Woodstock Corp.

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 7, 2025), Woodstock Corp. reported 157 stock positions worth $1.2 billion. Its top holding was Nvidia (NVDA) at 9.6% of the portfolio, followed by Microsoft (MSFT, 7.1%) and O'reilly Automotive (ORLY, 5.2%). Compared with Q2 2025, it opened 4 new positions, sold out of 3, added to 30 and reduced 75. The biggest buy was Alphabet Class A (GOOGL, shares +0%) and the biggest sale Intuitive Surgical (ISRG, shares −2%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001008877
Portfolio Value
$1.2B (Q3 2025)
SEC Filing
0001062993-25-015968 ↗ filed Oct 7, 2025

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $966.0M Q1 2024 Q2 2024: $983.4M Q2 2024 Q3 2024: $1.0B Q3 2024 Q4 2024: $1.0B Q4 2024 Q1 2025: $1.0B Q1 2025 Q2 2025: $1.1B Q2 2025 Q3 2025: $1.2B $1.2B Q3 2025 Q4 2025: $1.2B Q4 2025 Q1 2026: $1.1B Q1 2026 Q2 2026: $1.2B Q2 2026

Holdings 157 stocks · $1.2B
NVDA Nvidia Corp. 9.56% 591,364 $110.3M Reduce -8.1%
MSFT Microsoft Corp. 7.12% 158,567 $82.1M Reduce -0.9%
ORLY O'reilly Automotive Inc. 5.22% 559,037 $60.3M Reduce -4.5%
AAPL Apple Inc. 3.74% 169,409 $43.1M Reduce -0.3%
GOOG Alphabet Inc. Class C 3.41% 161,557 $39.3M Reduce -0.2%
ISRG Intuitive Surgical Inc. 3.20% 82,619 $36.9M Reduce -2.0%
ORCL Oracle Corp. 2.68% 109,921 $30.9M Reduce -8.6%
GOOGL Alphabet Inc. Class A 2.39% 113,315 $27.5M Add +0.2%
RTX RTX Corp. 2.16% 149,298 $25.0M Reduce -0.1%
HD Home Depot Inc. 2.11% 60,224 $24.4M Add +0.5%
FTNT Fortinet Inc. 1.88% 258,096 $21.7M Reduce -3.5%
JPM JPMorgan Chase & Co. 1.87% 68,310 $21.5M Reduce -0.9%
ABBV Abbvie Inc. 1.86% 92,680 $21.5M Add +0.7%
COST Costco Wholesale Corp. 1.78% 22,135 $20.5M Reduce -0.7%
ABT Abbott Laboratories 1.57% 135,547 $18.2M Reduce -0.0%
ADP Automatic Data Processing 1.41% 55,588 $16.3M Reduce -0.3%
IWR iShares Russell Mid-Cap ETF 1.37% 163,711 $15.8M Reduce -0.1%
IDXX Idexx Laboratories Inc. 1.34% 24,223 $15.5M Reduce -0.6%
JNJ Johnson & Johnson 1.30% 81,034 $15.0M Reduce -0.4%
ZS Zscaler Inc. 1.30% 50,024 $15.0M Add +1.2%
WMT Walmart Inc. 1.27% 142,270 $14.7M Add +0.1%
XOM Exxon Mobil Corp. 1.17% 119,765 $13.5M Reduce -0.1%
ECL Ecolab Inc. 1.15% 48,489 $13.3M Reduce -0.0%
V Visa Inc. Class A 1.12% 37,760 $12.9M Reduce -0.2%
EMR Emerson Electric Co. 1.09% 95,797 $12.6M Reduce -0.7%
PEP Pepsico Inc. 1.06% 86,942 $12.2M Add +2.6%
CSCO Cisco Systems Inc. 1.04% 175,230 $12.0M Reduce -0.3%
ITW Illinois Tool Works 1.03% 45,522 $11.9M Reduce -0.1%
MDT Medtronic PLC 1.02% 123,173 $11.7M Reduce -1.1%
PG The Procter & Gamble Co. 1.00% 75,057 $11.5M Reduce -0.0%
STT State Street Corp. 0.99% 98,774 $11.5M Reduce -0.1%
NEE Nextera Energy Inc. 0.90% 138,307 $10.4M Reduce -0.2%
SHEL Shell PLC-ADR 0.90% 145,302 $10.4M Add +1.3%
MRK Merck & Co. Inc. 0.90% 123,490 $10.4M Reduce -0.7%
BRK.B Berkshire Hathaway Inc. Class B 0.89% 20,477 $10.3M Reduce -1.1%
APD Air Products & Chemicals Inc. 0.86% 36,492 $10.0M Reduce -5.2%
FISV Fiserv Inc. 0.84% 75,129 $9.7M Add +4.3%
REGN Regeneron Pharmaceuticals 0.81% 16,610 $9.3M Add +107.1%
LLY Eli Lilly & Co. 0.79% 11,972 $9.1M Add +18.0%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.77% 77,817 $8.9M Reduce -0.0%
TSCO Tractor Supply Company 0.72% 145,725 $8.3M No change
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.71% 159,070 $8.2M Add +0.1%
APA Apa Corp. 0.69% 328,830 $8.0M Add +1.2%
FDX FedEx Corp. 0.69% 33,846 $8.0M Add +7.6%
AMZN Amazon.com Inc. 0.69% 36,202 $7.9M Add +7.2%
CB Chubb Ltd. 0.65% 26,680 $7.5M No change
QCOM Qualcomm Inc. 0.64% 44,630 $7.4M Reduce -0.9%
CVX Chevron Corp. 0.64% 47,522 $7.4M Reduce -0.6%
MMM 3M Co. 0.61% 45,446 $7.1M Add +0.1%
TMO Thermo Fisher Scientific Inc. 0.60% 14,225 $6.9M Reduce -0.3%
AMAT Applied Materials Inc. 0.58% 32,740 $6.7M Add +0.3%
VWO Vanguard Ftse Emerging Marke 0.57% 120,447 $6.5M Add +2.4%
SYY Sysco Corp. 0.56% 78,949 $6.5M Add +3.7%
IRM Iron Mountain Inc. filed as IRON MTN INC DEL 0.56% 63,057 $6.4M Add +13.9%
SO The Southern Co. 0.53% 64,470 $6.1M Add +1.2%
ADI Analog Devices Inc. 0.52% 24,490 $6.0M Add +0.2%
SPY SS SPDR S&P 500 ETF Trust-US 0.50% 8,709 $5.8M Add +4.3%
ROP Roper Technologies Inc. 0.48% 11,081 $5.5M Reduce -0.1%
SYK Stryker Corp. 0.46% 14,338 $5.3M Reduce -1.5%
EXE Expand Energy Corp. 0.43% 46,936 $5.0M Reduce -2.1%
GE General Electric filed as GE AEROSPACE 0.40% 15,192 $4.6M Reduce -0.5%
CMCSA Comcast Corp. Class A 0.38% 141,300 $4.4M Reduce -0.7%
MCD McDonald's Corp. 0.38% 14,503 $4.4M Reduce -0.1%
GNRC Generac Holdings Inc. 0.37% 25,294 $4.2M Reduce -0.3%
LOW Lowe's Cos Inc. 0.36% 16,326 $4.1M Add +0.0%
DXCM Dexcom Inc. 0.35% 59,391 $4.0M Reduce -0.2%
HSY The Hershey Co. 0.34% 20,856 $3.9M Add +15.5%
MDY State Street SPDR S&P Midcap 0.32% 6,230 $3.7M Reduce -1.9%
FLS Flowserve Corp. 0.32% 69,244 $3.7M No change
AMGN Amgen Inc. 0.31% 12,725 $3.6M Reduce -1.8%
LGND Ligand Pharmaceuticals 0.31% 20,025 $3.5M Reduce -32.1%
UPS United Parcel Service Class B 0.31% 42,432 $3.5M Reduce -7.8%
PNC PNC Financial Services Group 0.30% 17,310 $3.5M Reduce -0.0%
KO The Coca-Cola Co. 0.28% 49,161 $3.3M Reduce -0.4%
BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP 0.27% 29,045 $3.2M Reduce -1.1%
IWM iShares Russell 2000 ETF 0.25% 11,841 $2.9M Reduce -21.0%
LNC Lincoln National Corp. 0.23% 66,793 $2.7M No change
EFA iShares MSCI Eafe ETF 0.23% 28,680 $2.7M Reduce -0.3%
PFE Pfizer Inc. 0.22% 99,627 $2.5M Reduce -2.3%
GTLS Chart Industries Inc. 0.22% 12,522 $2.5M Add +0.2%
ENB Enbridge Inc. 0.21% 47,081 $2.4M Reduce -0.2%
CVS CVS Health Corp. 0.20% 30,219 $2.3M Reduce -25.8%
VZ Verizon Communications Inc. 0.19% 50,021 $2.2M Reduce -0.2%
SHW The Sherwin-Williams Co. 0.19% 6,277 $2.2M Reduce -0.1%
GD General Dynamics Corp. 0.18% 6,119 $2.1M No change
GEV GE Vernova Inc. 0.18% 3,309 $2.0M Reduce -0.4%
HDV iShares Core High Dividend E 0.17% 16,180 $2.0M No change
BMY Bristol-Myers Squibb Co. 0.15% 38,766 $1.7M Reduce -16.5%
TIC Tic Solutions Inc. filed as ACUREN CORP 0.14% 124,869 $1.7M Reduce -7.3%
VRTX Vertex Pharmaceuticals Inc. 0.14% 4,005 $1.6M No change
AXP American Express Co. 0.13% 4,656 $1.5M Reduce -3.5%
KMB Kimberly-Clark Corp. 0.13% 12,103 $1.5M Reduce -1.7%
CL Colgate-Palmolive Co. 0.13% 18,467 $1.5M Reduce -5.9%
VRNS Varonis Systems Inc. 0.12% 24,526 $1.4M No change
ALDX Aldeyra Therapeutics Inc. 0.12% 266,756 $1.4M No change
CARR Carrier Global Corp. 0.11% 21,211 $1.3M Reduce -0.9%
UBER Uber Technologies Inc. 0.11% 12,899 $1.3M No change
SHOP Shopify Inc. Class A 0.11% 8,475 $1.3M No change
D Dominion Energy Inc. 0.11% 19,824 $1.2M Add +2.2%
IJR iShares Core S&P Small-Cap E 0.10% 9,245 $1.1M Reduce -22.3%
VEA Vanguard Ftse Developed ETF 0.09% 17,235 $1.0M No change
EA Electronic Arts Inc. 0.09% 5,106 $1.0M No change
NBIX Neurocrine Biosciences Inc. 0.09% 7,192 $1.0M No change
MRVL Marvell Technology Inc. 0.08% 11,615 $976K No change
EYPT Eyepoint Inc. 0.08% 68,465 $975K No change
OTIS Otis Worldwide Corp. 0.08% 10,009 $915K Reduce -0.1%
MPC Marathon Petroleum Corp. 0.08% 4,718 $909K Reduce -1.1%
CAT Caterpillar Inc. 0.07% 1,617 $772K Reduce -4.2%
AKAM Akamai Technologies Inc. 0.07% 9,920 $752K No change
XLK SS Technology Select Sector 0.06% 2,500 $705K No change
BABA Alibaba Group Holding-SP ADR 0.06% 3,642 $651K No change
AZO AutoZone Inc. 0.05% 143 $614K No change
SLF Sun Life Financial Inc. 0.05% 9,647 $579K No change
OABI Omniab Inc. 0.05% 351,753 $563K Reduce -43.4%
SPGI S&P Global Inc. 0.05% 1,146 $558K Reduce -3.0%
RARE Ultragenyx Pharmaceutical Inc. 0.05% 18,114 $545K Add +36.3%
GFAFX Amer FND GRW FD of Am-F1 0.04% 5,493 $478K No change
FXAIX Fidelity 500 Index Fund 0.04% 2,048 $477K No change
DVN Devon Energy Corp. 0.04% 13,387 $469K No change
EQT Eqt Corp. 0.04% 8,607 $468K No change
FCX Freeport-McMoran Inc. 0.04% 11,704 $459K No change
INTU Intuit Inc. 0.04% 667 $456K No change
BMRN Biomarin Pharmaceutical Inc. 0.04% 8,176 $443K New
SLB SLB Ltd. filed as SCHLUMBERGER LTD 0.03% 11,567 $398K Add +5.1%
NVS Novartis AG-Sponsored ADR 0.03% 3,077 $395K No change
NSP Insperity Inc. 0.03% 7,924 $390K No change
MA Mastercard Inc. Class A 0.03% 677 $385K Reduce -2.0%
TEL Te Connectivity PLC 0.03% 1,690 $371K No change
AMT American Tower Corp. 0.03% 1,877 $361K No change
T AT&T Inc. 0.03% 12,730 $359K Add +5.0%
AFL Aflac Inc. 0.03% 3,200 $357K No change
VTI VG Morningstar TS MKT ETF-US 0.03% 1,089 $357K No change
ELME Elme Communities 0.03% 20,380 $344K Reduce -0.9%
GEHC GE Healthcare Technology 0.03% 4,553 $342K Reduce -1.0%
ADBE Adobe Inc. 0.03% 948 $334K Reduce -0.6%
OXY Occidental Petroleum Corp. 0.03% 6,858 $324K New
RMD Resmed Inc. 0.03% 1,180 $323K No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.03% 1,127 $318K Reduce -6.2%
MKC McCormick & Co.-Non VTG SHRS 0.03% 4,710 $315K No change
LIN Linde PLC 0.03% 643 $305K No change
CFLT Confluent Inc. Class A 0.03% 15,285 $303K No change
CRK Comstock Resources Inc. 0.02% 14,343 $284K No change
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.02% 1,960 $283K No change
DHR Danaher Corp. 0.02% 1,373 $272K Reduce -5.2%
BP BP PLC-Spons ADR 0.02% 7,851 $271K Reduce -5.1%
TSLA Tesla Inc. 0.02% 585 $260K New
APH Amphenol Corp. Class A 0.02% 2,040 $252K No change
UNP Union Pacific Corp. 0.02% 1,045 $247K No change
VLO Valero Energy Corp. 0.02% 1,437 $245K New
CTSH Cognizant Tech Solutions-A 0.02% 3,641 $244K No change
VTSAX VNGD Mrngst TS MK Idx FD-Adm filed as VANGUARD TOTAL STOCK MKT IDX ADM 0.02% 1,502 $240K No change
HON Honeywell International Inc. 0.02% 1,098 $231K No change
VTIAX Vanguard TTL Int St Idx-Adm 0.02% 5,833 $230K Add +0.1%
WSO Watsco Inc. 0.02% 517 $209K No change
XLF SS Financial Select Sector 0.02% 3,843 $207K No change
BCYC Bicycle Therapeutics PLC-ADR 0.02% 23,927 $185K No change
JASNQ Jason Industries Inc. 0.00% 10,668 $192 No change

Portfolio Sells Q2 2025 → Q3 2025
ISRG Intuitive Surgical Inc. Reduce -2.0% 3.20% −1.01
FTNT Fortinet Inc. Reduce -3.5% 1.88% −0.72
COST Costco Wholesale Corp. Reduce -0.7% 1.78% −0.25
MSFT Microsoft Corp. Reduce -0.9% 7.12% −0.20
ADP Automatic Data Processing Reduce -0.3% 1.41% −0.17
APD Air Products & Chemicals Inc. Reduce -5.2% 0.86% −0.14
DXCM Dexcom Inc. Reduce -0.2% 0.35% −0.13
ABT Abbott Laboratories Reduce -0.0% 1.57% −0.12
UPS United Parcel Service Class B Reduce -7.8% 0.31% −0.12
V Visa Inc. Class A Reduce -0.2% 1.12% −0.12
DIS The Walt Disney Co. Reduce -0.0% 0.77% −0.12
TIC Tic Solutions Inc. Reduce -7.3% 0.14% −0.10
PG The Procter & Gamble Co. Reduce -0.0% 1.00% −0.10
ROP Roper Technologies Inc. Reduce -0.1% 0.48% −0.10
EMR Emerson Electric Co. Reduce -0.7% 1.09% −0.09
EXE Expand Energy Corp. Reduce -2.1% 0.43% −0.08
CMCSA Comcast Corp. Class A Reduce -0.7% 0.38% −0.08
CSCO Cisco Systems Inc. Reduce -0.3% 1.04% −0.08
SYK Stryker Corp. Reduce -1.5% 0.46% −0.07
CVS CVS Health Corp. Reduce -25.8% 0.20% −0.06
OABI Omniab Inc. Reduce -43.4% 0.05% −0.05
ECL Ecolab Inc. Reduce -0.0% 1.15% −0.05
IWM iShares Russell 2000 ETF Reduce -21.0% 0.25% −0.05
BMY Bristol-Myers Squibb Co. Reduce -16.5% 0.15% −0.05
KO The Coca-Cola Co. Reduce -0.4% 0.28% −0.04
CL Colgate-Palmolive Co. Reduce -5.9% 0.13% −0.04
CARR Carrier Global Corp. Reduce -0.9% 0.11% −0.03
BRK.B Berkshire Hathaway Inc. Class B Reduce -1.1% 0.89% −0.03
IJR iShares Core S&P Small-Cap E Reduce -22.3% 0.10% −0.02
AMGN Amgen Inc. Reduce -1.8% 0.31% −0.02
PAYX Paychex Inc. Sold out 0.00% −0.02
CRWD CrowdStrike Holdings Inc. Class A Sold out 0.00% −0.02
DISRX BNYM International Stock-I Sold out 0.00% −0.02
XOM Exxon Mobil Corp. Reduce -0.1% 1.17% −0.02
QCOM Qualcomm Inc. Reduce -0.9% 0.64% −0.02
KMB Kimberly-Clark Corp. Reduce -1.7% 0.13% −0.02
IWR iShares Russell Mid-Cap ETF Reduce -0.1% 1.37% −0.02
OTIS Otis Worldwide Corp. Reduce -0.1% 0.08% −0.01
SHW The Sherwin-Williams Co. Reduce -0.1% 0.19% −0.01
SPGI S&P Global Inc. Reduce -3.0% 0.05% −0.01
MDY State Street SPDR S&P Midcap Reduce -1.9% 0.32% −0.01
VZ Verizon Communications Inc. Reduce -0.2% 0.19% −0.01
MCD McDonald's Corp. Reduce -0.1% 0.38% −0.01
AXP American Express Co. Reduce -3.5% 0.13% −0.01
PFE Pfizer Inc. Reduce -2.3% 0.22% −0.01
ITW Illinois Tool Works Reduce -0.1% 1.03% −0.01
MRK Merck & Co. Inc. Reduce -0.7% 0.90% −0.01
IBM Intl Business Machines Corp. Reduce -6.2% 0.03% −0.01
ADBE Adobe Inc. Reduce -0.6% 0.03% −0.00
EFA iShares MSCI Eafe ETF Reduce -0.3% 0.23% −0.00

Portfolio Buys Q2 2025 → Q3 2025
GOOGL Alphabet Inc. Class A Add +0.2% 2.39% +0.56
REGN Regeneron Pharmaceuticals Add +107.1% 0.81% +0.42
ABBV Abbvie Inc. Add +0.7% 1.86% +0.29
APA Apa Corp. Add +1.2% 0.69% +0.15
HD Home Depot Inc. Add +0.5% 2.11% +0.10
LLY Eli Lilly & Co. Add +18.0% 0.79% +0.06
HSY The Hershey Co. Add +15.5% 0.34% +0.06
BMRN Biomarin Pharmaceutical Inc. New 0.04% +0.04
IRM Iron Mountain Inc. Add +13.9% 0.56% +0.04
FDX FedEx Corp. Add +7.6% 0.69% +0.03
SYY Sysco Corp. Add +3.7% 0.56% +0.03
AMAT Applied Materials Inc. Add +0.3% 0.58% +0.03
VWO Vanguard Ftse Emerging Marke Add +2.4% 0.57% +0.03
PEP Pepsico Inc. Add +2.6% 1.06% +0.03
SPY SS SPDR S&P 500 ETF Trust-US Add +4.3% 0.50% +0.03
GTLS Chart Industries Inc. Add +0.2% 0.22% +0.03
OXY Occidental Petroleum Corp. New 0.03% +0.03
LOW Lowe's Cos Inc. Add +0.0% 0.36% +0.02
TSLA Tesla Inc. New 0.02% +0.02
VLO Valero Energy Corp. New 0.02% +0.02
BAC Bank of America Corp. Add +0.1% 0.71% +0.02
AMZN Amazon.com Inc. Add +7.2% 0.69% +0.01
D Dominion Energy Inc. Add +2.2% 0.11% +0.00
RARE Ultragenyx Pharmaceutical Inc. Add +36.3% 0.05% +0.00
SLB SLB Ltd. Add +5.1% 0.03% +0.00
VTIAX Vanguard TTL Int St Idx-Adm Add +0.1% 0.02% +0.00
T AT&T Inc. Add +5.0% 0.03% −0.00
WMT Walmart Inc. Add +0.1% 1.27% −0.01
SO The Southern Co. Add +1.2% 0.53% −0.01
ADI Analog Devices Inc. Add +0.2% 0.52% −0.01
MMM 3M Co. Add +0.1% 0.61% −0.02
SHEL Shell PLC-ADR Add +1.3% 0.90% −0.03
ZS Zscaler Inc. Add +1.2% 1.30% −0.13
FISV Fiserv Inc. Add +4.3% 0.84% −0.30

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 163$1.2BNVDA, MSFT, GOOG, ORLY, AAPL
Q1 2026 156$1.1BNVDA, MSFT, ORLY, GOOG, AAPL
Q4 2025 156$1.2BNVDA, MSFT, ORLY, GOOG, ISRG
Q3 2025 157$1.2BNVDA, MSFT, ORLY, AAPL, GOOG
Q2 2025 156$1.1BNVDA, MSFT, ORLY, ISRG, AAPL
Q1 2025 153$1.0BNVDA, MSFT, ORLY, ISRG, AAPL
Q4 2024 156$1.0BNVDA, MSFT, ORLY, ISRG, AAPL
Q3 2024 165$1.0BNVDA, MSFT, ORLY, ISRG, AAPL
Q2 2024 165$983.4MNVDA, MSFT, ORLY, ISRG, AAPL
Q1 2024 165$966.0MNVDA, MSFT, ORLY, ISRG, AAPL