Institutional 13F data
Two Sigma Investments, LP 13F
See 3,650 stock and ETF positions for Q1 2026, including 2,484 new or increased positions and 1,408 reductions or exits, with the original SEC filing. Put and call options are excluded.
13F filing follow-along calculator
If KRW 1,000,000 followed the new and increased positions
Checking current prices and calculating the KRW 1,000,000 result.
Two Sigma Investments, LP 13F top holdings
Q1 2026 · 3,650 stock & ETF positions · Filed 2026-05-15 · Data updated 2026-07-07
View original SEC filings ↗Ranked by quarter-end stock and ETF value reported on Form 13F. Put and call options are excluded. These are not current market values or execution prices.
- Reported stock & ETF value
- $118.11B
- Top 10 concentration
- 9.8%
- Reported value
- $1.96B
- Portfolio weight
- 1.67%
Quarterly change: increased +831.8%
- Reported value
- $1.51B
- Portfolio weight
- 1.29%
Quarterly change: increased +566.5%
- Reported value
- $1.32B
- Portfolio weight
- 1.13%
Quarterly change: increased +451.7%
- Reported value
- $1.27B
- Portfolio weight
- 1.09%
Quarterly change: increased +16686.5%
- Reported value
- $1.08B
- Portfolio weight
- 0.92%
Quarterly change: increased +412.5%
- Reported value
- $973.93M
- Portfolio weight
- 0.83%
Quarterly change: increased +733.9%
- Reported value
- $940.65M
- Portfolio weight
- 0.80%
Quarterly change: increased +311.1%
- Reported value
- $871.67M
- Portfolio weight
- 0.74%
Quarterly change: increased +237.6%
- Reported value
- $837.35M
- Portfolio weight
- 0.71%
Quarterly change: increased +212.0%
- Reported value
- $836.98M
- Portfolio weight
- 0.71%
Quarterly change: increased +279.4%
- Reported value
- $817.33M
- Portfolio weight
- 0.70%
Quarterly change: increased +228.7%
#12LMTLOCKHEED MARTIN CORP
- Reported value
- $815.43M
- Portfolio weight
- 0.70%
Quarterly change: increased +178.5%
Largest new or increased positions
- Reported value
- $1.96B
- Portfolio weight
- 1.67%
Quarterly change: increased +831.8%
- Reported value
- $1.51B
- Portfolio weight
- 1.29%
Quarterly change: increased +566.5%
- Reported value
- $1.32B
- Portfolio weight
- 1.13%
Quarterly change: increased +451.7%
- Reported value
- $1.27B
- Portfolio weight
- 1.09%
Quarterly change: increased +16686.5%
- Reported value
- $1.08B
- Portfolio weight
- 0.92%
Quarterly change: increased +412.5%
- Reported value
- $973.93M
- Portfolio weight
- 0.83%
Quarterly change: increased +733.9%
- Reported value
- $940.65M
- Portfolio weight
- 0.80%
Quarterly change: increased +311.1%
- Reported value
- $871.67M
- Portfolio weight
- 0.74%
Quarterly change: increased +237.6%
Latest 13F filing snapshot
- Reporting period
- 2026-03-31
- Filed
- 2026-05-15
- Stock & ETF positions
- 3,650
- New or increased
- 2,484
- Reduced or exited
- 1,408
- Unchanged
- 179
Top reported buys
MQBANDEVCAPPS
Counts cover unique stock and ETF positions and exclude put and call options, so they can differ from the SEC information-table row count. Form 13F reports quarter-end holdings and does not reveal every trade date or execution price.
View original SEC filings ↗Detailed changes for published stocks
2026-03-31 · ATOM · increased +192.3%
- Shares
- 530,000
- Share change
- 348,679
- Reported value
- $2,019,300
- Filed
- 2026-05-15
ATOMSEC EDGAR ↗2026-03-31 · GTLB · increased +2007.5%
- Shares
- 3,265,975
- Share change
- 3,111,006
- Reported value
- $70,675,699
- Filed
- 2026-05-15
GTLBSEC EDGAR ↗2026-03-31 · LMAT · increased +96.8%
- Shares
- 281,978
- Share change
- 138,696
- Reported value
- $30,783,538
- Filed
- 2026-05-15
LMATSEC EDGAR ↗2026-03-31 · LTH · increased +75.2%
- Shares
- 3,840,204
- Share change
- 1,648,307
- Reported value
- $103,455,096
- Filed
- 2026-05-15
LTHSEC EDGAR ↗2026-03-31 · MESO · decreased -30.9%
- Shares
- 39,802
- Share change
- -17,799
- Reported value
- $612,155
- Filed
- 2026-05-15
MESOSEC EDGAR ↗2026-03-31 · NKTR · increased +96.8%
- Shares
- 930,741
- Share change
- 457,803
- Reported value
- $66,966,815
- Filed
- 2026-05-15
NKTRSEC EDGAR ↗2026-03-31 · RDW · increased +202.0%
- Shares
- 3,051,043
- Share change
- 2,040,764
- Reported value
- $25,933,866
- Filed
- 2026-05-15
RDWSEC EDGAR ↗2026-03-31 · SAH · increased +51.0%
- Shares
- 237,333
- Share change
- 80,159
- Reported value
- $16,273,924
- Filed
- 2026-05-15
SAHSEC EDGAR ↗2026-03-31 · SNAP · decreased -24.7%
- Shares
- 13,041,250
- Share change
- -4,277,807
- Reported value
- $59,989,750
- Filed
- 2026-05-15
SNAPSEC EDGAR ↗