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 | |
|---|---|---|---|---|---|---|
3276
CALL
Targa Resources
TRGP
$64.1B
| $1.37M | ﹤0.01% |
5,100
+4,100
| +410% | +$1.05M |
|
|
FXACU
3277
FortuneX Acquisition Corp Units
FXACU
| $1.37M | ﹤0.01% |
+135,937
| New | +$1.36M |
|
3278
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.85B
| $1.37M | ﹤0.01% |
+14,400
| New | +$1.31M |
|
3279
PUT
Keysight
KEYS
$53.8B
| $1.37M | ﹤0.01% |
+3,900
| New | +$1.33M |
|
3280
CALL
Okta
OKTA
$23.5B
| $1.36M | ﹤0.01% |
+10,000
| New | +$940K |
|
3281
PUT
CF Industries
CF
$19.6B
| $1.36M | ﹤0.01% |
+12,600
| New | +$1.48M |
|
3282
Inovio Pharmaceuticals
INO
$122M
| $1.36M | ﹤0.01% |
1,239,778
+849,394
| +218% | +$1.01M |
|
3283
Woori Financial
WF
$16.6B
| $1.36M | ﹤0.01% |
23,757
+18,498
| +352% | +$1.2M |
|
|
FWACU
3284
Futurewave Acquisition Corp Units
FWACU
| $1.36M | ﹤0.01% |
+135,937
| New | +$1.36M |
|
3285
FreightCar America
RAIL
$242M
| $1.36M | ﹤0.01% |
139,800
+60,737
| +77% | +$512K |
|
3286
InnovAge Holding
INNV
$1.49B
| $1.36M | ﹤0.01% |
114,798
+19,272
| +20% | +$158K |
|
|
KLAR
3287
Klarna Group
KLAR
$5.42B
| $1.36M | ﹤0.01% |
+67,130
| New | +$1.06M |
|
|
WHWK
3288
Whitehawk Therapeutics
WHWK
$270M
| $1.36M | ﹤0.01% |
296,612
+23,130
| +8% | +$96.2K |
|
3289
NRC Health Common Stock
NRC
$491M
| $1.36M | ﹤0.01% |
62,938
-872
| -1% | -$16.2K |
|
3290
PUT
Texas Pacific Land
TPL
$26.5B
| $1.36M | ﹤0.01% |
3,100
-1,900
| -38% | -$770K |
|
3291
PUT
Maplebear
CART
$11.5B
| $1.35M | ﹤0.01% |
+28,600
| New | +$1.2M |
|
3292
PUT
Petrobras
PBR
$123B
| $1.35M | ﹤0.01% |
83,700
+48,700
| +139% | +$952K |
|
3293
National Fuel Gas
NFG
$7.84B
| $1.35M | ﹤0.01% |
17,500
-376,807
| -96% | -$31.2M |
|
3294
Repligen
RGEN
$10.2B
| $1.35M | ﹤0.01% |
+9,901
| New | +$1.22M |
|
3295
First Trust Dow Jones Select MicroCap Index Fund
FDM
$270M
| $1.35M | ﹤0.01% |
14,500
+3,800
| +36% | +$333K |
|
3296
CALL
Southwest Airlines
LUV
$19.8B
| $1.35M | ﹤0.01% |
+26,200
| New | +$1.1M |
|
3297
CALL
Zscaler
ZS
$29.4B
| $1.34M | ﹤0.01% |
9,500
+6,500
| +217% | +$906K |
|
3298
PUT
SharkNinja
SN
$25.5B
| $1.34M | ﹤0.01% |
8,800
+3,000
| +52% | +$359K |
|
3299
PUT
Roku
ROKU
$23.4B
| $1.34M | ﹤0.01% |
+9,700
| New | +$1.18M |
|
3300
PUT
Wynn Resorts
WYNN
$10.3B
| $1.34M | ﹤0.01% |
13,800
+4,600
| +50% | +$474K |
|
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.