Skip to content

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
$1.51B
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%

#9
TJXTJX COS INC NEW
Reported value
$837.35M
Portfolio weight
0.71%

Quarterly change: increased +212.0%

#11
TMUST-MOBILE US INC
Reported value
$817.33M
Portfolio weight
0.70%

Quarterly change: increased +228.7%

#12
LMTLOCKHEED MARTIN CORP
Reported value
$815.43M
Portfolio weight
0.70%

Quarterly change: increased +178.5%

Largest new or increased positions

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%

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 ↗