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 | |
|---|---|---|---|---|---|---|
4801
PUT
Aurora
AUR
$12.5B
| $106K | ﹤0.01% |
+15,600
| New | +$95.4K |
|
4802
Network-1 Technologies
NTIP
$35.9M
| $105K | ﹤0.01% |
+71,500
| New | +$105K |
|
4803
Senseonics Holdings Inc
SENS
$513M
| $104K | ﹤0.01% |
+18,331
| New | +$117K |
|
4804
Inspired Entertainment
INSE
$160M
| $104K | ﹤0.01% |
12,552
-900
| -7% | -$6.7K |
|
4805
Alta Equipment Group
ALTG
$212M
| $103K | ﹤0.01% |
15,988
+5,740
| +56% | +$38.5K |
|
4806
CALL
Camping World
CWH
$676M
| $102K | ﹤0.01% |
13,400
+200
| +2% | +$1.45K |
|
4807
Snail Inc
SNAL
$25.5M
| $101K | ﹤0.01% |
+32,625
| New | +$119K |
|
4808
Enlivex Ltd
ENLV
$25.7M
| $101K | ﹤0.01% |
12,262
+2,501
| +26% | +$28.9K |
|
4809
PUT
Archer Aviation
ACHR
$4.85B
| $99.3K | ﹤0.01% |
21,000
-44,000
| -68% | -$256K |
|
4810
Protalix BioTherapeutics
PLX
$192M
| $99.1K | ﹤0.01% |
42,515
+24,386
| +135% | +$51.6K |
|
4811
Orchestra BioMed
OBIO
$322M
| $97.4K | ﹤0.01% |
22,563
-37,544
| -62% | -$154K |
|
4812
Sharplink Inc
SBET
$1.72B
| $97.1K | ﹤0.01% |
+20,232
| New | +$129K |
|
|
KLRS
4813
Kalaris Therapeutics
KLRS
$98.8M
| $97.1K | ﹤0.01% |
23,847
-6,803
| -22% | -$35.3K |
|
4814
Inogen
INGN
$149M
| $96.8K | ﹤0.01% |
15,015
+3,496
| +30% | +$23.1K |
|
|
VIOT
4815
Viomi Technology
VIOT
$51.4M
| $96K | ﹤0.01% |
122,800
-119,368
| -49% | -$115K |
|
4816
Brilliant Earth
BRLT
$22.5M
| $95.6K | ﹤0.01% |
84,569
-23,998
| -22% | -$30.6K |
|
|
ANGX
4817
Angel Studios
ANGX
$805M
| $95.3K | ﹤0.01% |
+25,978
| New | +$73.6K |
|
4818
Orthofix Medical
OFIX
$408M
| $95K | ﹤0.01% |
+10,389
| New | +$115K |
|
4819
Drilling Tools International
DTI
$92.1M
| $94.6K | ﹤0.01% |
+49,038
| New | +$146K |
|
|
GCTS
4820
GCT Semiconductor Holding
GCTS
$188M
| $94.2K | ﹤0.01% |
+31,730
| New | +$67.4K |
|
|
LUXE
4821
LuxExperience B.V.
LUXE
$1.07B
| $93.4K | ﹤0.01% |
+12,576
| New | +$100K |
|
|
RENT
4822
Rent the Runway
RENT
$128M
| $91.5K | ﹤0.01% |
29,054
-50,596
| -64% | -$214K |
|
4823
Oxford Square Capital
OXSQ
$152M
| $90.7K | ﹤0.01% |
68,742
-3,900
| -5% | -$6.24K |
|
4824
X4 Pharmaceuticals
XFOR
$401M
| $90.7K | ﹤0.01% |
19,426
+5,558
| +40% | +$22.8K |
|
|
PUSA
4825
Aureus Greenway Holdings
PUSA
$92.4M
| $90.1K | ﹤0.01% |
+22,574
| New | +$94.6K |
|
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.