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 |
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 | |
|---|---|---|---|---|---|---|---|
5351
DELISTED
Thermon Group Holdings
THR
| – | – |
-356,278
| Closed | -$18M | – |
|
5352
Gentherm
THRM
$1.58B
| – | – |
-81,628
| Closed | -$2.27M | – |
|
5353
Alpha Teknova
TKNO
$380M
| – | – |
-19,117
| Closed | -$55.2K | – |
|
5354
CALL
TKO Group
TKO
$12.8B
| – | – |
-4,200
| Closed | -$847K | – |
|
5355
PUT
Toll Brothers
TOL
$12.3B
| – | – |
-3,100
| Closed | -$423K | – |
|
5356
DELISTED
Tri Pointe Homes
TPH
| – | – |
-351,559
| Closed | -$16.4M | – |
|
5357
CALL
TripAdvisor
TRIP
$1.09B
| – | – |
-10,600
| Closed | -$113K | – |
|
|
5358
PUT
TripAdvisor
TRIP
$1.09B
| – | – |
-12,800
| Closed | -$136K | – |
|
5359
CALL
T. Rowe Price
TROW
$21.5B
| – | – |
-14,300
| Closed | -$1.29M | – |
|
|
5360
PUT
T. Rowe Price
TROW
$21.5B
| – | – |
-13,500
| Closed | -$1.22M | – |
|
5361
Trevi Therapeutics
TRVI
$1.69B
| – | – |
-38,415
| Closed | -$458K | – |
|
5362
Tenaris
TS
$30B
| – | – |
-7,594
| Closed | -$442K | – |
|
5363
PUT
Tyson Foods
TSN
$19.3B
| – | – |
-4,400
| Closed | -$282K | – |
|
5364
CALL
Unity
U
$17.8B
| – | – |
-36,600
| Closed | -$803K | – |
|
|
5365
PUT
Unity
U
$17.8B
| – | – |
-25,400
| Closed | -$557K | – |
|
5366
AgEagle Aerial Systems
UAVS
$44.3M
| – | – |
-12,900
| Closed | -$11.7K | – |
|
5367
DELISTED
Udemy
UDMY
| – | – |
-15,400
| Closed | -$71.1K | – |
|
5368
Universal Health Services
UHS
$10.9B
| – | – |
-155,819
| Closed | -$27.9M | – |
|
5369
Ubiquiti
UI
$36.4B
| – | – |
-1,265
| Closed | -$1000K | – |
|
5370
Wheels Up
UP
$126M
| – | – |
-1,554
| Closed | -$16.1K | – |
|
5371
PUT
Upstart Holdings
UPST
$2.29B
| – | – |
-27,000
| Closed | -$693K | – |
|
5372
CALL
US Bancorp
USB
$91.5B
| – | – |
-5,000
| Closed | -$260K | – |
|
5373
US Gold Corp
USAU
$196M
| – | – |
-23,793
| Closed | -$361K | – |
|
5374
Array Digital Infrastructure
AD
$2.89B
| – | – |
-6,900
| Closed | -$318K | – |
|
5375
United States Oil Fund
USO
$2.07B
| – | – |
-3,219
| Closed | -$410K | – |
|
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 $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.