Hedge Fund · CIK 0001353316
Jonathan Auerbach
Hound Partners
Jonathan Auerbach runs Hound Partners, a hedge fund overseeing $743.2M in disclosed equity holdings (SEC CIK 0001353316). The latest 13F filing (2025Q4) discloses 36 positions across 8 sectors, with the largest positions in CCL, PLTR and NVDA. On a mark-to-market basis the tracked portfolio has returned 28.3% over the past year. OpenStocks tracks 40 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.
Portfolio
$743.22M
Positions
36
Quarter
2025Q4
Filings tracked
40
Biggest winner since filing
KEXKIRBY CORP
+119.5%
+$25.0M
Biggest loser since filing
FISFIDELITY NATL INFORMATION SV
-27.6%
−$13.1M
Investment strategy
Jonathan Auerbach is a boutique tilted toward technology names. 37% of the disclosed equity book is in Technology.
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4 sectors16 positions
Top 3 = 38% of book · BIO, QQQ, MSFT
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Performance
vs SPY40 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
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Options & derivatives
No options
Jonathan Auerbach has no PUT or CALL positions disclosed in this quarter's 13F.
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Activity & trades
Quarter-by-quarterLast move 2025Q4
TRIM MHK — and 4 more recent moves.
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Recent transactions
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NEW
ALLIANCE LAUNDRY HLDGS INC
+85,000
~$20.35 · 2025Q4
2026-02-17
NEW
ISHARES TR
+2,000
~$684.94 · 2025Q4
2026-02-17
TRIM
G III APPAREL GROUP LTD
−366,905
~$28.96 · 2025Q4
2026-02-17