Woodstock Corp.

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 8, 2026), Woodstock Corp. reported 156 stock positions worth $1.1 billion. Its top holding was Nvidia (NVDA) at 8.5% of the portfolio, followed by Microsoft (MSFT, 5.2%) and O'reilly Automotive (ORLY, 4.6%). Compared with Q4 2025, it opened 5 new positions, sold out of 5, added to 37 and reduced 77. The biggest buy was Apa (APA, shares +8%) and the biggest sale Microsoft (MSFT, shares −0%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001008877
Portfolio Value
$1.1B (Q1 2026)
SEC Filing
0001062993-26-001892 ↗ filed Apr 8, 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 Q4 2025 Q1 2026: $1.1B $1.1B Q1 2026 Q2 2026: $1.2B Q2 2026

Holdings 156 stocks · $1.1B
NVDA Nvidia Corp. 8.48% 546,483 $95.3M Reduce -5.7%
MSFT Microsoft Corp. 5.21% 158,252 $58.6M Reduce -0.1%
ORLY O'reilly Automotive Inc. 4.57% 556,467 $51.4M Reduce -0.3%
GOOG Alphabet Inc. Class C 4.04% 158,346 $45.4M Reduce -1.4%
AAPL Apple Inc. 3.78% 167,486 $42.5M Reduce -0.7%
ISRG Intuitive Surgical Inc. 3.32% 81,029 $37.4M Reduce -1.6%
GOOGL Alphabet Inc. Class A 2.87% 112,266 $32.3M Reduce -0.9%
RTX RTX Corp. 2.49% 145,287 $28.0M Reduce -2.4%
COST Costco Wholesale Corp. 1.95% 21,931 $21.9M Reduce -1.1%
JPM JPMorgan Chase & Co. 1.80% 68,883 $20.3M Reduce -0.0%
ABBV Abbvie Inc. 1.80% 93,086 $20.2M Reduce -0.1%
XOM Exxon Mobil Corp. 1.79% 118,346 $20.1M Reduce -1.3%
HD Home Depot Inc. 1.76% 60,079 $19.8M Reduce -0.3%
JNJ Johnson & Johnson 1.75% 80,398 $19.7M Reduce -0.5%
FTNT Fortinet Inc. 1.71% 234,494 $19.2M Reduce -7.5%
WMT Walmart Inc. 1.55% 140,085 $17.4M Reduce -2.0%
IWR iShares Russell Mid-Cap ETF 1.38% 159,885 $15.5M Reduce -2.1%
ORCL Oracle Corp. 1.38% 105,515 $15.5M Reduce -3.8%
REGN Regeneron Pharmaceuticals 1.37% 19,855 $15.3M Add +6.5%
MRK Merck & Co. Inc. 1.33% 124,502 $15.0M Add +0.7%
APA Apa Corp. 1.33% 352,679 $15.0M Add +7.7%
SHEL Shell PLC-ADR 1.26% 152,733 $14.2M Add +4.8%
ABT Abbott Laboratories 1.25% 137,037 $14.1M Add +1.1%
CSCO Cisco Systems Inc. 1.20% 174,325 $13.5M Reduce -0.4%
PEP Pepsico Inc. 1.19% 85,926 $13.3M Reduce -1.5%
IDXX Idexx Laboratories Inc. 1.18% 23,658 $13.3M Reduce -2.1%
ECL Ecolab Inc. 1.14% 48,039 $12.8M Reduce -0.8%
NEE Nextera Energy Inc. 1.14% 137,564 $12.8M Reduce -0.9%
EMR Emerson Electric Co. 1.12% 95,967 $12.6M Add +0.1%
STT State Street Corp. 1.09% 96,894 $12.3M Reduce -0.9%
FDX FedEx Corp. 1.08% 34,006 $12.1M Add +0.1%
ITW Illinois Tool Works 1.07% 46,207 $12.0M Add +0.7%
V Visa Inc. Class A 1.04% 38,733 $11.7M Add +1.2%
ADP Automatic Data Processing 1.01% 55,915 $11.4M Reduce -0.4%
LLY Eli Lilly & Co. 0.99% 12,057 $11.1M Add +0.9%
AMAT Applied Materials Inc. 0.98% 32,204 $11.0M Reduce -1.0%
CVX Chevron Corp. 0.96% 52,197 $10.8M Add +9.7%
MDT Medtronic PLC 0.94% 122,060 $10.6M Reduce -0.6%
PG The Procter & Gamble Co. 0.93% 72,627 $10.5M Reduce -2.9%
BRK.B Berkshire Hathaway Inc. Class B 0.92% 21,477 $10.3M Add +2.6%
AMZN Amazon.com Inc. 0.91% 49,146 $10.2M Add +32.5%
APD Air Products & Chemicals Inc. 0.89% 34,418 $10.0M Reduce -4.8%
CB Chubb Ltd. 0.77% 26,610 $8.7M Reduce -0.3%
ZS Zscaler Inc. 0.76% 60,923 $8.5M Add +20.2%
ADI Analog Devices Inc. 0.70% 24,683 $7.9M Add +0.3%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.69% 158,646 $7.7M Reduce -0.3%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.68% 79,526 $7.7M Add +2.0%
TMO Thermo Fisher Scientific Inc. 0.64% 14,525 $7.1M Add +1.9%
IRM Iron Mountain Inc. filed as IRON MTN INC DEL 0.60% 65,497 $6.7M Add +2.8%
TSCO Tractor Supply Company 0.59% 145,185 $6.6M Reduce -0.4%
MMM 3M Co. 0.58% 45,191 $6.6M Reduce -0.6%
VWO Vanguard Ftse Emerging Marke 0.58% 120,417 $6.5M Reduce -0.1%
SO The Southern Co. 0.57% 66,195 $6.4M Add +1.7%
SPY SS SPDR S&P 500 ETF Trust-US 0.53% 9,081 $5.9M Add +2.2%
SYY Sysco Corp. 0.50% 79,510 $5.7M Add +0.4%
QCOM Qualcomm Inc. 0.49% 42,562 $5.5M Reduce -4.6%
EXE Expand Energy Corp. 0.45% 46,006 $5.1M Reduce -0.9%
FISV Fiserv Inc. 0.45% 90,361 $5.0M Add +19.2%
FLS Flowserve Corp. 0.45% 68,194 $5.0M Reduce -1.4%
HSY The Hershey Co. 0.45% 24,093 $5.0M Add +28.1%
GNRC Generac Holdings Inc. 0.44% 25,570 $5.0M Reduce -1.2%
MCD McDonald's Corp. 0.41% 14,698 $4.6M Add +2.5%
ROP Roper Technologies Inc. 0.40% 12,556 $4.4M Add +6.5%
AMGN Amgen Inc. 0.40% 12,625 $4.4M Reduce -0.8%
SYK Stryker Corp. 0.39% 13,407 $4.4M Reduce -5.2%
DXCM Dexcom Inc. 0.36% 64,034 $4.0M Add +17.5%
LOW Lowe's Cos Inc. 0.35% 16,482 $3.9M Add +0.5%
LGND Ligand Pharmaceuticals 0.34% 19,120 $3.8M Reduce -4.4%
MDY State Street SPDR S&P Midcap 0.33% 6,059 $3.7M Add +0.1%
CMCSA Comcast Corp. Class A 0.33% 129,886 $3.7M Reduce -0.5%
PNC PNC Financial Services Group 0.32% 17,425 $3.6M Add +0.3%
KO The Coca-Cola Co. 0.32% 47,060 $3.6M Reduce -4.1%
BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP 0.31% 29,085 $3.5M No change
UPS United Parcel Service Class B 0.29% 33,464 $3.3M Reduce -5.0%
SHW The Sherwin-Williams Co. 0.29% 10,182 $3.3M Add +31.7%
GE General Electric filed as GE AEROSPACE 0.25% 9,865 $2.8M Reduce -30.8%
EFA iShares MSCI Eafe ETF 0.25% 28,580 $2.8M Reduce -0.3%
GEV GE Vernova Inc. 0.25% 3,167 $2.8M Reduce -4.3%
PFE Pfizer Inc. 0.23% 92,722 $2.6M Reduce -6.1%
GTLS Chart Industries Inc. 0.21% 11,672 $2.4M No change
ENB Enbridge Inc. 0.21% 43,956 $2.4M Reduce -6.7%
LNC Lincoln National Corp. 0.21% 65,728 $2.3M Reduce -1.1%
BMY Bristol-Myers Squibb Co. 0.20% 37,696 $2.3M Reduce -2.6%
HDV iShares Core High Dividend E 0.20% 16,180 $2.2M No change
NFLX Netflix Inc. 0.19% 22,270 $2.1M New
GD General Dynamics Corp. 0.19% 6,071 $2.1M Reduce -0.8%
IWM iShares Russell 2000 ETF 0.18% 8,120 $2.0M Reduce -28.1%
CVS CVS Health Corp. 0.17% 27,359 $2.0M Reduce -9.5%
VZ Verizon Communications Inc. 0.16% 36,384 $1.8M Reduce -27.0%
VRTX Vertex Pharmaceuticals Inc. 0.16% 4,005 $1.8M No change
CL Colgate-Palmolive Co. 0.14% 18,372 $1.6M Reduce -0.5%
OXY Occidental Petroleum Corp. 0.13% 22,932 $1.5M Add +158.9%
AXP American Express Co. 0.12% 4,410 $1.3M Reduce -5.2%
CARR Carrier Global Corp. 0.11% 21,036 $1.2M Reduce -0.1%
D Dominion Energy Inc. 0.10% 18,984 $1.2M Reduce -4.0%
MRVL Marvell Technology Inc. 0.10% 11,715 $1.2M Add +0.9%
MPC Marathon Petroleum Corp. 0.10% 4,708 $1.1M Reduce -0.2%
AKAM Akamai Technologies Inc. 0.10% 9,920 $1.1M No change
VEA Vanguard Ftse Developed ETF 0.10% 17,235 $1.1M No change
CAT Caterpillar Inc. 0.10% 1,557 $1.1M No change

Show all 156 holdings

Portfolio Sells Q4 2025 → Q1 2026
MSFT Microsoft Corp. Reduce -0.1% 5.21% −1.36
NVDA Nvidia Corp. Reduce -5.7% 8.48% −0.79
ISRG Intuitive Surgical Inc. Reduce -1.6% 3.32% −0.68
ORCL Oracle Corp. Reduce -3.8% 1.38% −0.45
GOOG Alphabet Inc. Class C Reduce -1.4% 4.04% −0.28
ADP Automatic Data Processing Reduce -0.4% 1.01% −0.23
IDXX Idexx Laboratories Inc. Reduce -2.1% 1.18% −0.22
GOOGL Alphabet Inc. Class A Reduce -0.9% 2.87% −0.17
QCOM Qualcomm Inc. Reduce -4.6% 0.49% −0.17
AAPL Apple Inc. Reduce -0.7% 3.78% −0.15
GE General Electric Reduce -30.8% 0.25% −0.13
JPM JPMorgan Chase & Co. Reduce -0.0% 1.80% −0.10
MDT Medtronic PLC Reduce -0.6% 0.94% −0.07
BAC Bank of America Corp. Reduce -0.3% 0.69% −0.06
IWM iShares Russell 2000 ETF Reduce -28.1% 0.18% −0.06
IJR iShares Core S&P Small-Cap E Reduce -62.7% 0.04% −0.06
LNC Lincoln National Corp. Reduce -1.1% 0.21% −0.05
MMM 3M Co. Reduce -0.6% 0.58% −0.04
TSCO Tractor Supply Company Reduce -0.4% 0.59% −0.04
CFLT Confluent Inc. Class A Sold out 0.00% −0.04
SYK Stryker Corp. Reduce -5.2% 0.39% −0.03
CVS CVS Health Corp. Reduce -9.5% 0.17% −0.03
AXP American Express Co. Reduce -5.2% 0.12% −0.03
DHR Danaher Corp. Sold out 0.00% −0.03
ADBE Adobe Inc. Sold out 0.00% −0.03
CTSH Cognizant Tech Solutions-A Sold out 0.00% −0.03
ABBV Abbvie Inc. Reduce -0.1% 1.80% −0.02
HD Home Depot Inc. Reduce -0.3% 1.76% −0.02
FTNT Fortinet Inc. Reduce -7.5% 1.71% −0.02
XLF SS Financial Select Sector Sold out 0.00% −0.02
INTU Intuit Inc. Reduce -1.2% 0.03% −0.01
OTIS Otis Worldwide Corp. Reduce -9.1% 0.06% −0.01
VZ Verizon Communications Inc. Reduce -27.0% 0.16% −0.01
NSP Insperity Inc. Reduce -0.2% 0.03% −0.01
UBER Uber Technologies Inc. Reduce -2.7% 0.08% −0.01
SPGI S&P Global Inc. Reduce -1.0% 0.04% −0.01
UPS United Parcel Service Class B Reduce -5.0% 0.29% −0.01
KMB Kimberly-Clark Corp. Reduce -4.2% 0.10% −0.01
GEHC GE Healthcare Technology Reduce -0.6% 0.03% −0.00
MA Mastercard Inc. Class A Reduce -0.4% 0.03% −0.00
CMCSA Comcast Corp. Class A Reduce -0.5% 0.33% −0.00
VTI VG Morningstar TS MKT ETF-US Reduce -7.1% 0.03% −0.00
OABI Omniab Inc. Reduce -2.3% 0.00% −0.00
HON Honeywell International Inc. Reduce -17.1% 0.02% −0.00
UNP Union Pacific Corp. Reduce -5.3% 0.02% +0.00
T AT&T Inc. Reduce -6.8% 0.03% +0.00
NVS Novartis AG-Sponsored ADR Reduce -1.6% 0.04% +0.00
LIN Linde PLC Reduce -0.3% 0.03% +0.00
D Dominion Energy Inc. Reduce -4.0% 0.10% +0.01
GD General Dynamics Corp. Reduce -0.8% 0.19% +0.01

Portfolio Buys Q4 2025 → Q1 2026
APA Apa Corp. Add +7.7% 1.33% +0.64
SHEL Shell PLC-ADR Add +4.8% 1.26% +0.35
CVX Chevron Corp. Add +9.7% 0.96% +0.34
FDX FedEx Corp. Add +0.1% 1.08% +0.24
MRK Merck & Co. Inc. Add +0.7% 1.33% +0.22
NFLX Netflix Inc. New 0.19% +0.19
AMZN Amazon.com Inc. Add +32.5% 0.91% +0.18
HSY The Hershey Co. Add +28.1% 0.45% +0.15
IRM Iron Mountain Inc. Add +2.8% 0.60% +0.14
REGN Regeneron Pharmaceuticals Add +6.5% 1.37% +0.13
ADI Analog Devices Inc. Add +0.3% 0.70% +0.13
OXY Occidental Petroleum Corp. Add +158.9% 0.13% +0.10
ITW Illinois Tool Works Add +0.7% 1.07% +0.10
SO The Southern Co. Add +1.7% 0.57% +0.08
SHW The Sherwin-Williams Co. Add +31.7% 0.29% +0.08
DXCM Dexcom Inc. Add +17.5% 0.36% +0.05
MCD McDonald's Corp. Add +2.5% 0.41% +0.03
OUST Ouster Inc. New 0.03% +0.03
EMR Emerson Electric Co. Add +0.1% 1.12% +0.03
META Meta Platforms Inc. Class A New 0.02% +0.02
MDY State Street SPDR S&P Midcap Add +0.1% 0.33% +0.02
MRVL Marvell Technology Inc. Add +0.9% 0.10% +0.02
DRTS Alpha Tau Medical Ltd. New 0.01% +0.01
BRK.B Berkshire Hathaway Inc. Class B Add +2.6% 0.92% +0.01
FCX Freeport-McMoran Inc. Add +4.3% 0.06% +0.01
FISV Fiserv Inc. Add +19.2% 0.45% +0.01
PNC PNC Financial Services Group Add +0.3% 0.32% +0.01
LOW Lowe's Cos Inc. Add +0.5% 0.35% +0.01
SPY SS SPDR S&P 500 ETF Trust-US Add +2.2% 0.53% +0.01
SYY Sysco Corp. Add +0.4% 0.50% +0.00
NATBF Natbridge Resources Ltd. New 0.00% +0.00
VTIAX Vanguard TTL Int St Idx-Adm Add +0.0% 0.02% +0.00
TSLA Tesla Inc. Add +0.8% 0.02% −0.00
IBM Intl Business Machines Corp. Add +3.9% 0.03% −0.00
MKC McCormick & Co.-Non VTG SHRS Add +6.0% 0.02% −0.01
ROP Roper Technologies Inc. Add +6.5% 0.40% −0.05
TMO Thermo Fisher Scientific Inc. Add +1.9% 0.64% −0.07
DIS The Walt Disney Co. Add +2.0% 0.68% −0.08
V Visa Inc. Class A Add +1.2% 1.04% −0.11
LLY Eli Lilly & Co. Add +0.9% 0.99% −0.11
ABT Abbott Laboratories Add +1.1% 1.25% −0.20
ZS Zscaler Inc. Add +20.2% 0.76% −0.22

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