13F Insight
DOSSIER · 13F-HR · Q1 2026

Overbrook Management Corp

$529M in tracked AUM across 51 positions as of Q1 2026.

OM
CIK 0001269786 · last filed Mar 31, 2026
Total AUM
$529M
as of Q1 2026
Holdings
51
—
positions
Whale Score
55
55
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive SEC 13F Analysis: Overbrook Management Corp
1. Portfolio Overview

Overbrook Management Corp has undergone a significant transformation in the quarter ending December 31, 2025. The firm executed a aggressive expansion strategy, growing the total portfolio value by 71.7%, rising from $337.50M to $579.33M. This growth was not merely a result of market appreciation but was driven by substantial capital deployment, evidenced by the initiation of 24 new positions.

...

2. Key Holdings

The portfolio is heavily anchored in the "Magnificent Seven" and leading technology mega-caps, which dominate the top tier of holdings.

  • NVIDIA (NVDA) remains the largest position, comprising 10.21% of the portfolio ($59.15M). Despite a minor reduction of 0.3%, it remains the core holding.
  • Microsoft (MSFT) and Amazon (AMZN) were initiated as massive new positions, immediately securing the 2nd and 6th spots, with values of $42.33M (7.31%) and $33.60M (5.80%), respectively.
  • Alphabet Inc. and Apple (AAPL) also feature prominently in the top tier. Notably, the firm holds both Class A (GOOGL) and Class C (GOOG) shares, with a combined value of roughly $45.34M. Apple was also a new initiation worth $28.45M.
  • Broadcom (AVGO) and Meta Platforms (META) round out the top five, with Meta seeing an increase of 18.6%.
  • Outside of technology, Eli Lilly (LLY) is a significant healthcare bet at 5.25% of the portfolio, initiated this quarter, reflecting a strong tilt toward the obesity/diabetes drug boom.

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 CORPORATION
$56M319K10.5%02
GOOG
ALPHABET INC
$38M132K7.1%03
AVGO
BROADCOM INC
$35M113K6.6%04
MSFT
MICROSOFT CORP
$30M81K5.7%05
AMZN
AMAZON COM INC
$30M144K5.7%06
META
META PLATFORMS INC
$27M47K5.1%07
AAPL
APPLE INC
$26M102K4.9%08
LLY
ELI LILLY & CO
$26M28K4.8%09
TSM
TAIWAN SEMICONDUCTOR MANUFAC
$22M65K4.1%10
ORLY
OREILLY AUTOMOTIVE INC
$20M216K3.8%

Filing history

2026Q1Mar 31
$529M▼ 8.6%
51 positionsView →2025Q4Dec 31
$579M▲ 4.2%
46 positionsView →2025Q3Sep 30
$556M▲ 3.6%
45 positionsView →2025Q2Jun 30
$536M▲ 25.9%
45 positionsLocked2025Q1Mar 31
$426M▼ 8.3%
47 positionsLocked2024Q4Dec 31
$464M▲ 6.5%
51 positionsLocked2024Q3Sep 30
$436M▲ 10.0%
54 positionsLocked2024Q2Jun 30
$396M▲ 6.5%
57 positionsLocked2024Q1Mar 31
$372M▼ 24.8%
60 positionsLocked2023Q4Dec 31
$495M▲ 15.2%
66 positionsLocked2023Q3Sep 30
$430M▲ 2.0%
64 positionsLocked2023Q2Jun 30
$421M▲ 10.3%
68 positionsLocked
Showing 12 of 88