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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
+649.66%
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 | |
|---|---|---|---|---|---|---|---|
3001
Park National Corp
PRK
$3.3B
| $1.82M | ﹤0.01% |
9,945
+7,997
| +411% | +$1.38M |
2026 Q1
1 quarter
|
|
3002
Yelp
YELP
$1.12B
| $1.82M | ﹤0.01% |
74,071
+15,571
| +27% | +$388K |
2026 Q1
1 quarter
|
|
3003
White Pearl Acquisition Corp
WPAC
$158M
| $1.82M | ﹤0.01% |
181,250
| – | – |
2026 Q1
1 quarter
|
|
|
ALPXU
3004
Alpex Acquisition Corp Unit
ALPXU
| $1.82M | ﹤0.01% |
+181,250
| New | +$1.81M |
2026 Q2
0 quarters
|
|
3005
Invitation Homes
INVH
$16.3B
| $1.81M | ﹤0.01% |
+60,036
| New | +$1.7M |
2026 Q2
0 quarters
|
|
3006
Invesco S&P 500 Equal Weight Energy ETF
RSPG
$659M
| $1.81M | ﹤0.01% |
+18,500
| New | +$1.92M |
2026 Q2
0 quarters
|
|
3007
PUT
Fastenal
FAST
$60.3B
| $1.81M | ﹤0.01% |
37,700
+18,700
| +98% | +$849K |
2025 Q3
3 quarters
|
|
3008
Future Money Acquisition Corp
FMAC
$160M
| $1.81M | ﹤0.01% |
+181,250
| New | +$1.81M |
2026 Q2
0 quarters
|
|
3009
Invesco S&P SmallCap Low Volatility ETF
XSLV
$239M
| $1.81M | ﹤0.01% |
34,500
-11,000
| -24% | -$549K |
2023 Q2
12 quarters
|
|
3010
XFLH Capital Corp
XFLH
$142M
| $1.81M | ﹤0.01% |
181,250
| – | – |
2026 Q1
1 quarter
|
|
3011
Quantum Computing Inc
QUBT
$1.49B
| $1.81M | ﹤0.01% |
186,284
-197,968
| -52% | -$1.93M |
2026 Q1
1 quarter
|
|
3012
Knowles
KN
$2.83B
| $1.8M | ﹤0.01% |
43,500
+25,400
| +140% | +$882K |
2026 Q1
1 quarter
|
|
3013
American International
AIG
$43.3B
| $1.8M | ﹤0.01% |
24,205
-71,975
| -75% | -$5.47M |
2024 Q3
7 quarters
|
|
3014
Avantis US Mid Cap Value ETF
AVMV
$793M
| $1.8M | ﹤0.01% |
+22,400
| New | +$1.76M |
2026 Q2
0 quarters
|
|
3015
APEX Tech Acquisition Inc
TRAD
$147M
| $1.8M | ﹤0.01% |
+181,250
| New | +$1.8M |
2026 Q2
0 quarters
|
|
3016
ING
ING
$91.8B
| $1.8M | ﹤0.01% |
57,456
+21,086
| +58% | +$624K |
2026 Q1
1 quarter
|
|
3017
GalaxyEdge Acquisition Corp
GLED
$161M
| $1.8M | ﹤0.01% |
+181,250
| New | +$1.8M |
2026 Q2
0 quarters
|
|
3018
Vernal Capital Acquisition Corp
VECA
| $1.8M | ﹤0.01% |
+181,250
| New | +$1.8M |
2026 Q2
0 quarters
|
|
3019
United Acquisition Corp I
UAC
$139M
| $1.8M | ﹤0.01% |
181,250
| – | – |
2026 Q1
1 quarter
|
|
3020
BancFirst
BANF
$3.76B
| $1.8M | ﹤0.01% |
16,199
+10,471
| +183% | +$1.17M |
2026 Q1
1 quarter
|
|
3021
BHAV Acquisition Corp
BHAV
$142M
| $1.8M | ﹤0.01% |
+181,250
| New | +$1.8M |
2026 Q2
0 quarters
|
|
3022
MaxCyte
MXCT
$153M
| $1.8M | ﹤0.01% |
1,462,941
+854,779
| +141% | +$852K |
2025 Q4
2 quarters
|
|
3023
West Enclave Merger Corp
WENC
| $1.8M | ﹤0.01% |
+181,250
| New | +$1.8M |
2026 Q2
0 quarters
|
|
3024
Northern Trust US Quality Large Cap ETF
QLC
$1.12B
| $1.8M | ﹤0.01% |
+20,000
| New | +$1.74M |
2026 Q2
0 quarters
|
|
3025
PUT
CAVA Group
CAVA
$6.32B
| $1.8M | ﹤0.01% |
22,900
-17,100
| -43% | -$1.43M |
2025 Q3
3 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.