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 | |
|---|---|---|---|---|---|---|
4326
Melco Resorts & Entertainment
MLCO
$2.09B
| $357K | ﹤0.01% |
67,700
-72,800
| -52% | -$407K |
|
4327
PUT
KB Home
KBH
$3.39B
| $357K | ﹤0.01% |
5,700
+700
| +14% | +$36.4K |
|
4328
Enlight Renewable Energy
ENLT
$11.2B
| $356K | ﹤0.01% |
4,000
-2,768
| -41% | -$244K |
|
4329
Applovin
APP
$102B
| $356K | ﹤0.01% |
+691
| New | +$333K |
|
4330
PUT
Tenet Healthcare
THC
$22.6B
| $355K | ﹤0.01% |
+1,900
| New | +$349K |
|
4331
PUT
e.l.f. Beauty
ELF
$6.02B
| $355K | ﹤0.01% |
4,800
-8,700
| -64% | -$529K |
|
4332
PUT
Copart
CPRT
$31.3B
| $355K | ﹤0.01% |
+12,600
| New | +$407K |
|
4333
Mirion Technologies
MIR
$3.69B
| $354K | ﹤0.01% |
+19,771
| New | +$367K |
|
4334
CALL
Lamb Weston
LW
$7.38B
| $354K | ﹤0.01% |
8,200
+1,400
| +21% | +$60.4K |
|
4335
CALL
Dycom Industries
DY
$11.8B
| $354K | ﹤0.01% |
+700
| New | +$306K |
|
4336
CALL
Pan American Silver
PAAS
$22B
| $354K | ﹤0.01% |
+7,900
| New | +$423K |
|
4337
PUT
Bank of Montreal
BMO
$122B
| $353K | ﹤0.01% |
+2,000
| New | +$314K |
|
4338
iHeartMedia
IHRT
$432M
| $353K | ﹤0.01% |
82,311
-14,230
| -15% | -$63.1K |
|
4339
CALL
Cincinnati Financial
CINF
$25.8B
| $352K | ﹤0.01% |
+1,900
| New | +$315K |
|
4340
PUT
DTE Energy
DTE
$28.1B
| $350K | ﹤0.01% |
+2,300
| New | +$336K |
|
4341
PUT
Pitney Bowes
PBI
$2.26B
| $350K | ﹤0.01% |
+20,000
| New | +$306K |
|
4342
Dream Finders Homes
DFH
$1.35B
| $349K | ﹤0.01% |
+20,201
| New | +$297K |
|
4343
CALL
International Flavors & Fragrances
IFF
$21.5B
| $349K | ﹤0.01% |
+4,400
| New | +$327K |
|
4344
PUT
Stanley Black & Decker
SWK
$15.1B
| $348K | ﹤0.01% |
+3,700
| New | +$290K |
|
4345
Progress Software
PRGS
$1.82B
| $348K | ﹤0.01% |
10,369
-89,454
| -90% | -$2.65M |
|
4346
CALL
Scotiabank
BNS
$107B
| $347K | ﹤0.01% |
+4,000
| New | +$315K |
|
4347
Viant Technology
DSP
$263M
| $347K | ﹤0.01% |
27,376
-11,337
| -29% | -$128K |
|
4348
CALL
Monster Beverage
MNST
$93.6B
| $346K | ﹤0.01% |
+7,200
| New | +$303K |
|
|
LGO
4349
Largo
LGO
$76.7M
| $346K | ﹤0.01% |
544,797
-737,606
| -58% | -$760K |
|
4350
Gates Industrial Corp
GTES
$6.56B
| $344K | ﹤0.01% |
12,300
-27,000
| -69% | -$694K |
|
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.