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 | |
|---|---|---|---|---|---|---|
|
KYNB
4451
Kyntra Bio
KYNB
$30.4M
| $298K | ﹤0.01% |
39,511
-10,000
| -20% | -$70.1K |
|
|
KARD
4452
Kardigan Inc
KARD
$1.97B
| $298K | ﹤0.01% |
+12,500
| New | +$289K |
|
4453
PUT
Vertex Pharmaceuticals
VRTX
$139B
| $298K | ﹤0.01% |
600
-400
| -40% | -$177K |
|
4454
CALL
Wabtec
WAB
$50.3B
| $297K | ﹤0.01% |
+1,100
| New | +$291K |
|
4455
PUT
WEX
WEX
$6.81B
| $296K | ﹤0.01% |
+2,100
| New | +$311K |
|
4456
PUT
Chemours
CC
$2.4B
| $295K | ﹤0.01% |
14,400
-2,600
| -15% | -$59.5K |
|
4457
PUT
PNC Financial Services
PNC
$97B
| $295K | ﹤0.01% |
+1,200
| New | +$269K |
|
4458
BHP
BHP
$246B
| $295K | ﹤0.01% |
+3,544
| New | +$294K |
|
4459
Neonode
NEON
$15.3M
| $295K | ﹤0.01% |
313,110
-52,901
| -14% | -$78.5K |
|
4460
PUT
International Flavors & Fragrances
IFF
$21.5B
| $293K | ﹤0.01% |
+3,700
| New | +$275K |
|
|
UPB
4461
Upstream Bio Inc
UPB
$382M
| $293K | ﹤0.01% |
+42,325
| New | +$355K |
|
4462
CALL
J.M. Smucker
SJM
$13.3B
| $293K | ﹤0.01% |
+2,600
| New | +$265K |
|
|
4463
PUT
J.M. Smucker
SJM
$13.3B
| $293K | ﹤0.01% |
+2,600
| New | +$265K |
|
4464
Star Holdings Shares of Beneficial Interest
STHO
$118M
| $291K | ﹤0.01% |
31,900
+3,556
| +13% | +$30.7K |
|
4465
CALL
CarMax
KMX
$8.82B
| $291K | ﹤0.01% |
+5,500
| New | +$239K |
|
|
MAGN
4466
Magnera Corp
MAGN
$439M
| $291K | ﹤0.01% |
24,741
+1,260
| +5% | +$13.8K |
|
4467
PUT
Amgen
AMGN
$238B
| $290K | ﹤0.01% |
800
-6,800
| -89% | -$2.33M |
|
4468
CALL
DTE Energy
DTE
$28.1B
| $290K | ﹤0.01% |
+1,900
| New | +$278K |
|
4469
Qraft AI-Enhanced US Large Cap Momentum ETF
AMOM
$24.8M
| $289K | ﹤0.01% |
+4,500
| New | +$257K |
|
4470
PUT
Monster Beverage
MNST
$93.6B
| $288K | ﹤0.01% |
+6,000
| New | +$252K |
|
4471
Inspire Growth ETF
GLRY
$166M
| $288K | ﹤0.01% |
+6,600
| New | +$271K |
|
4472
CALL
Yum! Brands
YUM
$41.8B
| $288K | ﹤0.01% |
1,800
-4,200
| -70% | -$650K |
|
4473
Boyd Gaming
BYD
$5.87B
| $287K | ﹤0.01% |
+3,248
| New | +$276K |
|
4474
Crexendo
CXDO
$212M
| $287K | ﹤0.01% |
38,361
+18,403
| +92% | +$144K |
|
4475
PUT
Lemonade
LMND
$4.13B
| $286K | ﹤0.01% |
4,400
+400
| +10% | +$23.4K |
|
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.