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 | |
|---|---|---|---|---|---|---|
3576
CALL
Cintas
CTAS
$81.6B
| $952K | ﹤0.01% |
+5,600
| New | +$968K |
|
3577
Companhia Siderúrgica Nacional
SID
$1.3B
| $952K | ﹤0.01% |
1,040,380
+178,986
| +21% | +$224K |
|
3578
PUT
ACM Research
ACMR
$5.53B
| $952K | ﹤0.01% |
+7,500
| New | +$530K |
|
3579
StoneCo
STNE
$2.16B
| $951K | ﹤0.01% |
87,738
+46,304
| +112% | +$549K |
|
3580
MiMedx Group
MDXG
$631M
| $950K | ﹤0.01% |
246,625
-20,672
| -8% | -$75.4K |
|
3581
CALL
Domino's
DPZ
$11.3B
| $947K | ﹤0.01% |
3,200
+2,200
| +220% | +$724K |
|
3582
Rimini Street
RMNI
$490M
| $944K | ﹤0.01% |
221,500
+109,899
| +98% | +$417K |
|
3583
CALL
HP
HPQ
$27.2B
| $943K | ﹤0.01% |
43,000
-11,900
| -22% | -$263K |
|
3584
PUT
Capital One
COF
$134B
| $943K | ﹤0.01% |
4,700
+2,200
| +88% | +$421K |
|
|
ISBA
3585
Isabella Bank
ISBA
$305M
| $942K | ﹤0.01% |
+23,858
| New | +$1.02M |
|
3586
PUT
Aehr Test Systems
AEHR
$3.32B
| $941K | ﹤0.01% |
+9,800
| New | +$896K |
|
|
FLG
3587
CALL
Flagstar Bank National Association
FLG
$5.59B
| $938K | ﹤0.01% |
62,800
+13,100
| +26% | +$186K |
|
3588
Zevra Therapeutics
ZVRA
$705M
| $935K | ﹤0.01% |
65,208
+12,772
| +24% | +$142K |
|
3589
Rithm Capital
RITM
$5.69B
| $934K | ﹤0.01% |
+99,498
| New | +$948K |
|
3590
CALL
Airbnb
ABNB
$110B
| $930K | ﹤0.01% |
+6,500
| New | +$887K |
|
3591
CALL
Krystal Biotech
KRYS
$10.3B
| $929K | ﹤0.01% |
+2,500
| New | +$747K |
|
3592
Veritone
VERI
$86.3M
| $929K | ﹤0.01% |
678,166
-150,764
| -18% | -$288K |
|
3593
CALL
Skyworks Solutions
SWKS
$10.1B
| $929K | ﹤0.01% |
13,700
+1,900
| +16% | +$129K |
|
3594
Arlo Technologies
ARLO
$1.41B
| $926K | ﹤0.01% |
68,726
-2,400
| -3% | -$32.5K |
|
|
NEE.PRT
3595
NextEra Energy 7.234% Corporate Units
NEE.PRT
$1.44B
| $925K | ﹤0.01% |
+18,612
| New | +$953K |
|
|
DHC
3596
Diversified Healthcare Trust
DHC
$1.94B
| $925K | ﹤0.01% |
99,429
+36,029
| +57% | +$295K |
|
3597
4D Molecular Therapeutics
FDMT
$875M
| $924K | ﹤0.01% |
69,481
-54,836
| -44% | -$534K |
|
|
XYF
3598
X Financial
XYF
$208M
| $923K | ﹤0.01% |
190,782
+19,272
| +11% | +$92K |
|
3599
American Homes 4 Rent
AMH
$12.4B
| $922K | ﹤0.01% |
+27,496
| New | +$869K |
|
|
APAC
3600
StoneBridge Acquisition II Corp
APAC
| $922K | ﹤0.01% |
90,625
| – | – |
|
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.