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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 | |
|---|---|---|---|---|---|---|---|
2926
Virgin Galactic
SPCE
$368M
| $1.99M | ﹤0.01% |
+688,737
| New | +$2.25M |
2026 Q2
0 quarters
|
|
2927
CALL
Archer Daniels Midland
ADM
$38.3B
| $1.99M | ﹤0.01% |
+26,000
| New | +$1.98M |
2026 Q2
0 quarters
|
|
2928
Tiptree Inc
TIPT
$610M
| $1.98M | ﹤0.01% |
110,658
+54,371
| +97% | +$940K |
2022 Q4
14 quarters
|
|
2929
Invesco WilderHill Clean Energy ETF
PBW
$283M
| $1.98M | ﹤0.01% |
50,816
-379,341
| -88% | -$14.8M |
2025 Q3
3 quarters
|
|
2930
PUT
Tower Semiconductor
TSEM
$18.9B
| $1.98M | ﹤0.01% |
7,600
+1,400
| +23% | +$335K |
2025 Q4
2 quarters
|
|
2931
Smart Sand
SND
$201M
| $1.98M | ﹤0.01% |
394,970
+206,814
| +110% | +$1.04M |
2026 Q1
1 quarter
|
|
2932
Dakota Gold
DC
$710M
| $1.97M | ﹤0.01% |
462,780
+268,686
| +138% | +$1.45M |
2024 Q1
9 quarters
|
|
2933
eGain
EGAN
$148M
| $1.96M | ﹤0.01% |
311,879
-66,240
| -18% | -$486K |
2025 Q4
2 quarters
|
|
2934
Finance of America Companies
FOA
$106M
| $1.96M | ﹤0.01% |
71,300
-44,144
| -38% | -$901K |
2025 Q2
4 quarters
|
|
2935
PUT
Chipotle Mexican Grill
CMG
$35.3B
| $1.96M | ﹤0.01% |
57,700
-2,200
| -4% | -$71.9K |
2025 Q4
2 quarters
|
|
|
2936
CALL
Chipotle Mexican Grill
CMG
$35.3B
| $1.96M | ﹤0.01% |
57,600
+6,800
| +13% | +$222K |
2025 Q3
3 quarters
|
|
2937
Biodesix
BDSX
$251M
| $1.96M | ﹤0.01% |
86,824
+41,593
| +92% | +$617K |
2026 Q1
1 quarter
|
|
2938
CALL
Sezzle
SEZL
$4.69B
| $1.96M | ﹤0.01% |
+11,400
| New | +$1.2M |
2026 Q2
0 quarters
|
|
2939
Backblaze
BLZE
$533M
| $1.95M | ﹤0.01% |
123,213
+107,913
| +705% | +$746K |
2023 Q3
11 quarters
|
|
2940
Palmer Square Capital BDC
PSBD
$300M
| $1.94M | ﹤0.01% |
186,517
-124,435
| -40% | -$1.33M |
2024 Q1
9 quarters
|
|
2941
Stride
LRN
$3.34B
| $1.94M | ﹤0.01% |
22,504
-74,084
| -77% | -$6.81M |
2023 Q1
13 quarters
|
|
2942
PUT
Skyworks Solutions
SWKS
$19.3B
| $1.94M | ﹤0.01% |
28,600
+18,600
| +186% | +$1.27M |
2026 Q1
1 quarter
|
|
2943
Sixth Street Specialty
TSLX
$1.66B
| $1.94M | ﹤0.01% |
112,859
-300,110
| -73% | -$5.35M |
2020 Q1
25 quarters
|
|
2944
CALL
Whirlpool
WHR
$1.88B
| $1.94M | ﹤0.01% |
+49,100
| New | +$2.3M |
2026 Q2
0 quarters
|
|
2945
Bit Digital
BTBT
$326M
| $1.93M | ﹤0.01% |
+1,074,489
| New | +$1.89M |
2026 Q2
0 quarters
|
|
2946
CALL
Lucid Motors
LCID
$1.37B
| $1.93M | ﹤0.01% |
+289,100
| New | +$1.87M |
2026 Q2
0 quarters
|
|
2947
Climb Bio
CLYM
$605M
| $1.93M | ﹤0.01% |
148,238
-162,368
| -52% | -$1.68M |
2024 Q3
7 quarters
|
|
2948
iQIYI
IQ
$866M
| $1.93M | ﹤0.01% |
1,858,235
-1,188,065
| -39% | -$1.38M |
2025 Q4
2 quarters
|
|
2949
PUT
Powell Industries
POWL
$5.5B
| $1.92M | ﹤0.01% |
6,700
+3,100
| +86% | +$841K |
2025 Q4
2 quarters
|
|
2950
CALL
Toronto Dominion Bank
TD
$205B
| $1.92M | ﹤0.01% |
15,800
-9,300
| -37% | -$1.02M |
2026 Q1
1 quarter
|
|
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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.