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 | |
|---|---|---|---|---|---|---|
1326
PUT
Fabrinet
FN
$15.1B
| $11.9M | 0.01% |
21,200
+13,500
| +175% | +$8.7M |
|
1327
Willdan Group
WLDN
$1.27B
| $11.9M | 0.01% |
150,574
-317,448
| -68% | -$27M |
|
1328
Ally Financial
ALLY
$12.9B
| $11.9M | 0.01% |
258,870
-9,902
| -4% | -$430K |
|
1329
NBT Bancorp
NBTB
$2.7B
| $11.9M | 0.01% |
240,822
+85,026
| +55% | +$3.89M |
|
1330
Pagaya Technologies
PGY
$1.82B
| $11.9M | 0.01% |
649,790
-1,207,466
| -65% | -$17.1M |
|
1331
Orrstown Financial Services
ORRF
$828M
| $11.8M | 0.01% |
290,058
-10,912
| -4% | -$411K |
|
1332
CALL
Uber
UBER
$162B
| $11.8M | 0.01% |
164,000
+113,500
| +225% | +$8.32M |
|
1333
Alight
ALIT
$397M
| $11.8M | 0.01% |
1,053,363
-34,717
| -3% | -$491K |
|
1334
Texas Pacific Land
TPL
$25.8B
| $11.8M | 0.01% |
26,948
+11,672
| +76% | +$4.73M |
|
1335
RPM International
RPM
$13.6B
| $11.8M | 0.01% |
105,991
-197,173
| -65% | -$20.6M |
|
1336
Compass
COMP
$8.87B
| $11.8M | 0.01% |
954,491
-189,139
| -17% | -$1.58M |
|
1337
CALL
Fortinet
FTNT
$112B
| $11.8M | 0.01% |
76,600
+58,500
| +323% | +$6.76M |
|
|
PPLC
1338
PPL Corp Corporate Units
PPLC
| $11.8M | 0.01% |
239,658
-440,342
| -65% | -$21.8M |
|
1339
Dave & Buster's
PLAY
$362M
| $11.8M | 0.01% |
+1,030,749
| New | +$12.3M |
|
1340
Krispy Kreme
DNUT
$626M
| $11.7M | 0.01% |
3,328,560
+1,455,798
| +78% | +$5.2M |
|
1341
Tootsie Roll Industries
TR
$3.11B
| $11.7M | 0.01% |
297,050
+71,262
| +32% | +$2.88M |
|
1342
Corvus Pharmaceuticals
CRVS
$1.19B
| $11.7M | 0.01% |
785,208
+245,339
| +45% | +$3.4M |
|
1343
Fidelity Enhanced Small Cap Core ETF
FESM
$6.38B
| $11.7M | 0.01% |
+242,900
| New | +$10.7M |
|
|
STEL
1344
DELISTED
Stellar Bancorp
STEL
| $11.7M | 0.01% |
296,871
+251,230
| +550% | +$9.46M |
|
1345
Central Pacific Financial
CPF
$972M
| $11.7M | 0.01% |
305,395
-40,349
| -12% | -$1.4M |
|
|
CURB
1346
Curbline Properties
CURB
$3.43B
| $11.7M | 0.01% |
383,607
-26,996
| -7% | -$770K |
|
1347
PUT
iShares Bitcoin Trust
IBIT
$59.5B
| $11.7M | 0.01% |
350,000
| – | – |
|
1348
Constellium
CSTM
$3.61B
| $11.6M | 0.01% |
365,357
+76,457
| +26% | +$2.47M |
|
|
NTSK
1349
Netskope Inc
NTSK
$5.67B
| $11.6M | 0.01% |
1,062,450
+642,180
| +153% | +$6.54M |
|
1350
Carriage Services
CSV
$549M
| $11.6M | 0.01% |
303,115
-61,640
| -17% | -$2.7M |
|
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.