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 | |
|---|---|---|---|---|---|---|
4176
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.42B
| $439K | ﹤0.01% |
3,600
-85,000
| -96% | -$9.59M |
|
4177
NextEra Energy
NEE
$174B
| $439K | ﹤0.01% |
5,000
-37,389
| -88% | -$3.38M |
|
4178
Aemetis
AMTX
$149M
| $438K | ﹤0.01% |
267,204
-113,044
| -30% | -$276K |
|
4179
CALL
Analog Devices
ADI
$182B
| $437K | ﹤0.01% |
1,100
-900
| -45% | -$356K |
|
|
4180
PUT
Analog Devices
ADI
$182B
| $437K | ﹤0.01% |
+1,100
| New | +$435K |
|
4181
PUT
Ball Corp
BALL
$16.8B
| $437K | ﹤0.01% |
7,000
+200
| +3% | +$11.8K |
|
4182
PUT
Lithia Motors
LAD
$8.15B
| $436K | ﹤0.01% |
+1,500
| New | +$426K |
|
4183
CALL
Agnico Eagle Mines
AEM
$109B
| $434K | ﹤0.01% |
2,800
-200
| -7% | -$37K |
|
|
FRBT
4184
Forbright Inc
FRBT
$949M
| $433K | ﹤0.01% |
+23,700
| New | +$429K |
|
4185
vTv Therapeutics
VTVT
$132M
| $432K | ﹤0.01% |
+11,486
| New | +$398K |
|
4186
iShares S&P 500 Value ETF
IVE
$50.2B
| $431K | ﹤0.01% |
+1,900
| New | +$424K |
|
4187
Haverty Furniture Companies
HVT
$427M
| $430K | ﹤0.01% |
16,849
+4,910
| +41% | +$111K |
|
4188
Gevo
GEVO
$381M
| $430K | ﹤0.01% |
286,638
-106,132
| -27% | -$187K |
|
4189
Mitsubishi UFJ Financial
MUFG
$249B
| $430K | ﹤0.01% |
21,600
-3,600
| -14% | -$67.8K |
|
4190
CALL
RH
RH
$2.9B
| $428K | ﹤0.01% |
2,600
-4,800
| -65% | -$662K |
|
4191
CALL
Allstate
ALL
$64.2B
| $428K | ﹤0.01% |
1,800
-2,200
| -55% | -$478K |
|
4192
PUT
Alaska Air
ALK
$4.51B
| $428K | ﹤0.01% |
+8,200
| New | +$350K |
|
4193
PUT
Fidelity National Information Services
FIS
$21.3B
| $428K | ﹤0.01% |
11,000
+4,000
| +57% | +$173K |
|
4194
Leslie's
LESL
$5.63M
| $428K | ﹤0.01% |
42,127
-1,708
| -4% | -$6.7K |
|
4195
PUT
Ventas
VTR
$47.7B
| $426K | ﹤0.01% |
4,800
+1,800
| +60% | +$153K |
|
4196
PUT
Aecom
ACM
$8.34B
| $426K | ﹤0.01% |
+6,100
| New | +$467K |
|
4197
Perion Network
PERI
$386M
| $426K | ﹤0.01% |
43,844
-5,556
| -11% | -$53K |
|
|
ALIS
4198
Calisa Acquisition Corp
ALIS
$86M
| $424K | ﹤0.01% |
41,729
-67,020
| -62% | -$676K |
|
4199
Definitive Healthcare
DH
$76.2M
| $423K | ﹤0.01% |
509,328
+275,747
| +118% | +$253K |
|
4200
CALL
Symbotic
SYM
$5.43B
| $423K | ﹤0.01% |
+9,400
| New | +$479K |
|
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.