Woodstock Corp.

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed April 9, 2025), Woodstock Corp. reported 153 stock positions worth $1.0 billion. Its top holding was Nvidia (NVDA) at 7.3% of the portfolio, followed by Microsoft (MSFT, 6.0%) and O'reilly Automotive (ORLY, 5.6%). Compared with Q4 2024, it sold out of 3, added to 37 and reduced 81. The biggest buy was Abbott Laboratories (ABT, shares +3%) and the biggest sale Nvidia (NVDA, shares −3%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001008877
Portfolio Value
$1.0B (Q1 2025)
SEC Filing
0001062993-25-007257 ↗ filed Apr 9, 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 $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 Q1 2026 Q2 2026: $1.2B Q2 2026

Holdings 153 stocks · $1.0B
NVDA Nvidia Corp. 7.32% 684,132 $74.1M Reduce -3.1%
MSFT Microsoft Corp. 5.99% 161,601 $60.7M Reduce -1.0%
ORLY O'reilly Automotive Inc. 5.61% 39,651 $56.8M Reduce -2.3%
ISRG Intuitive Surgical Inc. 4.15% 84,824 $42.0M Reduce -2.5%
AAPL Apple Inc. 3.73% 169,842 $37.7M Reduce -1.5%
FTNT Fortinet Inc. 2.71% 284,605 $27.4M Reduce -1.9%
GOOG Alphabet Inc. Class C 2.50% 162,298 $25.4M Reduce -1.1%
HD Home Depot Inc. 2.17% 59,848 $21.9M Reduce -0.1%
COST Costco Wholesale Corp. 2.10% 22,471 $21.3M Add +2.0%
RTX RTX Corp. 1.97% 150,481 $19.9M Reduce -0.6%
ABBV Abbvie Inc. 1.96% 94,487 $19.8M Reduce -1.6%
ABT Abbott Laboratories 1.79% 136,620 $18.1M Add +3.1%
GOOGL Alphabet Inc. Class A 1.72% 112,380 $17.4M Reduce -1.0%
JPM JPMorgan Chase & Co. 1.72% 70,798 $17.4M Add +0.8%
ADP Automatic Data Processing 1.70% 56,489 $17.3M Reduce -2.8%
ORCL Oracle Corp. 1.64% 118,518 $16.6M Add +2.5%
FISV Fiserv Inc. 1.52% 69,669 $15.4M Reduce -0.2%
XOM Exxon Mobil Corp. 1.40% 119,396 $14.2M Reduce -0.6%
IWR iShares Russell Mid-Cap ETF 1.40% 166,025 $14.1M Reduce -4.0%
JNJ Johnson & Johnson 1.34% 82,068 $13.6M Reduce -2.8%
PG The Procter & Gamble Co. 1.30% 77,504 $13.2M Reduce -3.1%
V Visa Inc. Class A 1.30% 37,588 $13.2M Add +2.0%
PEP Pepsico Inc. 1.26% 85,086 $12.8M Reduce -2.8%
WMT Walmart Inc. 1.23% 141,955 $12.5M Add +0.9%
ECL Ecolab Inc. 1.22% 48,814 $12.4M Reduce -1.2%
APD Air Products & Chemicals Inc. 1.13% 38,735 $11.4M Reduce -0.2%
MDT Medtronic PLC 1.12% 126,384 $11.4M Reduce -1.3%
MRK Merck & Co. Inc. 1.12% 126,350 $11.3M Add +0.6%
ITW Illinois Tool Works 1.10% 45,068 $11.2M Add +1.9%
BRK.B Berkshire Hathaway Inc. Class B 1.09% 20,711 $11.0M Add +2.5%
CSCO Cisco Systems Inc. 1.07% 176,016 $10.9M Reduce -2.0%
EMR Emerson Electric Co. 1.04% 96,105 $10.5M Add +3.0%
SHEL Shell PLC-ADR 1.04% 143,742 $10.5M Add +1.2%
IDXX Idexx Laboratories Inc. 1.02% 24,537 $10.3M Reduce -2.9%
NEE Nextera Energy Inc. 0.97% 138,032 $9.8M Add +2.6%
ZS Zscaler Inc. 0.94% 47,852 $9.5M Add +32.8%
STT State Street Corp. 0.88% 99,999 $9.0M Reduce -0.0%
CVX Chevron Corp. 0.83% 50,202 $8.4M Add +2.6%
TSCO Tractor Supply Company 0.81% 148,631 $8.2M Reduce -5.3%
CB Chubb Ltd. 0.80% 26,794 $8.1M Reduce -2.7%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.76% 78,363 $7.7M Reduce -3.7%
FDX FedEx Corp. 0.73% 30,133 $7.3M Add +17.6%
TMO Thermo Fisher Scientific Inc. 0.72% 14,714 $7.3M Reduce -6.7%
LLY Eli Lilly & Co. 0.72% 8,796 $7.3M Add +6.4%
QCOM Qualcomm Inc. 0.70% 46,255 $7.1M Reduce -5.8%
MMM 3M Co. 0.66% 45,534 $6.7M Reduce -0.5%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.65% 158,649 $6.6M Reduce -0.7%
ROP Roper Technologies Inc. 0.65% 11,087 $6.5M Reduce -1.9%
AMZN Amazon.com Inc. 0.60% 31,961 $6.1M Add +11.9%
VWO Vanguard Ftse Emerging Marke 0.59% 130,992 $5.9M Reduce -10.8%
SO The Southern Co. 0.58% 63,724 $5.9M Add +52.4%
SYY Sysco Corp. 0.57% 77,574 $5.8M Reduce -2.1%
SYK Stryker Corp. 0.56% 15,346 $5.7M Reduce -5.4%
EXE Expand Energy Corp. 0.56% 50,721 $5.6M No change
APA Apa Corp. 0.55% 267,035 $5.6M Add +10.2%
CMCSA Comcast Corp. Class A 0.53% 144,540 $5.3M Reduce -0.4%
UPS United Parcel Service Class B 0.51% 46,709 $5.1M Add +11.8%
ADI Analog Devices Inc. 0.48% 23,951 $4.8M Add +4.3%
AMAT Applied Materials Inc. 0.45% 31,683 $4.6M Add +5.0%
IRM Iron Mountain Inc. filed as IRON MTN INC DEL 0.45% 53,428 $4.6M Reduce -17.4%
MCD McDonald's Corp. 0.45% 14,513 $4.5M Reduce -1.0%
REGN Regeneron Pharmaceuticals 0.45% 7,115 $4.5M Add +52.9%
SPY SS SPDR S&P 500 ETF Trust-US 0.44% 7,925 $4.4M Add +5.4%
AMGN Amgen Inc. 0.43% 13,918 $4.3M Reduce -6.6%
DXCM Dexcom Inc. 0.38% 57,061 $3.9M Add +2.1%
LOW Lowe's Cos Inc. 0.37% 16,203 $3.8M Add +3.1%
KO The Coca-Cola Co. 0.35% 49,802 $3.6M Reduce -1.0%
IWM iShares Russell 2000 ETF 0.35% 17,752 $3.5M Reduce -15.3%
FLS Flowserve Corp. 0.34% 69,543 $3.4M Reduce -18.2%
MDY State Street SPDR S&P Midcap 0.33% 6,190 $3.3M Add +17.6%
GE General Electric filed as GE AEROSPACE 0.32% 16,158 $3.2M Reduce -3.1%
BMY Bristol-Myers Squibb Co. 0.31% 50,916 $3.1M Reduce -2.6%
LGND Ligand Pharmaceuticals 0.31% 29,397 $3.1M Reduce -0.1%
GNRC Generac Holdings Inc. 0.30% 24,326 $3.1M Add +4.1%
PNC PNC Financial Services Group 0.30% 17,316 $3.0M No change
CVS CVS Health Corp. 0.28% 42,352 $2.9M Reduce -3.0%
PFE Pfizer Inc. 0.26% 105,257 $2.7M Reduce -2.0%
BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP 0.25% 29,747 $2.5M No change
LNC Lincoln National Corp. 0.24% 66,793 $2.4M No change
EFA iShares MSCI Eafe ETF 0.23% 29,005 $2.4M No change
VZ Verizon Communications Inc. 0.23% 50,305 $2.3M Reduce -0.8%
NVEE NV5 Global Inc. 0.22% 117,100 $2.3M No change
HSY The Hershey Co. 0.22% 13,072 $2.2M Add +89.6%
SHW The Sherwin-Williams Co. 0.22% 6,335 $2.2M Add +4.1%
ENB Enbridge Inc. 0.21% 47,156 $2.1M Reduce -1.9%
VRTX Vertex Pharmaceuticals Inc. 0.20% 4,177 $2.0M No change
HDV iShares Core High Dividend E 0.19% 16,180 $2.0M No change
IJR iShares Core S&P Small-Cap E 0.19% 18,041 $1.9M Add +17.6%
CL Colgate-Palmolive Co. 0.18% 19,638 $1.8M Reduce -1.3%
KMB Kimberly-Clark Corp. 0.18% 12,653 $1.8M Reduce -5.4%
OABI Omniab Inc. 0.18% 742,700 $1.8M Reduce -7.5%
GD General Dynamics Corp. 0.17% 6,131 $1.7M Reduce -6.3%
CARR Carrier Global Corp. 0.14% 22,553 $1.4M Reduce -2.2%
AXP American Express Co. 0.13% 4,853 $1.3M Reduce -6.9%
ALDX Aldeyra Therapeutics Inc. 0.13% 223,094 $1.3M Add +14.4%
OTIS Otis Worldwide Corp. 0.11% 11,265 $1.2M Reduce -9.3%
SHOP Shopify Inc. Class A 0.11% 11,790 $1.1M No change
GEV GE Vernova Inc. 0.10% 3,442 $1.1M Reduce -12.1%
VRNS Varonis Systems Inc. 0.10% 25,612 $1.0M No change
D Dominion Energy Inc. 0.10% 17,369 $974K Reduce -2.3%

Show all 153 holdings

Portfolio Sells Q4 2024 → Q1 2025
NVDA Nvidia Corp. Reduce -3.1% 7.32% −1.81
MSFT Microsoft Corp. Reduce -1.0% 5.99% −0.63
GOOG Alphabet Inc. Class C Reduce -1.1% 2.50% −0.51
AAPL Apple Inc. Reduce -1.5% 3.73% −0.43
GOOGL Alphabet Inc. Class A Reduce -1.0% 1.72% −0.35
ISRG Intuitive Surgical Inc. Reduce -2.5% 4.15% −0.23
IRM Iron Mountain Inc. Reduce -17.4% 0.45% −0.20
FLS Flowserve Corp. Reduce -18.2% 0.34% −0.14
DIS The Walt Disney Co. Reduce -3.7% 0.76% −0.11
OABI Omniab Inc. Reduce -7.5% 0.18% −0.10
IWM iShares Russell 2000 ETF Reduce -15.3% 0.35% −0.10
IWR iShares Russell Mid-Cap ETF Reduce -4.0% 1.40% −0.08
HD Home Depot Inc. Reduce -0.1% 2.17% −0.08
TMO Thermo Fisher Scientific Inc. Reduce -6.7% 0.72% −0.07
TSLA Tesla Inc. Reduce -53.1% 0.03% −0.07
STT State Street Corp. Reduce -0.0% 0.88% −0.06
VWO Vanguard Ftse Emerging Marke Reduce -10.8% 0.59% −0.04
UNH Unitedhealth Group Inc. Sold out 0.00% −0.03
QCOM Qualcomm Inc. Reduce -5.8% 0.70% −0.03
PEP Pepsico Inc. Reduce -2.8% 1.26% −0.02
BAC Bank of America Corp. Reduce -0.7% 0.65% −0.02
TXN Texas Instruments Inc. Sold out 0.00% −0.02
WFC Wells Fargo & Co. Sold out 0.00% −0.02
FXAIX Fidelity 500 Index Fund Reduce -28.9% 0.05% −0.02
GEV GE Vernova Inc. Reduce -12.1% 0.10% −0.02
AXP American Express Co. Reduce -6.9% 0.13% −0.02
PAYX Paychex Inc. Reduce -51.0% 0.02% −0.02
DHR Danaher Corp. Reduce -21.1% 0.03% −0.01
HON Honeywell International Inc. Reduce -28.4% 0.03% −0.01
PFE Pfizer Inc. Reduce -2.0% 0.26% −0.01
CARR Carrier Global Corp. Reduce -2.2% 0.14% −0.01
SYY Sysco Corp. Reduce -2.1% 0.57% −0.01
SLB SLB Ltd. Reduce -22.9% 0.05% −0.01
CAT Caterpillar Inc. Reduce -2.2% 0.07% −0.01
SPGI S&P Global Inc. Reduce -12.5% 0.06% −0.01
VTSAX VNGD Mrngst TS MK Idx FD-Adm Reduce -18.9% 0.02% −0.01
WSO Watsco Inc. Reduce -23.4% 0.03% −0.00
AMT American Tower Corp. Reduce -23.5% 0.04% −0.00
UNP Union Pacific Corp. Reduce -13.6% 0.03% −0.00
TJX TJX Companies Inc. Reduce -13.3% 0.02% −0.00
LIN Linde PLC Reduce -18.9% 0.03% −0.00
MKC McCormick & Co.-Non VTG SHRS Reduce -14.5% 0.04% −0.00
INTU Intuit Inc. Reduce -4.1% 0.04% −0.00
GD General Dynamics Corp. Reduce -6.3% 0.17% −0.00
GEHC GE Healthcare Technology Reduce -4.1% 0.04% +0.00
LGND Ligand Pharmaceuticals Reduce -0.1% 0.31% +0.00
MA Mastercard Inc. Class A Reduce -2.0% 0.04% +0.00
SYK Stryker Corp. Reduce -5.4% 0.56% +0.00
AWK American Water Works Co. Inc. Reduce -12.6% 0.04% +0.00
CMCSA Comcast Corp. Class A Reduce -0.4% 0.53% +0.00

Portfolio Buys Q4 2024 → Q1 2025
ABT Abbott Laboratories Add +3.1% 1.79% +0.35
ZS Zscaler Inc. Add +32.8% 0.94% +0.31
SO The Southern Co. Add +52.4% 0.58% +0.25
BRK.B Berkshire Hathaway Inc. Class B Add +2.5% 1.09% +0.21
SHEL Shell PLC-ADR Add +1.2% 1.04% +0.18
V Visa Inc. Class A Add +2.0% 1.30% +0.18
COST Costco Wholesale Corp. Add +2.0% 2.10% +0.15
CVX Chevron Corp. Add +2.6% 0.83% +0.15
REGN Regeneron Pharmaceuticals Add +52.9% 0.45% +0.13
HSY The Hershey Co. Add +89.6% 0.22% +0.11
LLY Eli Lilly & Co. Add +6.4% 0.72% +0.10
JPM JPMorgan Chase & Co. Add +0.8% 1.72% +0.09
MDY State Street SPDR S&P Midcap Add +17.6% 0.33% +0.04
NEE Nextera Energy Inc. Add +2.6% 0.97% +0.04
ALDX Aldeyra Therapeutics Inc. Add +14.4% 0.13% +0.03
FDX FedEx Corp. Add +17.6% 0.73% +0.03
ITW Illinois Tool Works Add +1.9% 1.10% +0.02
SHW The Sherwin-Williams Co. Add +4.1% 0.22% +0.02
IJR iShares Core S&P Small-Cap E Add +17.6% 0.19% +0.02
APA Apa Corp. Add +10.2% 0.55% +0.02
DVN Devon Energy Corp. Add +16.7% 0.05% +0.01
SPY SS SPDR S&P 500 ETF Trust-US Add +5.4% 0.44% +0.01
FCX Freeport-McMoran Inc. Add +19.6% 0.05% +0.01
VEA Vanguard Ftse Developed ETF Add +0.8% 0.09% +0.01
ADI Analog Devices Inc. Add +4.3% 0.48% +0.01
WMT Walmart Inc. Add +0.9% 1.23% +0.01
VTI VG Morningstar TS MKT ETF-US Add +10.1% 0.03% +0.00
UPS United Parcel Service Class B Add +11.8% 0.51% +0.00
LOW Lowe's Cos Inc. Add +3.1% 0.37% −0.00
AMZN Amazon.com Inc. Add +11.9% 0.60% −0.00
ADBE Adobe Inc. Add +4.3% 0.04% −0.00
AMAT Applied Materials Inc. Add +5.0% 0.45% −0.02
DXCM Dexcom Inc. Add +2.1% 0.38% −0.03
GNRC Generac Holdings Inc. Add +4.1% 0.30% −0.04
EMR Emerson Electric Co. Add +3.0% 1.04% −0.07
MRK Merck & Co. Inc. Add +0.6% 1.12% −0.08
ORCL Oracle Corp. Add +2.5% 1.64% −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