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 | |
|---|---|---|---|---|---|---|
1751
Crocs
CROX
$5.85B
| $7.1M | 0.01% |
58,867
+2,620
| +5% | +$286K |
|
1752
Nuvation Bio
NUVB
$2.43B
| $7.09M | 0.01% |
1,248,409
-1,435,680
| -53% | -$7.02M |
|
1753
PACS Group
PACS
$7.01B
| $7.09M | 0.01% |
166,277
-94,237
| -36% | -$3.39M |
|
1754
Astec Industries
ASTE
$1B
| $7.09M | 0.01% |
115,858
+35,213
| +44% | +$1.94M |
|
1755
Electromed
ELMD
$327M
| $7.08M | 0.01% |
167,492
-36,108
| -18% | -$1.16M |
|
1756
Sigma Lithium
SGML
$1.35B
| $7.08M | 0.01% |
559,511
+420,967
| +304% | +$7.08M |
|
1757
Antero Resources
AR
$11.7B
| $7.07M | 0.01% |
201,305
-191,625
| -49% | -$7.06M |
|
|
ASM
1758
Avino Silver & Gold Mines
ASM
$1.26B
| $7.07M | 0.01% |
1,115,440
+251,952
| +29% | +$1.7M |
|
|
OBA
1759
Oxley Bridge Acquisition Ltd
OBA
| $7.07M | 0.01% |
691,364
| – | – |
|
1760
Corpay
CPAY
$27.4B
| $7.07M | 0.01% |
21,200
+2,981
| +16% | +$990K |
|
1761
Atea Pharmaceuticals
AVIR
$436M
| $7.01M | 0.01% |
1,506,697
-357,467
| -19% | -$1.78M |
|
1762
Adeia
ADEA
$2.89B
| $7M | 0.01% |
+212,442
| New | +$6.27M |
|
|
PAII
1763
Pyrophyte Acquisition Corp II
PAII
| $6.98M | 0.01% |
684,375
| – | – |
|
1764
Bankwell Financial Group
BWFG
$529M
| $6.96M | 0.01% |
118,419
+33,349
| +39% | +$1.77M |
|
|
CXII
1765
Churchill Capital Corp XII
CXII
$595M
| $6.95M | 0.01% |
+652,500
| New | +$6.71M |
|
|
LWAC
1766
LightWave Acquisition Corp
LWAC
$311M
| $6.95M | 0.01% |
679,687
| – | – |
|
1767
Burke & Herbert Financial Services Corp
BHRB
$1.44B
| $6.94M | 0.01% |
96,630
+49,345
| +104% | +$3.19M |
|
1768
SandRidge Energy
SD
$532M
| $6.91M | 0.01% |
504,494
+9,894
| +2% | +$148K |
|
|
NHIC
1769
NewHold Investment Corp III
NHIC
$293M
| $6.91M | 0.01% |
634,375
| – | – |
|
1770
Rocket Companies
RKT
$39.4B
| $6.9M | 0.01% |
438,337
-3,735,078
| -89% | -$53.8M |
|
1771
Fair Isaac
FICO
$25.3B
| $6.9M | 0.01% |
+5,777
| New | +$6.47M |
|
|
JOYY
1772
JOYY Inc
JOYY
$3.71B
| $6.9M | 0.01% |
104,552
+85,152
| +439% | +$5.3M |
|
1773
Digital Realty Trust
DLR
$70.5B
| $6.88M | 0.01% |
38,290
-53,701
| -58% | -$10.3M |
|
1774
Matsons
MATX
$6.66B
| $6.88M | 0.01% |
35,769
-27,074
| -43% | -$4.93M |
|
1775
Nuveen Churchill Direct Lending
NCDL
$608M
| $6.86M | 0.01% |
552,184
-78,563
| -12% | -$1.05M |
|
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.