Woodstock Corp.

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 14, 2026), Woodstock Corp. reported 156 stock positions worth $1.2 billion. Its top holding was Nvidia (NVDA) at 9.3% of the portfolio, followed by Microsoft (MSFT, 6.6%) and O'reilly Automotive (ORLY, 4.4%). Compared with Q3 2025, it opened 2 new positions, sold out of 3, added to 49 and reduced 52. The biggest buy was Alphabet Class A (GOOGL, shares +0%) and the biggest sale O'reilly Automotive (ORLY, shares −0%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001008877
Portfolio Value
$1.2B (Q4 2025)
SEC Filing
0001062993-26-000252 ↗ filed Jan 14, 2026

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 Q3 2025 Q4 2025: $1.2B $1.2B Q4 2025 Q1 2026: $1.1B Q1 2026 Q2 2026: $1.2B Q2 2026

Holdings 156 stocks · $1.2B
NVDA Nvidia Corp. 9.27% 579,400 $108.1M Reduce -2.0%
MSFT Microsoft Corp. 6.57% 158,410 $76.6M Reduce -0.1%
ORLY O'reilly Automotive Inc. 4.37% 558,211 $50.9M Reduce -0.1%
GOOG Alphabet Inc. Class C 4.33% 160,620 $50.4M Reduce -0.6%
ISRG Intuitive Surgical Inc. 4.00% 82,309 $46.6M Reduce -0.4%
AAPL Apple Inc. 3.94% 168,718 $45.9M Reduce -0.4%
GOOGL Alphabet Inc. Class A 3.04% 113,325 $35.5M Add +0.0%
RTX RTX Corp. 2.34% 148,844 $27.3M Reduce -0.3%
JPM JPMorgan Chase & Co. 1.91% 68,892 $22.2M Add +0.8%
ORCL Oracle Corp. 1.83% 109,622 $21.4M Reduce -0.3%
ABBV Abbvie Inc. 1.83% 93,134 $21.3M Add +0.5%
HD Home Depot Inc. 1.78% 60,274 $20.7M Add +0.1%
FTNT Fortinet Inc. 1.73% 253,367 $20.1M Reduce -1.8%
COST Costco Wholesale Corp. 1.64% 22,165 $19.1M Add +0.1%
ABT Abbott Laboratories 1.46% 135,524 $17.0M Reduce -0.0%
JNJ Johnson & Johnson 1.44% 80,804 $16.7M Reduce -0.3%
IDXX Idexx Laboratories Inc. 1.40% 24,168 $16.4M Reduce -0.2%
WMT Walmart Inc. 1.37% 142,942 $15.9M Add +0.5%
IWR iShares Russell Mid-Cap ETF 1.35% 163,334 $15.7M Reduce -0.2%
ADP Automatic Data Processing 1.24% 56,128 $14.4M Add +1.0%
XOM Exxon Mobil Corp. 1.24% 119,867 $14.4M Add +0.1%
REGN Regeneron Pharmaceuticals 1.24% 18,646 $14.4M Add +12.3%
CSCO Cisco Systems Inc. 1.16% 174,975 $13.5M Reduce -0.1%
V Visa Inc. Class A 1.15% 38,280 $13.4M Add +1.4%
MRK Merck & Co. Inc. 1.12% 123,688 $13.0M Add +0.2%
LLY Eli Lilly & Co. 1.10% 11,945 $12.8M Reduce -0.2%
EMR Emerson Electric Co. 1.09% 95,908 $12.7M Add +0.1%
ECL Ecolab Inc. 1.09% 48,410 $12.7M Reduce -0.2%
STT State Street Corp. 1.08% 97,749 $12.6M Reduce -1.0%
PEP Pepsico Inc. 1.07% 87,254 $12.5M Add +0.4%
MDT Medtronic PLC 1.01% 122,810 $11.8M Reduce -0.3%
ZS Zscaler Inc. 0.98% 50,674 $11.4M Add +1.3%
ITW Illinois Tool Works 0.97% 45,903 $11.3M Add +0.8%
NEE Nextera Energy Inc. 0.96% 138,835 $11.1M Add +0.4%
PG The Procter & Gamble Co. 0.92% 74,758 $10.7M Reduce -0.4%
SHEL Shell PLC-ADR 0.92% 145,683 $10.7M Add +0.3%
BRK.B Berkshire Hathaway Inc. Class B 0.90% 20,937 $10.5M Add +2.3%
FDX FedEx Corp. 0.84% 33,956 $9.8M Add +0.3%
APD Air Products & Chemicals Inc. 0.77% 36,136 $8.9M Reduce -1.0%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.76% 77,951 $8.9M Add +0.2%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.75% 159,171 $8.8M Add +0.1%
AMZN Amazon.com Inc. 0.73% 37,083 $8.6M Add +2.4%
AMAT Applied Materials Inc. 0.72% 32,534 $8.4M Reduce -0.6%
CB Chubb Ltd. 0.71% 26,680 $8.3M No change
TMO Thermo Fisher Scientific Inc. 0.71% 14,253 $8.3M Add +0.2%
APA Apa Corp. 0.69% 327,562 $8.0M Reduce -0.4%
QCOM Qualcomm Inc. 0.66% 44,630 $7.6M No change
TSCO Tractor Supply Company 0.63% 145,725 $7.3M No change
MMM 3M Co. 0.62% 45,446 $7.3M No change
CVX Chevron Corp. 0.62% 47,598 $7.3M Add +0.2%
ADI Analog Devices Inc. 0.57% 24,614 $6.7M Add +0.5%
VWO Vanguard Ftse Emerging Marke 0.56% 120,557 $6.5M Add +0.1%
SPY SS SPDR S&P 500 ETF Trust-US 0.52% 8,886 $6.1M Add +2.0%
SYY Sysco Corp. 0.50% 79,214 $5.8M Add +0.3%
SO The Southern Co. 0.49% 65,060 $5.7M Add +0.9%
IRM Iron Mountain Inc. filed as IRON MTN INC DEL 0.45% 63,717 $5.3M Add +1.1%
ROP Roper Technologies Inc. 0.45% 11,786 $5.2M Add +6.4%
EXE Expand Energy Corp. 0.44% 46,436 $5.1M Reduce -1.1%
FISV Fiserv Inc. 0.44% 75,788 $5.1M Add +0.9%
SYK Stryker Corp. 0.43% 14,140 $5.0M Reduce -1.4%
FLS Flowserve Corp. 0.41% 69,154 $4.8M Reduce -0.1%
GE General Electric filed as GE AEROSPACE 0.38% 14,256 $4.4M Reduce -6.2%
MCD McDonald's Corp. 0.38% 14,333 $4.4M Reduce -1.2%
AMGN Amgen Inc. 0.36% 12,725 $4.2M No change
LOW Lowe's Cos Inc. 0.34% 16,404 $4.0M Add +0.5%
CMCSA Comcast Corp. Class A 0.33% 130,500 $3.9M Reduce -7.6%
LGND Ligand Pharmaceuticals 0.32% 20,005 $3.8M Reduce -0.1%
MDY State Street SPDR S&P Midcap 0.31% 6,054 $3.7M Reduce -2.8%
PNC PNC Financial Services Group 0.31% 17,365 $3.6M Add +0.3%
DXCM Dexcom Inc. 0.31% 54,488 $3.6M Reduce -8.3%
GNRC Generac Holdings Inc. 0.30% 25,869 $3.5M Add +2.3%
UPS United Parcel Service Class B 0.30% 35,221 $3.5M Reduce -17.0%
KO The Coca-Cola Co. 0.29% 49,061 $3.4M Reduce -0.2%
HSY The Hershey Co. 0.29% 18,811 $3.4M Reduce -9.8%
BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP 0.29% 29,085 $3.4M Add +0.1%
LNC Lincoln National Corp. 0.25% 66,493 $3.0M Reduce -0.5%
IWM iShares Russell 2000 ETF 0.24% 11,301 $2.8M Reduce -4.6%
EFA iShares MSCI Eafe ETF 0.24% 28,680 $2.8M No change
SHW The Sherwin-Williams Co. 0.21% 7,731 $2.5M Add +23.2%
PFE Pfizer Inc. 0.21% 98,727 $2.5M Reduce -0.9%
GTLS Chart Industries Inc. 0.21% 11,672 $2.4M Reduce -6.8%
CVS CVS Health Corp. 0.21% 30,219 $2.4M No change
ENB Enbridge Inc. 0.19% 47,117 $2.3M Add +0.1%
GEV GE Vernova Inc. 0.19% 3,309 $2.2M No change
BMY Bristol-Myers Squibb Co. 0.18% 38,706 $2.1M Reduce -0.1%
GD General Dynamics Corp. 0.18% 6,119 $2.1M No change
VZ Verizon Communications Inc. 0.17% 49,871 $2.0M Reduce -0.3%
HDV iShares Core High Dividend E 0.17% 16,180 $2.0M No change
VRTX Vertex Pharmaceuticals Inc. 0.16% 4,005 $1.8M No change
AXP American Express Co. 0.15% 4,652 $1.7M Reduce -0.1%
CL Colgate-Palmolive Co. 0.13% 18,467 $1.5M No change
ALDX Aldeyra Therapeutics Inc. 0.12% 266,756 $1.4M No change
SHOP Shopify Inc. Class A 0.12% 8,475 $1.4M No change
TIC Tic Solutions Inc. 0.11% 124,869 $1.3M No change
EYPT Eyepoint Inc. 0.11% 68,465 $1.3M No change
KMB Kimberly-Clark Corp. 0.10% 11,803 $1.2M Reduce -2.5%
D Dominion Energy Inc. 0.10% 19,774 $1.2M Reduce -0.3%
CARR Carrier Global Corp. 0.10% 21,065 $1.1M Reduce -0.7%
IJR iShares Core S&P Small-Cap E 0.10% 9,245 $1.1M No change
VEA Vanguard Ftse Developed ETF 0.09% 17,235 $1.1M No change
UBER Uber Technologies Inc. 0.09% 12,899 $1.1M 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 $987K No change
CAT Caterpillar Inc. 0.08% 1,557 $892K Reduce -3.7%
OTIS Otis Worldwide Corp. 0.07% 9,959 $870K Reduce -0.5%
AKAM Akamai Technologies Inc. 0.07% 9,920 $866K No change
VRNS Varonis Systems Inc. 0.07% 24,526 $804K No change
MPC Marathon Petroleum Corp. 0.07% 4,718 $767K No change
XLK SS Technology Select Sector 0.06% 5,000 $720K No change
SLF Sun Life Financial Inc. 0.05% 9,647 $602K No change
SPGI S&P Global Inc. 0.05% 1,149 $600K Add +0.3%
FCX Freeport-McMoran Inc. 0.05% 11,704 $594K No change
BABA Alibaba Group Holding-SP ADR 0.05% 3,642 $534K No change
DVN Devon Energy Corp. 0.04% 13,387 $490K No change
BMRN Biomarin Pharmaceutical Inc. 0.04% 8,176 $486K No change
AZO AutoZone Inc. 0.04% 143 $485K No change
FXAIX Fidelity 500 Index Fund 0.04% 2,029 $482K Reduce -0.9%
CFLT Confluent Inc. Class A 0.04% 15,285 $462K No change
EQT Eqt Corp. 0.04% 8,607 $461K No change
SLB SLB Ltd. filed as SLB LIMITED 0.04% 11,567 $444K No change
INTU Intuit Inc. 0.04% 670 $444K Add +0.5%
NSP Insperity Inc. 0.04% 11,322 $438K Add +42.9%
GFAFX Amer FND GRW FD of Am-F1 0.04% 5,493 $437K No change
POET Poet Technologies Inc. 0.04% 67,900 $430K New
NVS Novartis AG-Sponsored ADR 0.04% 3,077 $424K No change
MA Mastercard Inc. Class A 0.03% 680 $388K Add +0.4%
TEL Te Connectivity PLC 0.03% 1,690 $384K No change
GEHC GE Healthcare Technology 0.03% 4,553 $373K No change
VTI VG Morningstar TS MKT ETF-US 0.03% 1,089 $365K No change
OXY Occidental Petroleum Corp. 0.03% 8,858 $364K Add +29.2%
ELME Elme Communities 0.03% 20,380 $355K No change
AFL Aflac Inc. 0.03% 3,200 $353K No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.03% 1,133 $336K Add +0.5%
CRK Comstock Resources Inc. 0.03% 14,343 $332K No change
AMT American Tower Corp. 0.03% 1,877 $330K No change
MKC McCormick & Co.-Non VTG SHRS 0.03% 4,736 $323K Add +0.6%
DHR Danaher Corp. 0.03% 1,373 $314K No change
T AT&T Inc. 0.03% 12,530 $311K Reduce -1.6%
ADBE Adobe Inc. 0.03% 888 $311K Reduce -6.3%
CTSH Cognizant Tech Solutions-A 0.03% 3,641 $302K No change
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.03% 1,960 $301K No change
RMD Resmed Inc. 0.02% 1,180 $284K No change
GDRX Goodrx Holdings Inc. Class A 0.02% 102,029 $276K New
APH Amphenol Corp. Class A 0.02% 2,040 $276K No change
LIN Linde PLC 0.02% 645 $275K Add +0.3%
TSLA Tesla Inc. 0.02% 600 $270K Add +2.6%
VTSAX VNGD Mrngst TS MK Idx FD-Adm filed as VANGUARD TOTAL STOCK MARKET IN 0.02% 1,502 $245K No change
UNP Union Pacific Corp. 0.02% 1,045 $242K No change
VTIAX Vanguard TTL Int St Idx-Adm 0.02% 5,843 $237K Add +0.2%
VLO Valero Energy Corp. 0.02% 1,437 $234K No change
HON Honeywell International Inc. 0.02% 1,085 $212K Reduce -1.2%
XLF SS Financial Select Sector 0.02% 3,833 $210K Reduce -0.3%
BCYC Bicycle Therapeutics PLC-ADR 0.02% 29,146 $206K Add +21.8%
OABI Omniab Inc. 0.01% 35,240 $65K Reduce -90.0%
JASNQ Jason Industries Inc. 0.00% 10,668 $192 No change

Portfolio Sells Q3 2025 → Q4 2025
ORLY O'reilly Automotive Inc. Reduce -0.1% 4.37% −0.85
ORCL Oracle Corp. Reduce -0.3% 1.83% −0.85
MSFT Microsoft Corp. Reduce -0.1% 6.57% −0.54
NVDA Nvidia Corp. Reduce -2.0% 9.27% −0.29
FTNT Fortinet Inc. Reduce -1.8% 1.73% −0.15
ABT Abbott Laboratories Reduce -0.0% 1.46% −0.12
APD Air Products & Chemicals Inc. Reduce -1.0% 0.77% −0.10
PG The Procter & Gamble Co. Reduce -0.4% 0.92% −0.08
ECL Ecolab Inc. Reduce -0.2% 1.09% −0.06
CMCSA Comcast Corp. Class A Reduce -7.6% 0.33% −0.05
RARE Ultragenyx Pharmaceutical Inc. Sold out 0.00% −0.05
HSY The Hershey Co. Reduce -9.8% 0.29% −0.04
OABI Omniab Inc. Reduce -90.0% 0.01% −0.04
DXCM Dexcom Inc. Reduce -8.3% 0.31% −0.04
SYK Stryker Corp. Reduce -1.4% 0.43% −0.03
KMB Kimberly-Clark Corp. Reduce -2.5% 0.10% −0.03
BP BP PLC-Spons ADR Sold out 0.00% −0.02
IWR iShares Russell Mid-Cap ETF Reduce -0.2% 1.35% −0.02
GE General Electric Reduce -6.2% 0.38% −0.02
WSO Watsco Inc. Sold out 0.00% −0.02
VZ Verizon Communications Inc. Reduce -0.3% 0.17% −0.02
CARR Carrier Global Corp. Reduce -0.7% 0.10% −0.01
GTLS Chart Industries Inc. Reduce -6.8% 0.21% −0.01
IWM iShares Russell 2000 ETF Reduce -4.6% 0.24% −0.01
PFE Pfizer Inc. Reduce -0.9% 0.21% −0.01
MDY State Street SPDR S&P Midcap Reduce -2.8% 0.31% −0.01
UPS United Parcel Service Class B Reduce -17.0% 0.30% −0.01
MCD McDonald's Corp. Reduce -1.2% 0.38% −0.01
D Dominion Energy Inc. Reduce -0.3% 0.10% −0.01
OTIS Otis Worldwide Corp. Reduce -0.5% 0.07% −0.00
T AT&T Inc. Reduce -1.6% 0.03% −0.00
APA Apa Corp. Reduce -0.4% 0.69% −0.00
MDT Medtronic PLC Reduce -0.3% 1.01% −0.00
ADBE Adobe Inc. Reduce -6.3% 0.03% −0.00
HON Honeywell International Inc. Reduce -1.2% 0.02% −0.00
FXAIX Fidelity 500 Index Fund Reduce -0.9% 0.04% +0.00
XLF SS Financial Select Sector Reduce -0.3% 0.02% +0.00
EXE Expand Energy Corp. Reduce -1.1% 0.44% +0.01
CAT Caterpillar Inc. Reduce -3.7% 0.08% +0.01
KO The Coca-Cola Co. Reduce -0.2% 0.29% +0.01
AXP American Express Co. Reduce -0.1% 0.15% +0.01
LGND Ligand Pharmaceuticals Reduce -0.1% 0.32% +0.02
LNC Lincoln National Corp. Reduce -0.5% 0.25% +0.02
BMY Bristol-Myers Squibb Co. Reduce -0.1% 0.18% +0.03
IDXX Idexx Laboratories Inc. Reduce -0.2% 1.40% +0.06
STT State Street Corp. Reduce -1.0% 1.08% +0.09
FLS Flowserve Corp. Reduce -0.1% 0.41% +0.09
CSCO Cisco Systems Inc. Reduce -0.1% 1.16% +0.12
JNJ Johnson & Johnson Reduce -0.3% 1.44% +0.13
AMAT Applied Materials Inc. Reduce -0.6% 0.72% +0.14

Portfolio Buys Q3 2025 → Q4 2025
GOOGL Alphabet Inc. Class A Add +0.0% 3.04% +0.66
REGN Regeneron Pharmaceuticals Add +12.3% 1.24% +0.43
MRK Merck & Co. Inc. Add +0.2% 1.12% +0.22
FDX FedEx Corp. Add +0.3% 0.84% +0.15
TMO Thermo Fisher Scientific Inc. Add +0.2% 0.71% +0.11
WMT Walmart Inc. Add +0.5% 1.37% +0.10
XOM Exxon Mobil Corp. Add +0.1% 1.24% +0.07
NEE Nextera Energy Inc. Add +0.4% 0.96% +0.05
ADI Analog Devices Inc. Add +0.5% 0.57% +0.05
AMZN Amazon.com Inc. Add +2.4% 0.73% +0.05
BAC Bank of America Corp. Add +0.1% 0.75% +0.04
JPM JPMorgan Chase & Co. Add +0.8% 1.91% +0.04
POET Poet Technologies Inc. New 0.04% +0.04
V Visa Inc. Class A Add +1.4% 1.15% +0.04
SHW The Sherwin-Williams Co. Add +23.2% 0.21% +0.03
GDRX Goodrx Holdings Inc. Class A New 0.02% +0.02
SHEL Shell PLC-ADR Add +0.3% 0.92% +0.02
SPY SS SPDR S&P 500 ETF Trust-US Add +2.0% 0.52% +0.02
PEP Pepsico Inc. Add +0.4% 1.07% +0.02
BNY Bank of New York Mellon Corp. Add +0.1% 0.29% +0.02
BRK.B Berkshire Hathaway Inc. Class B Add +2.3% 0.90% +0.01
PNC PNC Financial Services Group Add +0.3% 0.31% +0.01
NSP Insperity Inc. Add +42.9% 0.04% +0.00
EMR Emerson Electric Co. Add +0.1% 1.09% +0.00
OXY Occidental Petroleum Corp. Add +29.2% 0.03% +0.00
SPGI S&P Global Inc. Add +0.3% 0.05% +0.00
BCYC Bicycle Therapeutics PLC-ADR Add +21.8% 0.02% +0.00
IBM Intl Business Machines Corp. Add +0.5% 0.03% +0.00
TSLA Tesla Inc. Add +2.6% 0.02% +0.00
MKC McCormick & Co.-Non VTG SHRS Add +0.6% 0.03% +0.00
VTIAX Vanguard TTL Int St Idx-Adm Add +0.2% 0.02% +0.00
MA Mastercard Inc. Class A Add +0.4% 0.03% −0.00
INTU Intuit Inc. Add +0.5% 0.04% −0.00
LIN Linde PLC Add +0.3% 0.02% −0.00
VWO Vanguard Ftse Emerging Marke Add +0.1% 0.56% −0.01
DIS The Walt Disney Co. Add +0.2% 0.76% −0.01
ENB Enbridge Inc. Add +0.1% 0.19% −0.01
LOW Lowe's Cos Inc. Add +0.5% 0.34% −0.02
CVX Chevron Corp. Add +0.2% 0.62% −0.02
ROP Roper Technologies Inc. Add +6.4% 0.45% −0.03
ABBV Abbvie Inc. Add +0.5% 1.83% −0.03
SO The Southern Co. Add +0.9% 0.49% −0.04
ITW Illinois Tool Works Add +0.8% 0.97% −0.06
SYY Sysco Corp. Add +0.3% 0.50% −0.06
GNRC Generac Holdings Inc. Add +2.3% 0.30% −0.06
IRM Iron Mountain Inc. Add +1.1% 0.45% −0.10
COST Costco Wholesale Corp. Add +0.1% 1.64% −0.14
ADP Automatic Data Processing Add +1.0% 1.24% −0.17
ZS Zscaler Inc. Add +1.3% 0.98% −0.32
HD Home Depot Inc. Add +0.1% 1.78% −0.33

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