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John Overdeck Two Sigma Investments
AUM
$138B
Turnover
29.02%
1-Year Est. Return
41.87%
John Overdeck is a co-founder of Two Sigma Investments, one of the world’s leading quantitative and technology-driven investment firms. Two Sigma applies data science, machine learning, and large-scale computing to markets across asset classes. Overdeck’s firm is a central reference point in discussions of modern systematic investing.
This Fund
S&P 500
This Quarter Est. Return
+21.14%
1 Year Est. Return
+41.87%
3 Year Est. Return
+122.61%
5 Year Est. Return
+129.48%
10 Year Est. Return
+649.67%
AUM
$138B
AUM Growth
+$14.2B
(+11%)
Cap. Flow
-$5.38B
Cap. Flow % of AUM
Cap. Flow %
-3.9%
Top 10 Holdings %
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572
Avg Time Held
Equity + Options
1.4
years
Top 10 Avg Time Held
Equity + Options
0.2
years
Top 20 Avg Time Held
Equity + Options
0.2
years
Avg Time Held Equity only
1.7
years
Top 10 Avg Time Held Equity only
0.2
years
Top 20 Avg Time Held Equity only
0.2
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Intuit
INTU
|
+$753M |
| 2 |
Boston Scientific
BSX
|
+$540M |
| 3 |
Dow Inc
DOW
|
+$485M |
| 4 |
Wells Fargo
WFC
|
+$457M |
| 5 |
Goldman Sachs
GS
|
+$378M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.32B |
| 2 |
NVIDIA
NVDA
|
+$1.02B |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$787M |
| 4 |
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.7% |
| 2 | Financials | 15.22% |
| 3 | Miscellaneous | 12.05% |
| 4 | Healthcare | 11.94% |
| 5 | Industrials | 11.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1976
PayPal
PYPL
$49.4B
| $5.52M | ﹤0.01% |
127,785
-53,407
| -29% | -$2.43M |
2025 Q3
3 quarters
|
|
1977
Geron
GERN
$765M
| $5.51M | ﹤0.01% |
4,308,013
+2,418,545
| +128% | +$3.41M |
2025 Q3
3 quarters
|
|
1978
Crane Harbor Acquisition Corp II
CRAN
$473M
| $5.51M | ﹤0.01% |
543,750
| – | – |
2026 Q1
1 quarter
|
|
1979
Global X Cloud Computing ETF
CLOU
$420M
| $5.51M | ﹤0.01% |
242,100
-11,600
| -5% | -$251K |
2024 Q4
6 quarters
|
|
1980
Commercial Vehicle Group
CVGI
$114M
| $5.5M | ﹤0.01% |
1,191,537
-18,491
| -2% | -$86.7K |
2022 Q4
14 quarters
|
|
1981
Infinite Eagle Acquisition Corp
IEAG
$436M
| $5.5M | ﹤0.01% |
543,750
| – | – |
2026 Q1
1 quarter
|
|
1982
Oportun Financial
OPRT
$427M
| $5.5M | ﹤0.01% |
963,560
+1,919
| +0.2% | +$10.3K |
2021 Q4
18 quarters
|
|
1983
Galata Acquisition Corp II
LATA
| $5.5M | ﹤0.01% |
543,750
| – | – |
2025 Q4
2 quarters
|
|
1984
SES AI
SES
$224M
| $5.48M | ﹤0.01% |
5,711,123
+3,721,104
| +187% | +$4.05M |
2024 Q3
7 quarters
|
|
1985
UroGen Pharma
URGN
$1.74B
| $5.48M | ﹤0.01% |
148,963
-28,938
| -16% | -$784K |
2023 Q2
12 quarters
|
|
1986
North American Construction
NOA
$312M
| $5.48M | ﹤0.01% |
411,820
+98,947
| +32% | +$1.4M |
2022 Q4
14 quarters
|
|
1987
Apex Treasury Corp
APXT
$466M
| $5.46M | ﹤0.01% |
543,750
| – | – |
2025 Q4
2 quarters
|
|
1988
Liberty Energy
LBRT
$2.76B
| $5.45M | ﹤0.01% |
+208,280
| New | +$6.23M |
2026 Q2
0 quarters
|
|
1989
PUT
Bloom Energy
BE
$71B
| $5.45M | ﹤0.01% |
18,000
-17,400
| -49% | -$4.46M |
2025 Q3
3 quarters
|
|
1990
Flywire
FLYW
$2.31B
| $5.45M | ﹤0.01% |
310,015
+118,315
| +62% | +$1.75M |
2025 Q1
5 quarters
|
|
1991
Karbon Capital Partners Corp
KBON
$443M
| $5.45M | ﹤0.01% |
539,186
| – | – |
2026 Q1
1 quarter
|
|
1992
Vistra
VST
$53.2B
| $5.44M | ﹤0.01% |
34,318
-5,316
| -13% | -$825K |
2024 Q3
7 quarters
|
|
1993
PUT
Eos Energy Enterprises
EOSE
$615M
| $5.44M | ﹤0.01% |
925,700
| – | – |
2025 Q2
4 quarters
|
|
1994
Meshflow Acquisition Corp
MESH
$435M
| $5.44M | ﹤0.01% |
543,750
| – | – |
2026 Q1
1 quarter
|
|
1995
Principal Financial Group
PFG
$23.2B
| $5.44M | ﹤0.01% |
50,500
-254,287
| -83% | -$25.8M |
2024 Q2
8 quarters
|
|
1996
KRAKacquisition Corp
KRAQ
$432M
| $5.44M | ﹤0.01% |
543,750
| – | – |
2026 Q1
1 quarter
|
|
1997
10x Genomics
TXG
$9.9B
| $5.44M | ﹤0.01% |
141,776
-260,651
| -65% | -$6.83M |
2022 Q1
17 quarters
|
|
1998
iShares China Large-Cap ETF
FXI
$3.8B
| $5.43M | ﹤0.01% |
+171,819
| New | +$6.12M |
2026 Q2
0 quarters
|
|
1999
EA Bridgeway Omni Small-Cap Value ETF
BSVO
$2.42B
| $5.43M | ﹤0.01% |
185,900
+7,600
| +4% | +$210K |
2025 Q3
3 quarters
|
|
2000
SSR Mining
SSRM
$6.38B
| $5.42M | ﹤0.01% |
191,531
+51,449
| +37% | +$1.57M |
2023 Q4
10 quarters
|
|
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John Overdeck's Q2 2026 Portfolio in Review
As of Q2 2026, John Overdeck held 5,589 positions worth $138B, up 11% from $124B the previous quarter. Its ten largest holdings account for 8.3% of the portfolio.
John Overdeck withdrew a net $5.38B in Q2 2026, closing 572 positions and reducing 1,756 holdings. Its most notable exit was State Street Technology Select Sector SPDR ETF, an estimated $172M position sold in full.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Financials and Miscellaneous.
Against the trend, John Overdeck opened a new position in Intuit worth $564M.
- John Overdeck's largest Q2 2026 buy was Intuit: 2,161,507 shares worth $564M.
- John Overdeck added most to Boston Scientific in Q2 2026, an estimated $540M increase.
- John Overdeck's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.32B.
- John Overdeck fully exited State Street Technology Select Sector SPDR ETF in Q2 2026, selling an estimated $172M.
- John Overdeck's ten largest holdings make up 8.3% of its $138B portfolio in Q2 2026.
- John Overdeck opened 1,050 new positions and closed 572 in Q2 2026.
- John Overdeck's portfolio value rose 11% quarter-over-quarter to $138B.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.