Family Office · CIK 0000898382

Leon Cooperman

Omega Family Office
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Leon Cooperman runs Omega Family Office, a family office overseeing $3.01B in disclosed equity holdings (SEC CIK 0000898382). The latest portfolio (2025Q4) discloses 40 positions across 10 sectors, with the largest positions in RKT, VRT and ET. On a mark-to-market basis the tracked portfolio has returned 30.8% over the past year. OpenStocks tracks 33 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Portfolio
$3.01B
Positions
40
Quarter
2025Q4
Filings tracked
33
1Y+30.8%3Y+136.3%5Y+181.8%Full performance →
Biggest winner since filing
GOOGLALPHABET INC
+109.3%
+$114.1M
Biggest loser since filing
MIRMIRION TECHNOLOGIES INC
-98.7%
−$10.67B

Investment strategy

Leon Cooperman is a mid-size fund. Disclosed equity book is between $1B and $10B.

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Holdings

11 sectors
51 positions
Top 3 = 25% of book · 07WA, ET, APO
View full portfolio →

Performance

vs SPY
33 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
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Options & derivatives

No options
Leon Cooperman has no PUT or CALL positions disclosed for this quarter.
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Activity & trades

Quarter-by-quarter
Last move 2025Q4
ADD G3398L118 — and 4 more recent moves.
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Recent transactions

See full activity →
ADD
FIDELIS INSURANCE HOLDINGS L
+379,282
~$19.57 · 2025Q4
2026-02-17
TRIM
ARBOR REALTY TRUST INC
140,000
~$7.76 · 2025Q4
2026-02-17
SOLD
ARRIVENT BIOPHARMA INC
421,278
~$18.45 · 2025Q4
2026-02-17
TRIM
ATLAS ENERGY SOLUTIONS INC
312,889
~$9.42 · 2025Q4
2026-02-17
TRIM
DIAMEDICA THERAPEUTICS INC
1,249,761
~$7.96 · 2025Q4
2026-02-17