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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 | |
|---|---|---|---|---|---|---|---|
4026
CALL
Antero Resources
AR
$11.9B
| $538K | ﹤0.01% |
15,300
+3,400
| +29% | +$125K |
2025 Q4
2 quarters
|
|
4027
EagleRock Land
EROK
$484M
| $537K | ﹤0.01% |
+25,290
| New | +$546K |
2026 Q2
0 quarters
|
|
4028
Idexx Laboratories
IDXX
$44B
| $537K | ﹤0.01% |
1,020
+79
| +8% | +$44.3K |
2023 Q3
11 quarters
|
|
4029
CALL
Keurig Dr Pepper
KDP
$47.1B
| $537K | ﹤0.01% |
16,400
+100
| +0.6% | +$2.91K |
2026 Q1
1 quarter
|
|
4030
PUT
Restaurant Brands International
QSR
$26.2B
| $537K | ﹤0.01% |
+7,400
| New | +$563K |
2026 Q2
0 quarters
|
|
4031
BJ's Restaurants
BJRI
$1.26B
| $534K | ﹤0.01% |
8,800
-1,700
| -16% | -$74.4K |
2026 Q1
1 quarter
|
|
4032
Main Street Capital
MAIN
$4.99B
| $534K | ﹤0.01% |
10,300
-513,738
| -98% | -$27.1M |
2022 Q3
15 quarters
|
|
4033
Mativ Holdings
MATV
$636M
| $534K | ﹤0.01% |
70,559
-249,660
| -78% | -$2.15M |
2025 Q1
5 quarters
|
|
4034
PUT
Vale
VALE
$55.4B
| $534K | ﹤0.01% |
+35,500
| New | +$578K |
2026 Q2
0 quarters
|
|
4035
CALL
MKS Inc
MKSI
$14.3B
| $534K | ﹤0.01% |
+1,200
| New | +$376K |
2026 Q2
0 quarters
|
|
4036
CALL
Zimmer Biomet
ZBH
$18.3B
| $534K | ﹤0.01% |
6,200
-2,900
| -32% | -$254K |
2026 Q1
1 quarter
|
|
4037
PUT
D-Wave Quantum Inc
QBTS
$4.47B
| $533K | ﹤0.01% |
22,200
-167,600
| -88% | -$3.68M |
2025 Q3
3 quarters
|
|
4038
LegalZoom.com
LZ
$1.12B
| $531K | ﹤0.01% |
86,700
-2,500
| -3% | -$15.3K |
2026 Q1
1 quarter
|
|
4039
CALL
Ball Corp
BALL
$17B
| $530K | ﹤0.01% |
8,500
-300
| -3% | -$17.6K |
2026 Q1
1 quarter
|
|
4040
CALL
TC Energy
TRP
$64.4B
| $530K | ﹤0.01% |
+8,000
| New | +$529K |
2026 Q2
0 quarters
|
|
4041
Champion Homes
SKY
$4.14B
| $529K | ﹤0.01% |
+6,000
| New | +$459K |
2026 Q2
0 quarters
|
|
4042
Invesco Dorsey Wright Basic Materials Momentum ETF
PYZ
$64M
| $529K | ﹤0.01% |
+4,200
| New | +$536K |
2026 Q2
0 quarters
|
|
4043
CALL
Universal Display
OLED
$3.77B
| $528K | ﹤0.01% |
+6,100
| New | +$563K |
2026 Q2
0 quarters
|
|
|
4044
PUT
Universal Display
OLED
$3.77B
| $528K | ﹤0.01% |
+6,100
| New | +$563K |
2026 Q2
0 quarters
|
|
4045
CALL
A.O. Smith
AOS
$8.09B
| $527K | ﹤0.01% |
8,400
-4,900
| -37% | -$297K |
2026 Q1
1 quarter
|
|
4046
CALL
American Water Works
AWK
$27B
| $526K | ﹤0.01% |
+4,000
| New | +$514K |
2026 Q2
0 quarters
|
|
4047
First Trust SMID Capital Strength ETF
FSCS
$58.9M
| $526K | ﹤0.01% |
14,300
-1,200
| -8% | -$43.1K |
2025 Q2
4 quarters
|
|
4048
PUT
Lennar Class A
LEN
$18.7B
| $525K | ﹤0.01% |
+5,800
| New | +$519K |
2026 Q2
0 quarters
|
|
4049
Scholar Rock
SRRK
$5.04B
| $525K | ﹤0.01% |
9,540
-169,132
| -95% | -$8.17M |
2023 Q1
13 quarters
|
|
4050
Chesapeake Utilities
CPK
$3.29B
| $524K | ﹤0.01% |
+4,280
| New | +$537K |
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.