John Overdeck Two Sigma Investments
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.
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 |
SNDK
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.71% |
| 2 | Financials | 15.22% |
| 3 | Healthcare | 11.94% |
| 4 | Industrials | 11.55% |
| 5 | Consumer Discretionary | 9.6% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
4501
PUT
Brown & Brown
BRO
$24.4B
| $276K | ﹤0.01% |
+4,300
| New | +$262K |
|
4502
CALL
Arthur J. Gallagher & Co
AJG
$67.6B
| $275K | ﹤0.01% |
1,200
+200
| +20% | +$42.5K |
|
4503
CALL
Pilgrim's Pride
PPC
$7.68B
| $275K | ﹤0.01% |
+9,800
| New | +$301K |
|
|
SKE
4504
Skeena Resources
SKE
$4.37B
| $274K | ﹤0.01% |
+10,286
| New | +$309K |
|
4505
InMode
INMD
$867M
| $274K | ﹤0.01% |
+18,720
| New | +$261K |
|
4506
CALL
Dominion Energy
D
$58.6B
| $273K | ﹤0.01% |
4,000
-39,900
| -91% | -$2.59M |
|
4507
Build-A-Bear
BBW
$488M
| $273K | ﹤0.01% |
8,923
+523
| +6% | +$18.8K |
|
4508
CALL
Cinemark Holdings
CNK
$4.24B
| $273K | ﹤0.01% |
+8,600
| New | +$255K |
|
4509
CALL
Nice
NICE
$5.87B
| $273K | ﹤0.01% |
+3,000
| New | +$291K |
|
4510
PUT
Rigetti Computing
RGTI
$5.98B
| $272K | ﹤0.01% |
14,100
-260,800
| -95% | -$5.04M |
|
4511
Cadeler
CDLR
$2.31B
| $272K | ﹤0.01% |
+12,430
| New | +$316K |
|
4512
Hilton Grand Vacations
HGV
$3.51B
| $272K | ﹤0.01% |
5,200
-22,998
| -82% | -$1.11M |
|
4513
Aldeyra Therapeutics
ALDX
$91.7M
| $272K | ﹤0.01% |
127,849
-95,688
| -43% | -$164K |
|
4514
PUT
Nokia
NOK
$57B
| $272K | ﹤0.01% |
+20,500
| New | +$264K |
|
4515
PUT
Star Bulk Carriers
SBLK
$3.41B
| $272K | ﹤0.01% |
+10,900
| New | +$282K |
|
4516
CALL
Dick's Sporting Goods
DKS
$16.4B
| $272K | ﹤0.01% |
1,200
-15,600
| -93% | -$3.45M |
|
4517
CALL
Conagra Brands
CAG
$7.89B
| $272K | ﹤0.01% |
20,200
-18,300
| -48% | -$256K |
|
|
TRON
4518
Tron Inc
TRON
$954M
| $272K | ﹤0.01% |
168,713
-5,900
| -3% | -$11.9K |
|
4519
First Trust Dorsey Wright Momentum & Low Volatility ETF
DVOL
$72.6M
| $270K | ﹤0.01% |
7,388
-5,221
| -41% | -$189K |
|
4520
Noodles & Co
NDLS
$89.7M
| $269K | ﹤0.01% |
+17,984
| New | +$212K |
|
4521
SGHC Ltd
SGHC
$6.76B
| $269K | ﹤0.01% |
19,833
-1,967
| -9% | -$24.9K |
|
4522
BBB Foods
TBBB
$6.11B
| $269K | ﹤0.01% |
+6,444
| New | +$246K |
|
4523
CALL
WEX
WEX
$6.81B
| $268K | ﹤0.01% |
+1,900
| New | +$281K |
|
|
4524
WEX
WEX
$6.81B
| $268K | ﹤0.01% |
1,900
-400
| -17% | -$59.3K |
|
4525
CALL
Leidos
LDOS
$17.7B
| $268K | ﹤0.01% |
+2,600
| New | +$345K |
|
Similar funds
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 $4.38B 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 Healthcare.
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.