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 | |
|---|---|---|---|---|---|---|
1126
PUT
Marvell Technology
MRVL
$206B
| $16.7M | 0.01% |
55,900
+50,500
| +935% | +$10.1M |
|
1127
Washington Trust Bancorp
WASH
$758M
| $16.5M | 0.01% |
453,229
+52,562
| +13% | +$1.76M |
|
1128
Dime Commercial Bancshares
DCOM
$1.78B
| $16.5M | 0.01% |
406,061
+27,136
| +7% | +$1.01M |
|
1129
Vanguard US Momentum Factor ETF
VFMO
$1.88B
| $16.4M | 0.01% |
+65,700
| New | +$14.9M |
|
1130
Altria Group
MO
$114B
| $16.4M | 0.01% |
227,264
+130,921
| +136% | +$9.14M |
|
1131
CALL
Amazon
AMZN
$2.83T
| $16.4M | 0.01% |
68,600
+14,600
| +27% | +$3.66M |
|
1132
NWPX Infrastructure Inc
NWPX
$1.07B
| $16.3M | 0.01% |
109,006
+46,603
| +75% | +$5.1M |
|
1133
Schwab Fundamental US Large Company Index ETF
FNDX
$27.6B
| $16.3M | 0.01% |
+525,500
| New | +$15.9M |
|
1134
Roku
ROKU
$23.5B
| $16.3M | 0.01% |
118,262
-1,069,769
| -90% | -$130M |
|
1135
C4 Therapeutics
CCCC
$504M
| $16.2M | 0.01% |
3,469,707
+434,073
| +14% | +$1.48M |
|
1136
Allogene Therapeutics
ALLO
$701M
| $16.2M | 0.01% |
7,784,348
+2,408,892
| +45% | +$5.29M |
|
1137
Travelers Companies
TRV
$77.3B
| $16.1M | 0.01% |
48,732
-297,624
| -86% | -$90.2M |
|
1138
Rush Enterprises Class A
RUSHA
$8.53B
| $16.1M | 0.01% |
220,327
+68,786
| +45% | +$4.85M |
|
1139
Playtika
PLTK
$923M
| $16.1M | 0.01% |
4,316,232
+34,593
| +0.8% | +$120K |
|
|
IAUX
1140
i-80 Gold Corp
IAUX
$1.66B
| $16M | 0.01% |
11,095,670
+6,165,400
| +125% | +$9.52M |
|
1141
Oxford Industries
OXM
$546M
| $15.9M | 0.01% |
457,172
+132,540
| +41% | +$5.51M |
|
1142
Vaxcyte
PCVX
$9.21B
| $15.9M | 0.01% |
273,876
+162,566
| +146% | +$8.83M |
|
1143
Vornado Realty Trust
VNO
$7.26B
| $15.9M | 0.01% |
405,067
-300,939
| -43% | -$9.73M |
|
1144
Vermilion Energy
VET
$1.92B
| $15.9M | 0.01% |
1,698,359
+401,816
| +31% | +$4.78M |
|
1145
United Rentals
URI
$67.4B
| $15.9M | 0.01% |
14,035
-62,908
| -82% | -$59.8M |
|
|
CGAU
1146
Centerra Gold
CGAU
$4.59B
| $15.9M | 0.01% |
999,881
-552,398
| -36% | -$9.68M |
|
1147
DoubleVerify
DV
$2.06B
| $15.8M | 0.01% |
1,458,525
+902,114
| +162% | +$9.28M |
|
|
INGM
1148
Ingram Micro Holding
INGM
$6.41B
| $15.8M | 0.01% |
575,773
+415,287
| +259% | +$11.7M |
|
1149
Kearny Financial
KRNY
$618M
| $15.8M | 0.01% |
1,668,122
+42,437
| +3% | +$349K |
|
1150
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$576M
| $15.7M | 0.01% |
256,000
+180,200
| +238% | +$10.6M |
|
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.