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Filers›Family Office›WOODSTOCK CORP
DOSSIER · 13F-HR · Q1 2026

WOODSTOCK CORP

WOODSTOCK's family office based in New York, NY — $1.1B in tracked AUM across 156 positions as of Q1 2026.

W
WOODSTOCK·New York, NY·Family Office
CIK 0001008877 · last filed Mar 31, 2026
Total AUM
$1.1B
▼ 11.2%
vs prior
Holdings
156
—
positions
Whale Score
58
58
tracked
Activity
—
no data
changes this Q
Top sector
Financials
19% weight
concentration
AI Analysis · Q1 2026 · Q1 2026
Comprehensive Analysis of SEC 13F Filing: WOODSTOCK CORP
1. Portfolio Overview

WOODSTOCK CORP has reported a substantial expansion in its investment portfolio for the quarter ending December 31, 2025. The total portfolio value surged by 117.7%, rising from $535.19 million to $1.17 billion. This dramatic increase in AUM (Assets Under Management) suggests significant capital inflows or a consolidation of reporting entities.

The portfolio demonstrates a high degree of diversifica...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
NVDA
NVIDIA Corp
$95M546K8.5%
02
MSFT
Microsoft Corp
$59M158K5.2%
03
ORLY
O'Reilly Automotive Inc
$51M556K4.6%
04
GOOG
Alphabet Inc Class C
$45M158K4.0%
05
AAPL
Apple Inc
$43M167K3.8%
06
ISRG
Intuitive Surgical Inc
$37M81K3.3%
07
GOOGL
Alphabet Inc Class A
$32M112K2.9%
08
RTX
Rtx Corporation Com
$28M145K2.5%
09
COST
Costco Wholesale Corp
$22M22K1.9%
10
JPM
JPMorgan Chase & Co
$20M69K1.8%

Filing history

Filing history loading…
AI Agent · grounded in WOODSTOCK
haiku-4-5 · 156 positions indexed
Sector mix
  • Financials19%
  • Cons. Disc.4%
  • Communications11%
  • Industrials7%
  • Energy25%
  • Other34%
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