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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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  3. Two Sigma Investments
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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
1-YearTWR
+27.51%
since 2024Q4
3-Year
—
insufficient history
5-Year
—
insufficient history
10-Year
—
insufficient history

Performance overview

We mark Two Sigma Investments's disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). Two’s portfolio is 27.5% over the last 12 months · 136.3% since 2016Q1.

Portfolio growth vs SPY
Rebased to 100 at 2021Q2 · through 2025Q4
Two Sigma Investments
+80.7%
SPY
+69.5%
Alpha
+11.1pp
741031321601892021Q22023Q32025Q4
Portfolio line is the GIPS-compliant time-weighted return chain-linked across the manager's quarterly 13F filings — unaffected by capital flows. Quarters with insufficient held-through coverage are skipped, which can briefly flatten the line.
Capital flow per quarter
BuysSellsNet
+$19.41B+$9.71B$0-$9.71B-$19.41B'20Q2'20Q3'20Q4'21Q1'21Q2'21Q3'21Q4'22Q1'22Q2'22Q3'22Q4'23Q1'23Q2'23Q3'23Q4'24Q1
Latest · 2024Q1
-$3.65B
Lifetime buys
$219.25B
Lifetime sells
$202.75B
Portfolio over time
AUMPositions
$0$13.67B$27.33B$41.41B30271823'20Q2'22Q1'24Q1
QoQ AUM
-1.5%
16Q lifetime AUM
+130.2%
QoQ positions
-118
16Q lifetime positions
+968
Position concentration
2909 positions
Top 1
4%
of book
  • Top 14%$1.43BSPY
  • Top 2-53%$1.16BQQQ, MU, NFLX
  • Top 6-103%$1.26BGOOGL, PYPL, CRWD
  • Top 11-206%$2.33BHOOD, HUM, WMT
  • Rest85%$34.63BRest of port