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 | |
|---|---|---|---|---|---|---|
2426
eBay
EBAY
$46.3B
| $3.49M | ﹤0.01% |
31,222
+23,285
| +293% | +$2.48M |
|
2427
GATX Corp
GATX
$6.25B
| $3.49M | ﹤0.01% |
19,691
-984
| -5% | -$179K |
|
2428
SPDR Gold Trust
GLD
$152B
| $3.48M | ﹤0.01% |
+9,455
| New | +$3.92M |
|
|
PNNT
2429
Pennant Park Investment Corp
PNNT
$244M
| $3.48M | ﹤0.01% |
1,003,527
-657,014
| -40% | -$2.73M |
|
|
TLN
2430
Talen Energy Corp
TLN
$15.1B
| $3.48M | ﹤0.01% |
9,053
-616
| -6% | -$226K |
|
2431
SEALSQ Corp
LAES
$566M
| $3.47M | ﹤0.01% |
+1,103,028
| New | +$3.29M |
|
2432
PUT
Abbott
ABT
$202B
| $3.47M | ﹤0.01% |
38,200
+11,800
| +45% | +$1.08M |
|
2433
ProFrac Holding
ACDC
$880M
| $3.46M | ﹤0.01% |
595,679
+472,336
| +383% | +$3.18M |
|
2434
Warrior Met Coal
HCC
$5.64B
| $3.44M | ﹤0.01% |
42,347
-255,953
| -86% | -$23.1M |
|
2435
Capri Holdings
CPRI
$1.55B
| $3.43M | ﹤0.01% |
184,739
+161,589
| +698% | +$3.1M |
|
2436
PUT
Starbucks
SBUX
$122B
| $3.42M | ﹤0.01% |
33,500
+21,500
| +179% | +$2.17M |
|
2437
Ocugen
OCGN
$471M
| $3.41M | ﹤0.01% |
2,230,179
-21,103
| -0.9% | -$32.1K |
|
2438
Monte Rosa Therapeutics
GLUE
$1.22B
| $3.41M | ﹤0.01% |
140,923
+121,623
| +630% | +$2.3M |
|
|
NMP
2439
NMP Acquisition Corp
NMP
| $3.41M | ﹤0.01% |
332,291
| – | – |
|
|
INAC
2440
Indigo Acquisition Corp
INAC
| $3.41M | ﹤0.01% |
332,291
| – | – |
|
|
DCH
2441
Dauch Corp
DCH
$1.63B
| $3.4M | ﹤0.01% |
628,180
-237,367
| -27% | -$1.44M |
|
2442
Zebra Technologies
ZBRA
$17.4B
| $3.4M | ﹤0.01% |
12,930
-47,510
| -79% | -$11.2M |
|
|
LAR
2443
Lithium Argentina AG
LAR
$1.12B
| $3.39M | ﹤0.01% |
409,590
+116,978
| +40% | +$1.08M |
|
|
BFS
2444
Saul Centers
BFS
$833M
| $3.38M | ﹤0.01% |
90,518
+33,495
| +59% | +$1.17M |
|
|
CMII
2445
Columbus Circle Capital Corp II
CMII
$315M
| $3.37M | ﹤0.01% |
332,291
| – | – |
|
|
TMTS
2446
Spartacus Acquisition Corp II
TMTS
$309M
| $3.37M | ﹤0.01% |
+336,458
| New | +$3.36M |
|
2447
Lennox International
LII
$13.9B
| $3.37M | ﹤0.01% |
5,876
-3,551
| -38% | -$1.81M |
|
|
CBIO
2448
Crescent Biopharma
CBIO
$637M
| $3.36M | ﹤0.01% |
186,874
+71,046
| +61% | +$1.39M |
|
2449
CALL
STMicroelectronics
STM
$45.1B
| $3.36M | ﹤0.01% |
+44,900
| New | +$2.7M |
|
2450
Lincoln Electric
LECO
$15.4B
| $3.35M | ﹤0.01% |
12,636
+774
| +7% | +$203K |
|
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.