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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  1. Home/
  2. Super Investors/
  3. Two Sigma Investments
  • Overview
  • Portfolio3.5k
  • Performance40Q
  • Options574
  • Activity112k
  • News
Quant Hedge Fund · CIK 0001179392

Two Sigma Investments

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  • Concentrated
  • Large Fund

Two Sigma Investments, a quant hedge fund overseeing $67.06B in disclosed equity holdings (SEC CIK 0001179392). The latest portfolio (2025Q4) discloses 3467 positions across 11 sectors, with the largest positions in XLY, XLK and VUG. On a mark-to-market basis the tracked portfolio has returned 27.5% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Two's filingsView holdings↓
Portfolio
$67.06B
Positions
3467
Quarter
2025Q4
Filings tracked
40
1Y+27.5%Since filing+136.3%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1
Biggest winner since filing
AMATAKAMAI TECHNOLOGIES INC
+360.4%
+$636.5M
Biggest loser since filing
BKNGBOOKING HOLDINGS INC
-96.4%
−$156.5M

Investment strategy

Two Sigma Investments is a large fund with a concentrated portfolio. Top 3 positions are 45% of the equity book.

Embed this chart
Paste this iframe anywhere to embed the live XLY chart.
<iframe src="https://openstocks.me/embed/stocks/XLY" width="100%" height="480" frameborder="0" loading="lazy" title="XLY chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Preview: https://openstocks.me/embed/stocks/XLY

Holdings

11 sectors
1200 positions
Top 3 = 2% of book · XLY, XLK, VUG
View full portfolio →

Performance

vs SPY
40 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
View performance →

Options & derivatives

Bearish bets
574 option positions
Largest: PUT LITE ($133.7M notional)
View options →

Activity & trades

Quarter-by-quarter
Last move 2025Q4
SOLD RR — and 4 more recent moves.
View activity →

Recent transactions

See full activity →
SOLD
Two Sigma Investments exited RR
RICHTECH ROBOTICS INC
−35,473
~$4.29 · 2025Q4
2026-02-17
TRIM
Two Sigma Investments trimmed REYN
REYNOLDS CONSUMER PRODS INC
−433,264
~$22.92 · 2025Q4
2026-02-17
ADD
Two Sigma Investments added to RGP
RESOURCES CONNECTION INC
+27,199
~$5.04 · 2025Q4
2026-02-17
ADD
Two Sigma Investments added to RF
REGIONS FINANCIAL CORP NEW
+1,604,411
~$27.10 · 2025Q4
2026-02-17
ADD
Two Sigma Investments added to RRC
RANGE RES CORP
+205,711
~$35.26 · 2025Q4
2026-02-17
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