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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 | |
|---|---|---|---|---|---|---|---|
4126
CALL
Tyson Foods
TSN
$19.3B
| $469K | ﹤0.01% |
8,200
-2,800
| -25% | -$175K |
2026 Q1
1 quarter
|
|
4127
Ambarella
AMBA
$2.82B
| $469K | ﹤0.01% |
5,470
-7,298
| -57% | -$502K |
2022 Q1
17 quarters
|
|
4128
CALL
Five Below
FIVE
$12.4B
| $467K | ﹤0.01% |
2,600
+1,600
| +160% | +$345K |
2026 Q1
1 quarter
|
|
4129
PUT
DaVita
DVA
$11.4B
| $467K | ﹤0.01% |
2,100
-700
| -25% | -$127K |
2026 Q1
1 quarter
|
|
4130
Nouveau Monde Graphite
NMG
$305M
| $466K | ﹤0.01% |
310,947
+291,847
| +1,528% | +$552K |
2026 Q1
1 quarter
|
|
4131
PUT
L3Harris
LHX
$46.3B
| $465K | ﹤0.01% |
+1,600
| New | +$508K |
2026 Q2
0 quarters
|
|
4132
Applied Aerospace & Defense Inc
AADX
$1.9B
| $465K | ﹤0.01% |
+20,410
| New | +$401K |
2026 Q2
0 quarters
|
|
4133
PUT
Elevance Health
ELV
$95.2B
| $464K | ﹤0.01% |
1,200
+200
| +20% | +$74.2K |
2025 Q3
3 quarters
|
|
4134
PUT
Lowe's Companies
LOW
$112B
| $463K | ﹤0.01% |
+2,100
| New | +$477K |
2026 Q2
0 quarters
|
|
4135
NerdWallet
NRDS
$667M
| $459K | ﹤0.01% |
49,651
+11,451
| +30% | +$107K |
2026 Q1
1 quarter
|
|
4136
Adamas Trust
ADAM
$683M
| $458K | ﹤0.01% |
48,821
-117,888
| -71% | -$1.01M |
2024 Q3
7 quarters
|
|
4137
Kyverna Therapeutics
KYTX
$375M
| $457K | ﹤0.01% |
51,319
-130,296
| -72% | -$1.16M |
2024 Q1
9 quarters
|
|
4138
CAMP4 Therapeutics
CAMP
$201M
| $457K | ﹤0.01% |
104,610
-4,265
| -4% | -$18.4K |
2025 Q3
3 quarters
|
|
4139
Carlisle Companies
CSL
$13.3B
| $457K | ﹤0.01% |
1,260
-960
| -43% | -$336K |
2026 Q1
1 quarter
|
|
4140
Graham Holdings Company
GHC
$5.21B
| $457K | ﹤0.01% |
400
| – | – |
2022 Q4
14 quarters
|
|
4141
PUT
Hershey
HSY
$33.9B
| $456K | ﹤0.01% |
2,600
-400
| -13% | -$75.4K |
2026 Q1
1 quarter
|
|
4142
Skydance Corporation
SKYD
$35.9B
| $455K | ﹤0.01% |
+46,117
| New | +$485K |
2026 Q2
0 quarters
|
|
4143
CALL
Curtiss-Wright
CW
$18.2B
| $455K | ﹤0.01% |
+600
| New | +$440K |
2026 Q2
0 quarters
|
|
4144
Twin Disc
TWIN
$365M
| $454K | ﹤0.01% |
19,585
-8,023
| -29% | -$147K |
2025 Q3
3 quarters
|
|
4145
CALL
FMC
FMC
$829M
| $454K | ﹤0.01% |
+39,500
| New | +$551K |
2026 Q2
0 quarters
|
|
4146
Atlanticus Holdings
ATLC
$1.38B
| $454K | ﹤0.01% |
+4,440
| New | +$360K |
2026 Q2
0 quarters
|
|
4147
CALL
Wolfspeed
WOLF
$1.27B
| $454K | ﹤0.01% |
+9,400
| New | +$409K |
2026 Q2
0 quarters
|
|
4148
PUT
BJs Wholesale Club
BJ
$12.9B
| $454K | ﹤0.01% |
5,200
+2,200
| +73% | +$201K |
2025 Q4
2 quarters
|
|
4149
CALL
American Electric Power
AEP
$69.4B
| $451K | ﹤0.01% |
3,300
-5,700
| -63% | -$751K |
2026 Q1
1 quarter
|
|
4150
PUT
CDW
CDW
$19.4B
| $450K | ﹤0.01% |
+3,200
| New | +$402K |
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.