Filed: 10/7/2025ACC: 0001062993-25-015968
📋 What this filing means
WOODSTOCK CORP filed this quarterly 13F‑HR report disclosing 157 equity positions with a total reported market value of $1.15B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
157
Positions
$1.15B
Total AUM (reported)
8.39M
Total Shares
Allocation by class
COMMON STOCK$1.11B96.1%
OTHER$44.56M3.9%
Portfolio Concentration
Top 3$252.74M21.9%
4–10$227.28M19.7%
11–25$247.87M21.5%
Rest$426.13M36.9%
Top 3 weight
21.9%
Top 10 weight
41.6%
Voting Authority Distribution
Total shares with voting rights: 8.39M
Sole
Full voting authority
8.30M
shares
% of voting shares98.9%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
88.21K
shares
% of voting shares1.1%
Investment Discretion (by position count)
Sole157
Shared0
Other0
Dominant voting typeSole · 98.9% of voting shares
Institutional Holdings157
Rows:
NVIDIA Corp
SOLEShares591.36K
TypeSH
Market value$110.34M
9.56%
Sole
590.94K
Shared
0.00
None
425.00
Microsoft Corp
SOLEShares158.57K
TypeSH
Market value$82.13M
7.12%
Sole
156.62K
Shared
0.00
None
1.95K
O'Reilly Automotive Inc
SOLEShares559.04K
TypeSH
Market value$60.27M
5.22%
Sole
557.39K
Shared
0.00
None
1.65K
Apple Inc
SOLEShares169.41K
TypeSH
Market value$43.14M
3.74%
Sole
168.11K
Shared
0.00
None
1.30K
Alphabet Inc Class C
SOLEShares161.56K
TypeSH
Market value$39.35M
3.41%
Sole
160.80K
Shared
0.00
None
760.00
Intuitive Surgical Inc
SOLEShares82.62K
TypeSH
Market value$36.95M
3.20%
Sole
82.15K
Shared
0.00
None
471.00
Oracle Corp
SOLEShares109.92K
TypeSH
Market value$30.91M
2.68%
Sole
108.85K
Shared
0.00
None
1.07K
Alphabet Inc Class A
SOLEShares113.31K
TypeSH
Market value$27.55M
2.39%
Sole
112.56K
Shared
0.00
None
760.00
Rtx Corporation Com
SOLEShares149.30K
TypeSH
Market value$24.98M
2.16%
Sole
145.73K
Shared
0.00
None
3.57K
Home Depot Inc
SOLEShares60.22K
TypeSH
Market value$24.40M
2.11%
Sole
58.98K
Shared
0.00
None
1.24K
Fortinet Inc
SOLEShares258.10K
TypeSH
Market value$21.70M
1.88%
Sole
257.55K
Shared
0.00
None
550.00
JPMorgan Chase & Co
SOLEShares68.31K
TypeSH
Market value$21.55M
1.87%
Sole
66.79K
Shared
0.00
None
1.52K
Abbvie Inc
SOLEShares92.68K
TypeSH
Market value$21.46M
1.86%
Sole
91.14K
Shared
0.00
None
1.54K
Costco Wholesale Corp
SOLEShares22.14K
TypeSH
Market value$20.49M
1.78%
Sole
22.10K
Shared
0.00
None
35.00
Abbott Laboratories
SOLEShares135.55K
TypeSH
Market value$18.16M
1.57%
Sole
134.50K
Shared
0.00
None
1.05K
Automatic Data Processing Inc
SOLEShares55.59K
TypeSH
Market value$16.32M
1.41%
Sole
54.84K
Shared
0.00
None
750.00
iShares Russell Mid-Cap ETF
SOLEShares163.71K
TypeSH
Market value$15.81M
1.37%
Sole
157.56K
Shared
0.00
None
6.15K
Idexx Laboratories Inc
SOLEShares24.22K
TypeSH
Market value$15.48M
1.34%
Sole
24.10K
Shared
0.00
None
125.00
Johnson & Johnson
SOLEShares81.03K
TypeSH
Market value$15.03M
1.30%
Sole
79.23K
Shared
0.00
None
1.80K
Zscaler Inc
SOLEShares50.02K
TypeSH
Market value$14.99M
1.30%
Sole
49.38K
Shared
0.00
None
645.00
Wal-Mart Stores Inc
SOLEShares142.27K
TypeSH
Market value$14.66M
1.27%
Sole
141.15K
Shared
0.00
None
1.13K
Exxon Mobil Corp
SOLEShares119.77K
TypeSH
Market value$13.50M
1.17%
Sole
117.47K
Shared
0.00
None
2.30K
Ecolab Inc
SOLEShares48.49K
TypeSH
Market value$13.28M
1.15%
Sole
46.69K
Shared
0.00
None
1.80K
Visa Inc CL A
SOLEShares37.76K
TypeSH
Market value$12.89M
1.12%
Sole
37.31K
Shared
0.00
None
445.00
Emerson Electric Co
SOLEShares95.80K
TypeSH
Market value$12.57M
1.09%
Sole
94.90K
Shared
0.00
None
900.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CorpSOLE | COMMON STOCK | 591.36K | SH | $110.34M 9.56% | 590.94K | 0.00 | 425.00 |
Microsoft CorpSOLE | COMMON STOCK | 158.57K | SH | $82.13M 7.12% | 156.62K | 0.00 | 1.95K |
O'Reilly Automotive IncSOLE | COMMON STOCK | 559.04K | SH | $60.27M 5.22% | 557.39K | 0.00 | 1.65K |
Apple IncSOLE | COMMON STOCK | 169.41K | SH | $43.14M 3.74% | 168.11K | 0.00 | 1.30K |
Alphabet Inc Class CSOLE | COMMON STOCK | 161.56K | SH | $39.35M 3.41% | 160.80K | 0.00 | 760.00 |
Intuitive Surgical IncSOLE | COMMON STOCK | 82.62K | SH | $36.95M 3.20% | 82.15K | 0.00 | 471.00 |
Oracle CorpSOLE | COMMON STOCK | 109.92K | SH | $30.91M 2.68% | 108.85K | 0.00 | 1.07K |
Alphabet Inc Class ASOLE | COMMON STOCK | 113.31K | SH | $27.55M 2.39% | 112.56K | 0.00 | 760.00 |
Rtx Corporation ComSOLE | COMMON STOCK | 149.30K | SH | $24.98M 2.16% | 145.73K | 0.00 | 3.57K |
Home Depot IncSOLE | COMMON STOCK | 60.22K | SH | $24.40M 2.11% | 58.98K | 0.00 | 1.24K |
Fortinet IncSOLE | COMMON STOCK | 258.10K | SH | $21.70M 1.88% | 257.55K | 0.00 | 550.00 |
JPMorgan Chase & CoSOLE | COMMON STOCK | 68.31K | SH | $21.55M 1.87% | 66.79K | 0.00 | 1.52K |
Abbvie IncSOLE | COMMON STOCK | 92.68K | SH | $21.46M 1.86% | 91.14K | 0.00 | 1.54K |
Costco Wholesale CorpSOLE | COMMON STOCK | 22.14K | SH | $20.49M 1.78% | 22.10K | 0.00 | 35.00 |
Abbott LaboratoriesSOLE | COMMON STOCK | 135.55K | SH | $18.16M 1.57% | 134.50K | 0.00 | 1.05K |
Automatic Data Processing IncSOLE | COMMON STOCK | 55.59K | SH | $16.32M 1.41% | 54.84K | 0.00 | 750.00 |
iShares Russell Mid-Cap ETFSOLE | OTHER | 163.71K | SH | $15.81M 1.37% | 157.56K | 0.00 | 6.15K |
Idexx Laboratories IncSOLE | COMMON STOCK | 24.22K | SH | $15.48M 1.34% | 24.10K | 0.00 | 125.00 |
Johnson & JohnsonSOLE | COMMON STOCK | 81.03K | SH | $15.03M 1.30% | 79.23K | 0.00 | 1.80K |
Zscaler IncSOLE | COMMON STOCK | 50.02K | SH | $14.99M 1.30% | 49.38K | 0.00 | 645.00 |
Wal-Mart Stores IncSOLE | COMMON STOCK | 142.27K | SH | $14.66M 1.27% | 141.15K | 0.00 | 1.13K |
Exxon Mobil CorpSOLE | COMMON STOCK | 119.77K | SH | $13.50M 1.17% | 117.47K | 0.00 | 2.30K |
Ecolab IncSOLE | COMMON STOCK | 48.49K | SH | $13.28M 1.15% | 46.69K | 0.00 | 1.80K |
Visa Inc CL ASOLE | COMMON STOCK | 37.76K | SH | $12.89M 1.12% | 37.31K | 0.00 | 445.00 |
Emerson Electric CoSOLE | COMMON STOCK | 95.80K | SH | $12.57M 1.09% | 94.90K | 0.00 | 900.00 |
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