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 | |
|---|---|---|---|---|---|---|
|
ETSS
2851
Energy Transition Special Opportunities
ETSS
$199M
| $2.17M | ﹤0.01% |
+219,947
| New | +$2.17M |
|
|
PONO
2852
Pono Capital Four Inc
PONO
$122M
| $2.17M | ﹤0.01% |
+217,499
| New | +$2.16M |
|
|
KTWO
2853
K2 Capital Acquisition Corp
KTWO
$201M
| $2.16M | ﹤0.01% |
217,499
| – | – |
|
2854
Williams Companies
WMB
$86.2B
| $2.16M | ﹤0.01% |
29,099
| – | – |
|
2855
CALL
Salesforce
CRM
$171B
| $2.16M | ﹤0.01% |
13,800
-35,400
| -72% | -$6.22M |
|
2856
Ulta Beauty
ULTA
$22.4B
| $2.16M | ﹤0.01% |
4,780
+1,920
| +67% | +$975K |
|
2857
Bunge Global
BG
$21.7B
| $2.15M | ﹤0.01% |
20,179
+17,953
| +807% | +$2.21M |
|
|
XRN
2858
Chiron Real Estate Inc
XRN
$492M
| $2.14M | ﹤0.01% |
57,137
-35,997
| -39% | -$1.28M |
|
2859
VictoryShares Small Cap Free Cash Flow ETF
SFLO
$752M
| $2.14M | ﹤0.01% |
+62,600
| New | +$2.04M |
|
2860
Inspire Small/Mid Cap Impact ETF
ISMD
$342M
| $2.14M | ﹤0.01% |
42,800
+11,700
| +38% | +$533K |
|
2861
GoodRx Holdings
GDRX
$1.18B
| $2.14M | ﹤0.01% |
742,181
+553,810
| +294% | +$1.41M |
|
|
CBLL
2862
CeriBell Inc
CBLL
$929M
| $2.14M | ﹤0.01% |
109,867
-216,165
| -66% | -$4.1M |
|
|
2863
PUT
Salesforce
CRM
$171B
| $2.13M | ﹤0.01% |
13,600
-48,000
| -78% | -$8.44M |
|
2864
Omega Flex
OFLX
$276M
| $2.13M | ﹤0.01% |
67,853
+13,514
| +25% | +$420K |
|
2865
Columbia Sportswear
COLM
$3.09B
| $2.13M | ﹤0.01% |
34,432
+9,158
| +36% | +$567K |
|
2866
Dine Brands
DIN
$454M
| $2.12M | ﹤0.01% |
59,121
-278,906
| -83% | -$8.33M |
|
2867
DMC Global
BOOM
$144M
| $2.12M | ﹤0.01% |
365,095
+347,331
| +1,955% | +$2.26M |
|
2868
ProQR Therapeutics
PRQR
$330M
| $2.12M | ﹤0.01% |
1,138,715
+219,858
| +24% | +$362K |
|
2869
PUT
Motorola Solutions
MSI
$79.5B
| $2.12M | ﹤0.01% |
5,100
+2,300
| +82% | +$963K |
|
2870
CALL
Wingstop
WING
$3.14B
| $2.12M | ﹤0.01% |
12,200
+4,600
| +61% | +$725K |
|
2871
First United
FUNC
$277M
| $2.11M | ﹤0.01% |
47,822
+10,065
| +27% | +$393K |
|
2872
Stock Yards Bancorp
SYBT
$2.55B
| $2.11M | ﹤0.01% |
27,556
-34,902
| -56% | -$2.51M |
|
2873
PUT
Molina Healthcare
MOH
$10.5B
| $2.1M | ﹤0.01% |
9,200
+1,000
| +12% | +$181K |
|
2874
Weave Communications
WEAV
$583M
| $2.1M | ﹤0.01% |
350,917
-214,812
| -38% | -$1.17M |
|
|
OMDA
2875
Omada Health Inc
OMDA
$1.46B
| $2.1M | ﹤0.01% |
95,756
+66,856
| +231% | +$1.07M |
|
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.