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Focused investors/Seth Klarman

Seth Klarman - Baupost Group

As of Q2 2026, Seth Klarman reported 23 long-equity positions worth $5.42B in aggregate.

Copy-investor backtest

Latest quarter
+3.22%
1-year
+20.94%
3-year
+48.31%
5-year
+12.01%
3-year vs S&P 500
-25.70%
5-year vs S&P 500
-61.90%
5-year top 5
-0.29%

Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. The vs S&P 500 figures subtract SPY over that manager's own rebalance dates, so both sides cover the same days; both are price return, excluding dividends. Method & limitations.

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Updated 2026-06-06 from SEC 13F data.

Live quotes available for 7 of 28 rows. Rows without a quote are marked unavailable.

1MUMICRON TECHNOLOGY INC30.91%-51,655,434$1.77B$34.26No quote
2LNGCHENIERE ENERGY INC15.66%Add +87.0%11,199,030$896.26MNo quoteNo quote
3VSATVIASAT INC11.10%-11,533,137$635.71M$55.12No quote
4EBAYEBAY INC6.03%Add +37.4%6,096,707$345.26M$56.63No quote
5THRXTHERAVANCE INC5.92%Reduce -2.8%19,815,983$338.66MNo quoteNo quote
6KERXKERYX BIOPHARMACEUTICALS INC4.40%Add +73.6%18,300,000$251.63MNo quoteNo quote
7OCNOCWEN FINL CORP3.20%New7,001,700$183.31MNo quoteNo quote
8PBFPBF ENERGY INC3.00%Add +27.7%7,145,418$171.49M$24.00No quote
9ARANTERO RES CORP2.65%New2,759,510$151.47M$54.89No quote
10TBPHTHERAVANCE BIOPHARMA INC2.44%-6,061,228$139.71MNo quoteNo quote
11VRTVVERITIV CORP2.07%New2,362,885$118.29MNo quoteNo quote
12CWSACITIGROUP INC2.03%-122,573,007$116.44MNo quoteNo quote
13RFMDRF MICRODEVICES INC1.97%-9,759,185$112.62MNo quoteNo quote
14TQNTTRIQUINT SEMICONDUCTOR INC1.96%-5,880,696$112.15MNo quoteNo quote
15SEMISUNEDISON SEMICONDUCTOR LTD1.40%-4,145,379$80.21MNo quoteNo quote
16IMOSCHIPMOS TECH BERMUDA LTD1.30%-3,283,235$74.27MNo quoteNo quote
17NGNOVAGOLD RES INC1.15%-21,688,300$65.72M$3.03No quote
18KOSKOSMOS ENERGY LTD0.83%-4,750,000$47.31MNo quoteNo quote
19ELOSSYNERON MEDICAL LTD0.52%Reduce -25.1%2,994,610$30.01MNo quoteNo quote
20KINKINDRED BIOSCIENCES INC0.49%Add +9.1%3,013,848$27.88MNo quoteNo quote
21AIGWSAMERICAN INTL GROUP INC0.33%-788,998$18.78MNo quoteNo quote
22AOIALLIANCE ONE INTL INC0.22%-6,383,641$12.58MNo quoteNo quote
23BYDBOYD GAMING CORP0.17%Reduce -65.0%979,476$9.95M$10.16No quote
24ALDWALON USA PARTNERS LP0.10%-329,188$5.83MNo quoteNo quote
25NCQNOVACOPPER INC0.10%Add +20.0%6,005,298$5.54MNo quoteNo quote
26AVEOAVEO PHARMACEUTICALS INC0.07%-3,829,350$4.25MNo quoteNo quote
27IDIXIDENIX PHARMACEUTICALS INC-Sold0$0No quoteNo quote

Other instruments

Bonds, warrants, or non-share principal positions reported alongside the equity portfolio.

1THRXTHERAVANCE INCNOTE 2.125% 1/1OTHER17,089,000$16.41M