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 | |
|---|---|---|---|---|---|---|
2301
PUT
Caterpillar
CAT
$381B
| $3.94M | ﹤0.01% |
3,700
-2,300
| -38% | -$2.02M |
|
2302
Williams-Sonoma
WSM
$28B
| $3.93M | ﹤0.01% |
+16,855
| New | +$3.34M |
|
2303
PUT
Home Depot
HD
$335B
| $3.91M | ﹤0.01% |
11,100
+7,600
| +217% | +$2.47M |
|
2304
iShares MSCI EAFE ETF
EFA
$80B
| $3.91M | ﹤0.01% |
+37,680
| New | +$3.88M |
|
2305
FRP Holdings
FRPH
$435M
| $3.9M | ﹤0.01% |
156,211
-25,292
| -14% | -$573K |
|
2306
CALL
Live Nation Entertainment
LYV
$42.4B
| $3.9M | ﹤0.01% |
+21,300
| New | +$3.5M |
|
2307
PUT
MongoDB
MDB
$34.7B
| $3.9M | ﹤0.01% |
11,600
+4,600
| +66% | +$1.38M |
|
2308
Fidelity Low Volatility Factor ETF
FDLO
$1.45B
| $3.9M | ﹤0.01% |
+57,000
| New | +$3.91M |
|
2309
Alto Neuroscience
ANRO
$1.35B
| $3.89M | ﹤0.01% |
147,299
-68,800
| -32% | -$1.59M |
|
2310
HBT Financial
HBT
$1.3B
| $3.89M | ﹤0.01% |
121,492
+67,446
| +125% | +$1.94M |
|
2311
Southern California Bancorp
BCAL
$687M
| $3.88M | ﹤0.01% |
186,346
+123,472
| +196% | +$2.35M |
|
2312
PUT
STMicroelectronics
STM
$45.1B
| $3.88M | ﹤0.01% |
+51,800
| New | +$3.12M |
|
2313
Canadian Imperial Bank of Commerce
CM
$106B
| $3.88M | ﹤0.01% |
33,700
-10,500
| -24% | -$1.15M |
|
2314
Kontoor Brands
KTB
$4.48B
| $3.87M | ﹤0.01% |
46,485
-21,913
| -32% | -$1.6M |
|
2315
PUT
Monolithic Power Systems
MPWR
$64.7B
| $3.87M | ﹤0.01% |
2,800
-3,200
| -53% | -$4.8M |
|
2316
Independent Bank
INDB
$3.97B
| $3.87M | ﹤0.01% |
46,190
-18,895
| -29% | -$1.5M |
|
2317
Collegium Pharmaceutical
COLL
$840M
| $3.86M | ﹤0.01% |
106,704
-483,412
| -82% | -$16.5M |
|
2318
Ardmore Shipping
ASC
$752M
| $3.85M | ﹤0.01% |
274,658
+254,958
| +1,294% | +$4.32M |
|
2319
Porch Group
PRCH
$1.94B
| $3.83M | ﹤0.01% |
254,685
-338,908
| -57% | -$3.34M |
|
2320
Omeros
OMER
$1.39B
| $3.83M | ﹤0.01% |
402,662
+116,188
| +41% | +$1.38M |
|
2321
Meridian
MRBK
$237M
| $3.83M | ﹤0.01% |
191,059
+80,110
| +72% | +$1.52M |
|
2322
CALL
Coherent
COHR
$56.7B
| $3.83M | ﹤0.01% |
9,700
+7,700
| +385% | +$2.72M |
|
2323
Chubb
CB
$132B
| $3.82M | ﹤0.01% |
11,224
-65,850
| -85% | -$21.5M |
|
|
OLP
2324
One Liberty Properties
OLP
$529M
| $3.82M | ﹤0.01% |
156,520
-7,787
| -5% | -$182K |
|
2325
Cavco Industries
CVCO
$4.48B
| $3.82M | ﹤0.01% |
6,220
+1,720
| +38% | +$913K |
|
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.