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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 | |
|---|---|---|---|---|---|---|---|
1826
Jack in the Box
JACK
$232M
| $6.49M | ﹤0.01% |
410,589
+353,191
| +615% | +$4.35M |
2024 Q4
6 quarters
|
|
1827
Bridgewater Bancshares
BWB
$575M
| $6.49M | ﹤0.01% |
308,505
+134,795
| +78% | +$2.55M |
2021 Q4
18 quarters
|
|
1828
Hayward Holdings
HAYW
$2.56B
| $6.47M | ﹤0.01% |
+373,577
| New | +$5.45M |
2026 Q2
0 quarters
|
|
1829
BlueLinx
BXC
$589M
| $6.45M | ﹤0.01% |
104,205
+15,919
| +18% | +$860K |
2019 Q4
26 quarters
|
|
1830
Midland States Bancorp
MSBI
$676M
| $6.45M | ﹤0.01% |
206,970
+32,882
| +19% | +$886K |
2020 Q4
22 quarters
|
|
1831
Highview Merger Corp
HVMC
$303M
| $6.43M | ﹤0.01% |
632,853
| – | – |
2025 Q4
2 quarters
|
|
1832
PUT
KLA
KLAC
$211B
| $6.43M | ﹤0.01% |
21,300
-18,700
| -47% | -$3.71M |
2025 Q4
2 quarters
|
|
1833
PUT
IonQ
IONQ
$12.7B
| $6.42M | ﹤0.01% |
120,600
+54,700
| +83% | +$2.77M |
2025 Q3
3 quarters
|
|
1834
Korea Electric Power
KEP
$13.6B
| $6.42M | ﹤0.01% |
530,564
+377,685
| +247% | +$5.22M |
2025 Q4
2 quarters
|
|
1835
PUT
Applied Optoelectronics
AAOI
$6.52B
| $6.42M | ﹤0.01% |
+43,300
| New | +$7.04M |
2026 Q2
0 quarters
|
|
1836
General Catalyst Global Resilience Merger Corp
GCGR
$460M
| $6.4M | ﹤0.01% |
+634,375
| New | +$6.38M |
2026 Q2
0 quarters
|
|
1837
Sabine Royalty Trust
SBR
$1.06B
| $6.4M | ﹤0.01% |
87,436
+38,075
| +77% | +$2.87M |
2023 Q1
13 quarters
|
|
1838
Pangaea Logistics
PANL
$506M
| $6.4M | ﹤0.01% |
983,940
+347,062
| +54% | +$2.63M |
2025 Q3
3 quarters
|
|
1839
Xcel Energy
XEL
$47.9B
| $6.39M | ﹤0.01% |
79,583
-593,815
| -88% | -$47.4M |
2021 Q4
18 quarters
|
|
1840
Louisiana-Pacific
LPX
$5.06B
| $6.39M | ﹤0.01% |
81,218
-121,754
| -60% | -$8.99M |
2022 Q4
14 quarters
|
|
1841
Vanguard Materials ETF
VAW
$3.25B
| $6.38M | ﹤0.01% |
+27,900
| New | +$6.47M |
2026 Q2
0 quarters
|
|
1842
First Trust Materials AlphaDEX Fund
FXZ
$369M
| $6.37M | ﹤0.01% |
80,167
+67,500
| +533% | +$5.44M |
2026 Q1
1 quarter
|
|
1843
Lyft
LYFT
$6.53B
| $6.37M | ﹤0.01% |
435,871
+280,758
| +181% | +$3.93M |
2022 Q4
14 quarters
|
|
1844
Evergy
EVRG
$19.1B
| $6.37M | ﹤0.01% |
73,675
-303,853
| -80% | -$25.2M |
2022 Q4
14 quarters
|
|
1845
Weatherford International
WFRD
$5.67B
| $6.36M | ﹤0.01% |
78,012
+4,516
| +6% | +$458K |
2025 Q1
5 quarters
|
|
1846
Nuveen ESG Small-Cap ETF
NUSC
$1.26B
| $6.35M | ﹤0.01% |
+121,900
| New | +$6M |
2026 Q2
0 quarters
|
|
1847
PUT
Eaton
ETN
$148B
| $6.35M | ﹤0.01% |
14,900
-6,600
| -31% | -$2.66M |
2025 Q4
2 quarters
|
|
1848
WisdomTree US SmallCap Dividend Fund
DES
$2.08B
| $6.35M | ﹤0.01% |
156,000
+25,700
| +20% | +$990K |
2026 Q1
1 quarter
|
|
1849
PUT
Merck
MRK
$366B
| $6.34M | ﹤0.01% |
49,300
-6,000
| -11% | -$702K |
2025 Q4
2 quarters
|
|
1850
iShares MSCI Mexico ETF
EWW
$1.49B
| $6.33M | ﹤0.01% |
84,100
-119,800
| -59% | -$9.3M |
2025 Q2
4 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.