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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 | |
|---|---|---|---|---|---|---|---|
3801
DELISTED
DigitalBridge
DBRG
| $714K | ﹤0.01% |
+45,269
| New | +$708K |
2026 Q2
0 quarters
|
|
3802
Versamet Royalties Corp
VMET
$919M
| $714K | ﹤0.01% |
58,037
+41,037
| +241% | +$490K |
2026 Q1
1 quarter
|
|
3803
Cable One
CABO
$35.2M
| $714K | ﹤0.01% |
13,440
+4,578
| +52% | +$307K |
2025 Q4
2 quarters
|
|
3804
CALL
Canadian Imperial Bank of Commerce
CM
$103B
| $713K | ﹤0.01% |
6,200
+2,200
| +55% | +$241K |
2026 Q1
1 quarter
|
|
3805
WisdomTree US SmallCap Earnings Fund
EES
$684M
| $712K | ﹤0.01% |
10,500
-8,000
| -43% | -$508K |
2023 Q3
11 quarters
|
|
3806
CSX Corp
CSX
$89.1B
| $711K | ﹤0.01% |
14,958
-45,308
| -75% | -$2.05M |
2015 Q1
45 quarters
|
|
3807
PUT
Zebra Technologies
ZBRA
$18.2B
| $711K | ﹤0.01% |
+2,700
| New | +$635K |
2026 Q2
0 quarters
|
|
3808
Invesco BuyBack Achievers ETF
PKW
$1.73B
| $707K | ﹤0.01% |
4,988
-33,500
| -87% | -$4.6M |
2026 Q1
1 quarter
|
|
3809
PUT
Boot Barn
BOOT
$3.49B
| $706K | ﹤0.01% |
4,300
-3,000
| -41% | -$487K |
2026 Q1
1 quarter
|
|
3810
ChargePoint
CHPT
$210M
| $706K | ﹤0.01% |
+119,455
| New | +$782K |
2026 Q2
0 quarters
|
|
3811
PUT
AGNC Investment
AGNC
$10.4B
| $705K | ﹤0.01% |
+64,700
| New | +$682K |
2026 Q2
0 quarters
|
|
3812
Harvard Bioscience
HBIO
$38M
| $704K | ﹤0.01% |
114,545
+428
| +0.4% | +$2.56K |
2018 Q3
31 quarters
|
|
3813
Aclaris Therapeutics
ACRS
$555M
| $704K | ﹤0.01% |
133,068
-262,569
| -66% | -$1.17M |
2023 Q3
11 quarters
|
|
3814
PUT
Royal Bank of Canada
RY
$276B
| $704K | ﹤0.01% |
3,400
+100
| +3% | +$18.6K |
2026 Q1
1 quarter
|
|
3815
CALL
Vital Farms
VITL
$352M
| $704K | ﹤0.01% |
60,500
+15,700
| +35% | +$175K |
2026 Q1
1 quarter
|
|
3816
CALL
Hershey
HSY
$34.1B
| $702K | ﹤0.01% |
4,000
+1,800
| +82% | +$339K |
2026 Q1
1 quarter
|
|
3817
Compass Therapeutics
CMPX
$150M
| $701K | ﹤0.01% |
320,312
+287,212
| +868% | +$848K |
2026 Q1
1 quarter
|
|
3818
iBio
IBIO
$52.8M
| $701K | ﹤0.01% |
400,667
-8,191
| -2% | -$14.6K |
2025 Q4
2 quarters
|
|
3819
Hallador Energy
HNRG
$535M
| $701K | ﹤0.01% |
40,315
+7,915
| +24% | +$136K |
2026 Q1
1 quarter
|
|
3820
Clarus
CLAR
$138M
| $701K | ﹤0.01% |
222,504
+151,182
| +212% | +$435K |
2025 Q3
3 quarters
|
|
3821
PUT
Galaxy Digital Inc
GLXY
$3.06B
| $700K | ﹤0.01% |
+25,600
| New | +$713K |
2026 Q2
0 quarters
|
|
3822
Shift4
FOUR
$3.19B
| $699K | ﹤0.01% |
14,376
+6,500
| +83% | +$281K |
2026 Q1
1 quarter
|
|
3823
CALL
Mattel
MAT
$4.85B
| $698K | ﹤0.01% |
+50,300
| New | +$736K |
2026 Q2
0 quarters
|
|
|
GPMT
3824
Granite Point Mortgage Trust
GPMT
$22.7M
| $697K | ﹤0.01% |
46,450
+304
| +0.7% | +$4.37K |
2025 Q3
3 quarters
|
|
3825
Hoyne Bancorp
HYNE
$128M
| $693K | ﹤0.01% |
+41,424
| New | +$660K |
2026 Q2
0 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.