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DaveManuel.com · Institutional Ownership · 13F Holdings

WOODSTOCK CORP

Reported holdings as of Q3 2026, from 32 quarterly filings.

CIK
1008877
Reported value
$1.2B
Positions
160
Top 10 weight
40.2%
Filed
2026-10-13
Days after quarter end
13

Holdings

Download these holdings as CSV

SecurityTickerValue SharesWeightWeight change Held Change
NVIDIA CORPORATIONNVDA$106.4M466,0318.55%+0.20pp32q-7.3%-$8.4M
MICROSOFT CORPMSFT$82.0M159,9636.59%+1.65pp32qHELD
APPLE INCAAPL$55.0M165,1264.42%+0.43pp32qHELD
ALPHABET INCGOOG$48.9M143,6033.93%-0.32pp32q-0.8%-$394.2K
O'REILLY AUTOMOTIVE INCORLY$47.2M552,2223.79%-0.45pp32qHELD
FORTINET INCFTNT$39.9M223,1383.20%+0.25pp32q-3.8%-$1.6M
ALPHABET INCGOOGL$36.3M105,4632.91%-0.22pp32qHELD
INTUITIVE SURGICAL INCISRG$34.4M84,6432.76%+0.09pp32q+4.3%+$1.4M
RTX CORPORATIONRTX$26.6M143,0842.13%-0.13pp26qHELD
ABBVIE INCABBV$24.2M92,5431.94%+0.01pp32qHELD
JPMORGAN CHASE & COJPM$23.1M69,7661.85%-0.02pp32q+1.3%+$298.1K
COSTCO WHOLESALE CORPORATIONCOST$21.6M23,7111.73%+0.04pp32q+8.6%+$1.7M
JOHNSON & JOHNSONJNJ$20.9M79,0631.68%flat32q-0.8%-$158.8K
EXXONMOBIL HOLDINGS CORPXOM$18.8M115,4591.51%-newNEW
CISCO SYS INCCSCO$18.5M171,6791.48%-0.20pp32q-0.8%-$146.4K
MERCK & CO INCMRK$18.2M124,9401.46%+0.14pp32q+1.0%+$176.0K
HOME DEPOT INCHD$17.4M61,3311.40%-0.38pp32q+0.6%+$96.2K
ISHARES TRIWR$16.5M154,3301.32%-0.11pp24q-1.2%-$197.9K
STATE STR CORPSTT$16.2M92,6461.30%-0.02pp32q-1.2%-$203.6K
ELI LILLY & COLLY$15.9M13,7631.28%+0.09pp32q+15.5%+$2.1M
APPLIED MATLS INCAMAT$15.9M31,0111.27%-0.61pp24q-1.3%-$203.0K
REGENERON PHARMACEUTICALSREGN$15.7M20,6841.26%+0.20pp23q+0.8%+$125.9K
EMERSON ELEC COEMR$15.1M97,6421.22%+0.07pp32q+1.2%+$176.8K
AUTOMATIC DATA PROCESSING INADP$14.6M56,7391.18%+0.13pp32q+1.2%+$176.5K
ORACLE CORPORCL$14.6M106,3021.17%-0.13pp32q-0.9%-$126.5K
APA CORPORATIONAPA$14.5M349,6251.17%+0.22pp23qHELD
WALMART INCWMT$14.5M139,4321.16%-0.15pp32qHELD
ABBOTT LABORATORIESABT$14.2M144,0241.14%+0.06pp32qHELD
VISA INCV$14.1M39,3641.14%+0.02pp32qHELD
SHELL PLCSHEL$13.9M146,3101.12%+0.17pp19qHELD
ZSCALER INCZS$13.5M67,6291.08%+0.28pp9q-1.5%-$210.6K
ECOLAB INCECL$13.0M47,5221.05%-0.05pp32qHELD
AMAZON COM INCAMZN$12.7M50,8791.02%+0.01pp32qHELD
IDEXX LABS INCIDXX$12.3M23,4820.98%-0.05pp32qHELD
ILLINOIS TOOL WKS INCITW$12.2M47,6030.98%-0.08pp32qHELD
BERKSHIRE HATHAWAY INC DELBRKB$11.0M22,1030.88%-0.03pp32q+0.5%+$55.8K
PEPSICO INCPEP$10.9M86,1070.88%-0.08pp32q+0.8%+$86.2K
CHEVRON CORPORATIONCVX$10.7M52,1730.86%+0.13pp32qHELD
MEDTRONIC PLCMDT$10.5M121,2810.84%+0.05pp32qHELD
PROCTER & GAMBLE COPG$10.4M71,8680.84%-0.04pp32qHELD
NEXTERA ENERGY INCNEE$10.4M136,9360.83%-0.17pp32qHELD
ANALOG DEVICES INCADI$9.8M24,8280.79%-0.03pp32q-0.6%-$55.5K
FEDEX CORPFDX$9.7M33,9660.78%-0.11pp32qHELD
NETFLIX INC.NFLX$9.6M137,8670.77%+0.21pp3q+45.3%+$3.0M
THERMO FISHER SCIENTIFIC INCTMO$9.6M14,1950.77%+0.17pp32q-1.6%-$151.9K
AIR PRODUCTS AND CHEMICALS IAPD$9.5M33,9820.76%-0.07pp32qHELD
CHUBB LIMITEDCB$8.9M27,3400.71%-0.04pp32q+3.0%+$256.9K
BANK OF AMER CORPBAC$8.5M155,6320.68%-0.07pp32q-1.4%-$120.3K
DISNEY WALT CODIS$8.1M77,3230.65%+0.04pp32q+1.6%+$126.1K
3M COMMM$7.4M45,2860.60%flat32q+1.3%+$91.9K
QUALCOMM INCQCOM$7.3M39,8830.59%-0.03pp32q-1.2%-$90.2K
IRON MTN INC DELIRM$7.2M65,0580.58%-0.10pp32qHELD
VANGUARD INTL EQUITY INDEX FVWO$7.1M119,2170.57%-0.02pp32qHELD
STATE STR SPDR S&P 500 ETF TSPY$6.6M8,7070.53%-0.03pp32q-3.9%-$269.2K
SYSCO CORPSYY$6.6M84,3000.53%-0.05pp32q+0.8%+$51.8K
HERSHEY COHSY$6.5M41,3170.52%+0.11pp32q+45.3%+$2.0M
FISERV INCFISV$6.0M131,7390.48%+0.03pp32q+20.3%+$1.0M
DEXCOM INCDXCM$5.8M66,7640.46%+0.09pp14q+0.6%+$34.1K
ROPER TECHNOLOGIES INCROP$5.7M16,3650.46%+0.07pp32q+16.6%+$814.8K
LIGAND PHARMACEUTICALS INCLGND$5.7M18,2450.46%-0.02pp32q-0.5%-$31.2K
SOUTHERN COSO$5.6M67,3260.45%-0.07pp32q+2.5%+$134.4K
GENERAC HLDGS INCGNRC$5.4M25,8950.43%-0.19pp18q+2.1%+$111.1K
AMGEN INCAMGN$5.1M12,1960.41%+0.04pp32q-0.9%-$44.3K
FLOWSERVE CORPFLS$4.9M67,1940.39%-0.02pp32q-0.7%-$36.6K
BANK OF NY MELLON CORPBNY$4.2M28,8460.34%-0.01pp32q-0.6%-$25.3K
COCA COLA COKO$4.0M46,9330.32%+0.01pp32qHELD
PNC FINL SVCS GROUP INCPNC$4.0M17,8800.32%-0.05pp32qHELD
EXPAND ENERGY CORPORATIONEXE$3.9M46,7420.32%-0.04pp8qHELD
TRACTOR SUPPLY COTSCO$3.9M124,4150.31%-0.05pp32q-11.1%-$487.5K
SHERWIN WILLIAMS COSHW$3.9M12,0120.31%-0.01pp24q+7.0%+$253.8K
STATE STR SPDR S&P MIDCAP 40MDY$3.7M5,5950.30%-0.05pp32q-5.5%-$212.8K
STRYKER CORPORATIONSYK$3.5M12,8320.28%-0.06pp32q-2.9%-$104.6K
MCDONALDS CORPMCD$3.4M14,9370.28%-0.05pp32q+1.5%+$52.4K
LOWES COS INCLOW$3.3M17,8210.26%-0.06pp32qHELD
UNITED PARCEL SVCS INCUPS$3.1M32,8790.25%-0.05pp32q-0.9%-$29.0K
ISHARES TREFA$3.0M28,5300.24%-0.01pp32qHELD
COMCAST CORP NEWCMCSA$2.7M123,0810.22%-0.04pp32q-2.3%-$63.5K
PFIZER INCPFE$2.6M90,4250.21%+0.03pp32qHELD
GE AEROSPACEGE$2.5M7,9500.20%-0.06pp21q-5.6%-$147.4K
LINCOLN NATL CORP INDLNC$2.5M60,8830.20%+0.02pp32q-1.1%-$27.8K
MARVELL TECHNOLOGY INCMRVL$2.4M9,1940.20%-0.03pp22qHELD
BRISTOL-MYERS SQUIBB COBMY$2.3M36,5520.18%+0.01pp32qHELD
ISHARES TRHDV$2.3M80,9000.18%flat32qHELD
CVS HEALTH CORPCVS$2.3M26,3940.18%-0.05pp32q-2.2%-$51.4K
VERTEX PHARMACEUTICALS INCVRTX$2.1M4,0050.17%flat32qHELD
GENERAL DYNAMICS CORPGD$2.0M6,0110.16%-0.02pp32q-1.0%-$19.9K
ENBRIDGE INCENB$2.0M42,3060.16%-0.04pp32q-1.4%-$27.9K
KIMBERLY CLARK CORPKMB$1.9M19,0530.15%-0.03pp32q-1.8%-$34.1K
GE VERNOVA INCGEV$1.8M1,8830.14%-0.09pp10q-21.6%-$493.3K
OCCIDENTAL PETE CORPOXY$1.8M31,9070.14%+0.04pp5q+31.2%+$419.4K
MARATHON PETE CORPMPC$1.7M4,3230.14%+0.04pp24q-8.2%-$152.2K
ISHARES TRIWM$1.7M5,9550.13%-0.04pp24q-11.8%-$222.3K
AMERICAN EXPRESS COAXP$1.6M5,4250.13%+0.01pp32q+24.5%+$325.1K
COLGATE PALMOLIVE COCL$1.6M18,7270.13%-0.01pp32q+2.2%+$34.6K
CATERPILLAR INCCAT$1.6M1,9500.13%-0.01pp32q+29.1%+$356.7K
VERIZON COMMUNICATIONS INCVZ$1.5M32,7190.12%-0.01pp32q-9.5%-$158.4K
INSPERITY INCNSP$1.3M27,3540.10%+0.01pp22qHELD
SHOPIFY INCSHOP$1.3M8,4750.10%+0.02pp26qHELD
FEDEX FGHT HLDG CO INCFDXF$1.3M11,4670.10%-0.08pp2q-19.0%-$293.7K
VANGUARD TAX-MANAGED FDSVEA$1.2M16,5860.09%-0.01pp32q-3.4%-$40.6K
VARONIS SYS INCVRNS$1.2M24,5260.09%+0.01pp31qHELD
Dominion Energy, Inc.D$1.1M18,8090.09%-0.02pp32q-0.9%-$10.6K
CARRIER GLOBAL CORPORATIONCARR$1.1M19,9090.09%-0.04pp26q-1.3%-$14.0K
AKAMAI TECHNOLOGIES INCAKAM$1.1M9,9200.08%-0.01pp32qHELD
TIC SOLUTIONS INCTIC$1.0M124,8690.08%flat5qHELD
NEUROCRINE BIOSCIENCES INCNBIX$1.0M7,1920.08%-0.02pp32qHELD
SELECT SECTOR SPDR TRXLK$978.8K5,0000.08%flat29qHELD
UBER TECHNOLOGIES INCUBER$859.9K12,5510.07%-0.01pp24qHELD
FREEPORT-MCMORAN INCFCX$854.3K12,2040.07%flat32qHELD
Sun Life Financial, Inc.SLF$752.2K9,6470.06%flat20qHELD
DEVON ENERGY CORP NEWDVN$690.6K15,0000.06%flat8qHELD
OUSTER INCOUST$684.6K16,9700.05%-0.03pp3qHELD
OTIS WORLDWIDE CORPOTIS$531.2K8,2580.04%-0.01pp26q-1.2%-$6.2K
SLB LIMITEDSLB$529.2K10,8620.04%flat32qHELD
S&P GLOBAL INCSPGI$516.4K1,3090.04%flat32q+18.0%+$78.9K
POET TECHNOLOGIES INCPOET$507.9K67,9000.04%-0.02pp4qHELD
BIOMARIN PHARMACEUTICAL INCBMRN$490.6K8,1760.04%flat5qHELD
NOVARTIS AGNVS$485.7K3,4070.04%flat32q+21.4%+$85.5K
AMERICAN FUNDS GROWTH FU ND OF AMER F$479.8K5,4930.04%flat31qHELD
Fidelity Tr 500 Index Ins Prem$473.6K1,7770.04%-0.01pp14q-11.5%-$61.8K
UNION PAC CORPUNP$419.1K1,5400.03%+0.01pp32q+55.6%+$149.7K
EQT CorpEQT$418.0K8,6070.03%flat14qHELD
AUTOZONE INCAZO$404.7K1430.03%-0.01pp24qHELD
CROWDSTRIKE HLDGS INCCRWD$402.4K1,5200.03%+0.01pp2qHELD
VALERO ENERGY CORPVLO$394.6K1,0180.03%flat5q-27.4%-$149.2K
ALIBABA GROUP HLDG LTDBABA$391.7K3,6420.03%flat32qHELD
ISHARES TRIJR$377.3K2,7740.03%flat32qHELD
WW GRAINGER INCGWW$373.7K3000.03%-newNEW
MASTERCARD INCORPORATEDMA$373.3K6770.03%flat24qHELD
AFLAC INCAFL$357.7K3,2000.03%flat16qHELD
TE CONNECTIVITY PLCTEL$356.7K1,6900.03%flat9qHELD
META PLATFORMS INCMETA$344.5K4750.03%+0.01pp3qHELD
AMPHENOL CORPAPH$343.9K4,0800.03%flat6qHELD
INTEL CORPINTC$322.2K2,6800.03%-newNEW
ALPHA TAU MEDICAL LTDDRTS$307.3K20,6090.02%flat3qHELD
AMERICAN TOWER CORPAMT$307.2K1,8770.02%flat32qHELD
LINDE PLCLIN$305.2K6430.02%flat15qHELD
ALDEYRA THERAPEUTICS INCALDX$298.6K242,7560.02%-0.02pp19qHELD
VANGUARD INDEX FDSVTI$289.1K7720.02%flat32q-12.5%-$41.2K
BOEING COBA$283.9K1,5260.02%-newNEW
Vanguard Tl Int Stock Index$266.7K5,8460.02%flat6qHELD
ARISTA NETWORKS INCANET$264.7K1,3000.02%flat2qHELD
RESMED INCRMD$260.9K1,1800.02%flat29qHELD
TJX COS INC NEWTJX$259.3K1,9600.02%flat13qHELD
Vanguard Total Stock Index Adm$258.0K1,4160.02%flat13q-5.7%-$15.7K
INTERNATIONAL BUSINESS MACHSIBM$247.9K1,1270.02%-0.01pp32q-4.2%-$11.0K
ROCHE HLDG LTD SPONSORED ADRRHHBY$245.5K4,7320.02%-newNEW
CUMMINS INCCMI$232.5K4500.02%-newNEW
GE HEALTHCARE TECHNOLOGIES IGEHC$225.4K3,4480.02%flat15q-8.1%-$19.7K
EYEPOINT PHARMACEUTICALS INCEYPT$223.9K68,4650.02%-0.06pp12qHELD
DANAHER CORP DELDHR$214.5K9680.02%-newNEW
TESLA INCTSLA$212.9K6000.02%flat5qHELD
SELECT SECTOR SPDR TRXLF$204.8K3,8360.02%flat2qHELD
MCCORMICK & CO INCMKC$200.4K4,3200.02%flat32q+1.2%+$2.3K
COMSTOCK RES INCCRK$176.7K14,3430.01%flat12qHELD
OMNIAB INCOABI$129.8K26,1610.01%flat16q-10.9%-$15.9K
BICYCLE THERAPEUTICS PLC SPONSORED ADSBCYC$107.3K29,1460.01%flat21qHELD
ELME COMMUNITIES SH BEN INTELME$35.5K20,3800.00%flat16qHELD
Natbridge Resources LtdNATBF$7.1K30,0000.00%flat3qHELD
JASON INDS INC COMJASN$19210,6680.00%flat16qHELD

By sector

Industry comes from the SIC code on each company's own SEC filings, which is self-reported and sometimes out of date. Derivative exposure is counted with the shares. Securities the SEC assigns no industry - funds, trusts, foreign issues - are shown as not classified rather than dropped.

Software & IT Services 17.1%Semiconductors & Electronics 13.5%Biotech & Pharma 11.4%Retail & Consumer 10.3%Computer Hardware 9.1%Energy 5.4%Medical Devices 5.0%Banks & Lending 4.6%Chemicals 2.8%Autos & Aerospace 2.3%Business Services 2.1%Insurance 1.9%Other sectors 11.5%Not classified 2.8%
 
SectorValueShare
Software & IT Services$213.2M17.1%
Semiconductors & Electronics$168.4M13.5%
Biotech & Pharma$141.9M11.4%
Retail & Consumer$128.5M10.3%
Computer Hardware$113.9M9.1%
Energy$67.5M5.4%
Medical Devices$62.4M5.0%
Banks & Lending$57.5M4.6%
Chemicals$34.8M2.8%
Autos & Aerospace$29.1M2.3%
Business Services$25.6M2.1%
Insurance$23.5M1.9%
Other sectors$143.4M11.5%
Not classified$35.2M2.8%

What the disclosed book did

This is not the fund's return. A 13F shows long US equity positions only, so shorts, bonds, foreign listings, private holdings and cash are all invisible here. What this measures is the quarter's change in value of the positions this manager disclosed, had they been left untouched - the return a reader following the filing would have earned.

QuarterBookMarket DifferencePriced
Q3 2026+3.5%+2.1%+1.3%100%
Q2 2026+8.1%+14.8%-6.7%100%
Q1 2026-3.2%-4.6%+1.4%100%
Q4 2025+1.2%+2.4%-1.1%100%
Q3 2025+7.4%+7.8%-0.4%100%
Q2 2025+8.5%+10.5%-1.9%100%
Q1 2025-2.0%-4.6%+2.5%100%
Q4 2024+0.5%+2.1%-1.6%100%

Market is SPY over the same two quarter ends, priced the same way as everything else here - the median across every filer reporting it. It is a large-cap US proxy, so a manager holding small caps or biotech will beat or trail it for reasons that are not skill. Prices are quarter-end to quarter-end and say nothing about the path in between, or about trades opened and closed inside a quarter.

Quarter by quarter

QuarterValuePositions NewAddedTrimmed ExitedTop 10 Days to file
Q3 2026$1.2B160732461040.2%13
Q2 2026$1.2B163102766338.7%13
Q1 2026$1.1B15652959538.5%8
Q4 2025$1.2B15622226341.6%14
Q3 2025$1.2B15752144441.6%7
Q2 2025$1.1B15662280340.6%9
Q1 2025$1.0B15303774338.3%9
Q4 2024$1.0B156230541140.8%15
Q3 2024$1.0B16554058538.5%11
Q2 2024$983.4M16523361240.2%8
Q1 2024$966.0M16522951337.7%9
Q4 2023$863.6M16653555736.0%8
Q3 2023$797.5M16852350735.2%10
Q2 2023$847.5M17063061435.8%7
Q1 2023$784.1M16853147633.0%6
Q4 2022$752.4M169113163430.4%10
Q3 2022$672.2M16214066431.2%11
Q2 2022$720.5M165130451430.8%11
Q1 2022$854.0M1784211271132.6%7
Q4 2021$955.0M18553944834.5%7
Q3 2021$857.5M188528521032.9%5
Q2 2021$849.9M1931144361132.0%6
Q1 2021$786.6M193761471430.0%5
Q4 2020$747.1M200498221731.2%6
Q3 2020$619.2M15822277334.0%2
Q2 2020$586.6M15983436432.7%7
Q1 2020$490.8M15533052231.4%3
Q4 2019$614.0M15422741829.7%13
Q3 2019$574.0M16061537529.2%2
Q2 2019$572.8M15902046328.1%3
Q1 2019$558.2M16262863427.9%5
Q4 2018$498.3M160000028.0%8

Rows marked UNVERIFIED ID, PLACEHOLDER ID, TICKER AS ID or NON-CUSIP ID carry an identifier that is not a valid CUSIP. They are shown because the filer reported that money, but treat the security named with caution - hover the chip for what is wrong with it, and see the methodology.

Held counts consecutive filings in which this manager reported the position, and can reach further back than the quarters listed above: the tabs begin at Q4 2018 because earlier coverage is too sparse to describe a market, but tenure is counted over every filing we hold, some reaching to 2007. A position sold and later rebought starts again from one.

Weight change is the shift in this position's share of the whole book, in percentage points. It is the more useful column: when money flows into or out of a broad fund, almost every holding is bought or sold at once, so added and trimmed largely track flows. A weight that rose while the book shrank is a decision. Both compare with the previous quarter this filer reported, not the previous calendar quarter.