Quant Hedge Fund · CIK 0001179392
Two Sigma Investments
Two Sigma Investments, a quant hedge fund overseeing $70.90B in disclosed equity holdings (SEC CIK 0001179392). The latest 13F filing (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 25.4% over the past year. OpenStocks tracks 40 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.
Portfolio
$70.90B
Positions
3467
Quarter
2025Q4
Filings tracked
40
1-Yearactual
+25.43%
since 2024Q4
3-Yearactual
+66.28%
since 2022Q4
5-Yearactual
+43.50%
since 2020Q4
10-Year
—
insufficient history
Performance overview
We mark Two Sigma Investments's disclosed 13F book to current market prices and compare its growth against the S&P 500 (SPY). Two's portfolio is 25.4% over the last 12 months · 154.7% since 2016Q1.
Portfolio growth vs SPY
Rebased to 100 at 2016Q1 · through 2025Q4
Two Sigma Investments
+248.4%
SPY
—
Portfolio line tracks reported 13F AUM (mark-to-market on filing dates). It includes inflows/outflows so it isn't a pure time-weighted return — same convention as Dataroma and StockCircle.
Capital flow per quarter
BuysSellsNet
Latest · 2025Q4
+$853M
Lifetime buys
$237.43B
Lifetime sells
$226.12B
Portfolio over time
AUMPositions
QoQ AUM
+3.0%
16Q lifetime AUM
+101.5%
QoQ positions
+118
16Q lifetime positions
+967
Position concentration
2909 positions