

Mid ($2–10B)10.4%

Micro (<$300M)2.1%

By region

North America78.6%

Other21.4%

By industry group GICS — finer than sector

Industry group	Weight	Names
Unclassified	25.11%	14
Pharmaceuticals & Biotechnology	18.66%	9
Technology Hardware & Equipment	10.88%	6
Health Care Equipment & Supplies	10.52%	3
Commercial Services & Supplies	6.90%	2
Semiconductors & Semiconductor Equipment	4.68%	1
Specialty Retail	3.85%	3
Aerospace & Defense	3.52%	2
Life Sciences Tools & Services	3.34%	2
Hotels, Restaurants & Leisure	3.30%	2
Distributors	2.11%	3
Software	1.63%	1
Machinery	1.60%	2
Road & Rail	0.88%	2
Banks	0.87%	2
Entertainment	0.44%	1
Diversified Telecommunication Services	0.37%	2
Oil, Gas & Consumable Fuels	0.33%	2
Chemicals	0.30%	2
Professional Services	0.30%	1
Beverages	0.22%	1
Electrical Equipment & Components	0.07%	1
Software & IT Services	0.07%	1
Insurance	0.05%	1

Top holdings

#	Ticker	Name	Sector	Weight
1	MA	Mastercard Inc	Financials	5.14%
2	CGNX	COGNEX CORP	Information Technology	5.06%
3		TIFFANY & CO NEW	Unclassified	4.73%
4	ADI	ANALOG DEVICES INC	Information Technology	4.68%
5	DXCM	DEXCOM INC	Health Care	4.60%
6	DHR	DANAHER CORP /DE/	Information Technology	4.50%
7	IDXX	IDEXX LABORATORIES INC /DE	Health Care	4.35%
8	PODD	INSULET CORP	Health Care	3.86%
9		Xilinx Inc.	Unclassified	3.76%
10	JNJ	JOHNSON & JOHNSON	Health Care	3.67%

53/66 names classified · sector 78.6% of weight · industry 74.9% · mkt cap 75.8%; unclassified names shown, never dropped.

Sector allocation over time · how the GICS mix & top names shifted quarter by quarter

top 5/sector, rest → “Other” · 24 quarters

Health CareBIIB, NEOG, IDXX, DXCM, INGN · other

Information TechnologyCGNX, ADI, DHR, TRMB, GE · other

Consumer DiscretionaryHSIC, GWW, ROST, WSM, SBUX · other

Consumer StaplesBF.B, KOF, GIS, KO, HSY · other

IndustrialsHON, ITW, UPS, PAYX, BA · other

EnergySLB, OXY, XOM, COP

FinancialsMA, STT, WFC, PYPL, AXP · other

MaterialsKMB, CL, PG, IP

Communication ServicesTV, VZ, DIS, T, META · other

Utilities

UnclassifiedTIFFANY & CO NEW, RAYTHEON CO, SSYS, ABIOMED INC, Xilinx Inc. · other

Sector is classified on each name's CURRENT fundamentals, not point-in-time — apparent sector drift can reflect the market re-rating a holding, not a manager trade. 13F is a lagged quarterly snapshot of long positions in US-listed securities only — foreign companies held via a US listing or ADR ARE included, but shares listed only on non-US exchanges (plus shorts, options and cash) are not. Latest quarter: 78.6% of the book is sector-classified (unclassified names shown, never dropped).

Style box · size × value-growth placement of the reported book (2019-Q1), classified on current fundamentals (not point-in-time) — load it into PORT to overlay your own portfolio

holdings, colored by sector (50 classified)TIRSCHWELL & LOEWY INC centroid (Mid Core)

Health CareInformation TechnologyConsumer DiscretionaryFinancialsIndustrialsConsumer StaplesCommunication ServicesEnergyMaterials

Style box summary for TIRSCHWELL & LOEWY INC: centroid Mid Core. Heaviest cells: Large Core 17.4%, Large Growth 9.7%, Large Value 9.4%.

Classified: 70.4% of book weight (50/56 names) · unclassified 29.6%: , NEOG, NVO, CJPXX, INGN, BRK.A. Size: cap 70/20/10 bands; style: value/growth composite on our own metrics — not Morningstar's model.

Contribution holdings-based, any period

No contribution data for this period.

Holdings· 66 positions (2019-Q1) · largest first · Δ vs 2018-Q4

#	Security	Shares	Value	Weight	Δ QoQ
1	MAMASTERCARD INCORPORATED	159,700	$38M	5.1%	HOLD
2	CGNXCOGNEX CORP	727,350	$37M	5.1%	HOLD
3	TIFFANY & CO NEW	327,555	$35M	4.7%	HOLD
4	ADIANALOG DEVICES INC	324,896	$34M	4.7%	HOLD
5	DXCMDEXCOM	282,539	$34M	4.6%	HOLD
6	DHRDANAHER CORP DEL	249,026	$33M	4.5%	HOLD
7	IDXXIDEXX LABS INC	142,280	$32M	4.4%	HOLD
8	PODDINSULET CORP	296,745	$28M	3.9%	HOLD
9	Xilinx Inc.	216,650	$27M	3.8%	HOLD
10	JNJJOHNSON & JOHNSON	192,085	$27M	3.7%	HOLD
11	BF.BBROWN FORMAN CORP	507,221	$27M	3.7%	HOLD
12	NEOGNEOGEN CORP	436,426	$25M	3.4%	HOLD
13	HONHONEYWELL INTL INC	154,434	$25M	3.4%	HOLD
14	RAYTHEON CO	134,567	$25M	3.4%	HOLD
15	SBUXSTARBUCKS CORP	305,056	$23M	3.1%	HOLD
16	ABIOMED INC	73,941	$21M	2.9%	HOLD
17	ROSTROSS STORES INC	214,511	$20M	2.7%	HOLD
18	NVONOVO-NORDISK A S	377,450	$20M	2.7%	HOLD
19	3M COMPANY	91,842	$19M	2.6%	HOLD
20	MTDMETTLER TOLEDO INTERNATIONAL	23,665	$17M	2.3%	HOLD
21	CJPXXJPMorgan Chase & Co.	156,042	$16M	2.2%	HOLD
22	INGNINOGEN INC	157,640	$15M	2.1%	HOLD
23	BIIBBIOGEN INC	63,141	$15M	2.0%	TRIM −3%
24	AMGNAMGEN INC	73,850	$14M	1.9%	HOLD
25	HSICHENRY SCHEIN INC	265,730	$14M	1.9%	ADD 36%
26	PYPLPAYPAL HLDGS INC	123,245	$13M	1.8%	ADD 3%
27	CRMSALESFORCE INC	75,200	$12M	1.6%	HOLD
28	ITWILLINOIS TOOL WKS INC	78,001	$11M	1.5%	HOLD
29	ILMNILLUMINA INC	23,530	$7M	1.0%	ADD 95%
30	UPSUNITED PARCEL SERVICE INC	54,525	$6M	0.8%	HOLD
31	STTSTATE STR CORP	92,156	$6M	0.8%	TRIM −2%
32	WSMWILLIAMS SONOMA INC	99,950	$6M	0.8%	HOLD
33	TRMBTRIMBLE INC	127,180	$5M	0.7%	HOLD
34	Dow Dupont	87,500	$5M	0.6%	TRIM −6%
35	MRKMERCK & CO INC	38,791	$3M	0.4%	HOLD
36	DISDISNEY WALT CO	28,832	$3M	0.4%	ADD 4%
37	ROKRockwell Automation Inc.	16,410	$3M	0.4%	HOLD
38	United Technologies Corp	22,157	$3M	0.4%	HOLD
39	HDHOME DEPOT INC	13,300	$3M	0.3%	HOLD
40	VZVERIZON COMMUNICATIONS INC	42,638	$3M	0.3%	HOLD
41	PAYXPAYCHEX INC	27,213	$2M	0.3%	HOLD
42	BRK.ABERKSHIRE HATHAWAY INC DEL	6	$2M	0.2%	HOLD
43	CLCOLGATE PALMOLIVE CO	26,050	$2M	0.2%	TRIM −2%
44	XOMEXXON MOBIL CORP	21,423	$2M	0.2%	HOLD
45	UNILEVER PLC	29,500	$2M	0.2%	HOLD
46	PEPPEPSICO INC	13,202	$2M	0.2%	HOLD
47	MCDMCDONALDS CORP	7,700	$1M	0.2%	HOLD
48	SYYSYSCO CORP	19,655	$1M	0.2%	HOLD
49	Berkshire Hathaway Cl B	6,262	$1M	0.2%	HOLD
50	BANK NEW YORK CO INC	23,579	$1M	0.2%	TRIM −3%
51	BABOEING CO	3,009	$1M	0.2%	HOLD
52	IBMINTERNATIONAL BUSINESS MACHS	7,956	$1M	0.2%	HOLD
53	ZYNGA INC	139,878	$746,000	0.1%	HOLD
54	SLBSCHLUMBERGER LTD	16,028	$698,000	0.1%	HOLD
55	EMREMERSON ELEC CO	7,652	$524,000	0.1%	TRIM −5%
56	BMYBRISTOL-MYERS SQUIBB CO	10,900	$520,000	0.1%	HOLD
57	CATCATERPILLAR INC	3,650	$495,000	0.1%	TRIM −5%
58	AAPLAPPLE INC	2,583	$491,000	0.1%	HOLD
59	ADPAUTOMATIC DATA PROCESSING IN	3,000	$479,000	0.1%	HOLD
60	PGPROCTER AND GAMBLE CO	3,832	$399,000	0.1%	HOLD
61	NSCNORFOLK SOUTHN CORP	2,000	$374,000	0.1%	HOLD
62	TRVTRAVELERS COMPANIES INC	2,417	$332,000	0.0%	HOLD
63	AXPAMERICAN EXPRESS CO	2,800	$306,000	0.0%	HOLD
64	GWWWW GRAINGER INC	835	$251,000	0.0%	HOLD
65	TAT&T INC	6,871	$215,000	0.0%	NEW
66	PFEPFIZER INC	4,998	$212,000	0.0%	HOLD

☆TIRSCHWELL & LOEWY INC