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 | |
|---|---|---|---|---|---|---|
|
Q
101
Qnity Electronics Inc
Q
$27B
| $283M | 0.2% |
1,731,805
+303,550
| +21% | +$44.7M |
|
|
102
Dell
DELL
$286B
| $283M | 0.2% |
655,299
-2,378,034
| -78% | -$688M |
|
103
GlobalFoundries
GFS
$26.4B
| $282M | 0.2% |
3,417,505
+743,208
| +28% | +$51.9M |
|
104
Gartner
IT
$12.4B
| $276M | 0.2% |
2,129,702
+1,002,557
| +89% | +$151M |
|
105
Motorola Solutions
MSI
$79.5B
| $269M | 0.2% |
648,754
-134,796
| -17% | -$56.4M |
|
106
Capital One
COF
$134B
| $269M | 0.2% |
1,342,795
+1,273,481
| +1,837% | +$244M |
|
107
Pinnacle West Capital
PNW
$11.8B
| $269M | 0.2% |
2,517,347
+328,805
| +15% | +$33.6M |
|
108
Agree Realty
ADC
$9.19B
| $268M | 0.19% |
3,535,058
-506,635
| -13% | -$38.4M |
|
109
Viavi Solutions
VIAV
$9.6B
| $267M | 0.19% |
5,586,573
+3,837,155
| +219% | +$184M |
|
110
Monolithic Power Systems
MPWR
$64.7B
| $263M | 0.19% |
190,505
+178,487
| +1,485% | +$268M |
|
111
Core Scientific
CORZ
$5.72B
| $263M | 0.19% |
10,275,907
+4,689,937
| +84% | +$110M |
|
112
Medtronic
MDT
$119B
| $254M | 0.18% |
3,240,847
+2,635,279
| +435% | +$213M |
|
113
Deutsche Bank
DB
$71.1B
| $253M | 0.18% |
7,481,669
+2,877,833
| +63% | +$93.3M |
|
114
Crown Holdings
CCK
$13B
| $251M | 0.18% |
2,247,924
-242,093
| -10% | -$24.5M |
|
115
Intercontinental Exchange
ICE
$90.5B
| $250M | 0.18% |
+2,029,234
| New | +$304M |
|
116
Wayfair
W
$13.9B
| $241M | 0.17% |
2,612,733
+108,738
| +4% | +$8.01M |
|
117
Nasdaq
NDAQ
$54.9B
| $240M | 0.17% |
3,039,828
+704,581
| +30% | +$61.8M |
|
118
Onto Innovation
ONTO
$17.9B
| $240M | 0.17% |
632,976
+320,314
| +102% | +$90.6M |
|
119
Invesco QQQ Trust
QQQ
$486B
| $238M | 0.17% |
323,080
-332,344
| -51% | -$229M |
|
120
D.R. Horton
DHI
$41.5B
| $237M | 0.17% |
1,455,418
+508,041
| +54% | +$75.8M |
|
121
State Street SPDR S&P Biotech ETF
XBI
$11.2B
| $237M | 0.17% |
1,497,968
+1,156,799
| +339% | +$156M |
|
122
Arm
ARM
$260B
| $234M | 0.17% |
660,156
+80,118
| +14% | +$21.3M |
|
123
Silicon Motion
SIMO
$8.76B
| $234M | 0.17% |
701,105
+426,528
| +155% | +$98.8M |
|
124
Lennar Class A
LEN
$21B
| $233M | 0.17% |
2,571,015
-32,922
| -1% | -$2.94M |
|
|
FIG
125
Figma
FIG
$14.4B
| $230M | 0.17% |
12,727,784
+1,569,435
| +14% | +$31.6M |
|
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.