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 | |
|---|---|---|---|---|---|---|
3926
Tilray
TLRY
$666M
| $610K | ﹤0.01% |
135,870
-48,973
| -26% | -$280K |
|
|
DRDB
3927
Roman DBDR Acquisition Corp II
DRDB
$326M
| $610K | ﹤0.01% |
57,858
-667,142
| -92% | -$7.02M |
|
3928
PUT
Carrier Global
CARR
$49.8B
| $609K | ﹤0.01% |
8,300
+300
| +4% | +$19.6K |
|
|
MMED
3929
MiniMed Group Inc
MMED
$5.74B
| $607K | ﹤0.01% |
40,591
+24,326
| +150% | +$321K |
|
3930
Powell Industries
POWL
$7.2B
| $607K | ﹤0.01% |
2,118
-59,763
| -97% | -$16.2M |
|
3931
Solid Biosciences
SLDB
$997M
| $606K | ﹤0.01% |
60,705
-31,502
| -34% | -$239K |
|
3932
CALL
Zebra Technologies
ZBRA
$17.4B
| $605K | ﹤0.01% |
+2,300
| New | +$541K |
|
3933
CALL
Chewy
CHWY
$9.83B
| $605K | ﹤0.01% |
30,800
-9,100
| -23% | -$207K |
|
|
3934
PUT
Chewy
CHWY
$9.83B
| $605K | ﹤0.01% |
30,800
-9,300
| -23% | -$211K |
|
3935
PUT
Cal-Maine
CALM
$3.87B
| $604K | ﹤0.01% |
7,500
+3,900
| +108% | +$301K |
|
3936
Torrid Holdings
CURV
$220M
| $603K | ﹤0.01% |
322,649
+70,959
| +28% | +$124K |
|
3937
CALL
CenterPoint Energy
CNP
$25.5B
| $603K | ﹤0.01% |
13,700
+7,100
| +108% | +$304K |
|
3938
StepStone Group
STEP
$4.11B
| $603K | ﹤0.01% |
+14,587
| New | +$722K |
|
3939
PUT
International Paper
IP
$22B
| $602K | ﹤0.01% |
15,800
-3,300
| -17% | -$113K |
|
3940
CALL
Maplebear
CART
$11.5B
| $601K | ﹤0.01% |
12,700
+4,700
| +59% | +$197K |
|
3941
Information Services Group
III
$239M
| $601K | ﹤0.01% |
146,282
-70,713
| -33% | -$296K |
|
3942
PUT
Ares Management
ARES
$31.9B
| $601K | ﹤0.01% |
+5,400
| New | +$648K |
|
3943
Ginkgo Bioworks
DNA
$498M
| $599K | ﹤0.01% |
60,454
-3,162
| -5% | -$26.4K |
|
|
PLMK
3944
Plum Acquisition Corp IV
PLMK
$114M
| $598K | ﹤0.01% |
56,094
-442,343
| -89% | -$4.69M |
|
3945
PUT
Weyerhaeuser
WY
$17.6B
| $596K | ﹤0.01% |
24,900
+8,000
| +47% | +$194K |
|
3946
PUT
LyondellBasell Industries
LYB
$21.8B
| $595K | ﹤0.01% |
11,300
+4,300
| +61% | +$297K |
|
3947
Oceaneering
OII
$5.28B
| $595K | ﹤0.01% |
+14,681
| New | +$553K |
|
3948
Transmedics
TMDX
$3.29B
| $594K | ﹤0.01% |
8,945
-316,195
| -97% | -$26.8M |
|
3949
ProShares S&P Technology Dividend Aristocrats ETF
TDV
$277M
| $593K | ﹤0.01% |
5,700
-2,300
| -29% | -$225K |
|
3950
CALL
Coupang
CPNG
$29.6B
| $592K | ﹤0.01% |
34,100
-12,600
| -27% | -$227K |
|
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.