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
FTNTFORTINET INC
+114.8%
+$106.0M
Biggest loser since filing
BKNGBOOKING HOLDINGS INC
-95.3%
−$63.6M
Investment strategy
Jonathan Auerbach is a boutique with a concentrated portfolio tilted toward technology names. 48% of the disclosed equity book is in Technology.
Embed this chart
Paste this iframe anywhere to embed the live FTNT chart.
<iframe src="https://openstocks.me/embed/stock/FTNT" width="100%" height="480" frameborder="0" loading="lazy" title="FTNT chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Holdings
4 sectors16 positions
Top 3 = 60% of book · FTNT, IBIT, BKNG
View full portfolio →
Performance
vs SPY40 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
View performance →
Options & derivatives
No options
Jonathan Auerbach has no PUT or CALL positions disclosed in this quarter's 13F.
View options →
Activity & trades
Quarter-by-quarterLast move 2025Q4
TRIM MHK — and 4 more recent moves.
View activity →
Recent transactions
See full activity →
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