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 | |
|---|---|---|---|---|---|---|
3676
AeroVironment
AVAV
$8.14B
| $828K | ﹤0.01% |
+5,015
| New | +$898K |
|
3677
ADC Therapeutics
ADCT
$127M
| $828K | ﹤0.01% |
773,414
+105,392
| +16% | +$307K |
|
3678
Chunghwa Telecom
CHT
$33.7B
| $826K | ﹤0.01% |
18,659
+1,259
| +7% | +$55.2K |
|
3679
NextDecade
NEXT
$1.9B
| $826K | ﹤0.01% |
109,486
-215,804
| -66% | -$1.71M |
|
3680
Daily Journal
DJCO
$827M
| $824K | ﹤0.01% |
1,370
| – | – |
|
3681
United States Lime & Minerals
USLM
$3.41B
| $823K | ﹤0.01% |
7,860
+3,394
| +76% | +$394K |
|
3682
CALL
Blue Owl Capital
OWL
$18.2B
| $823K | ﹤0.01% |
94,000
+7,500
| +9% | +$71.3K |
|
3683
Corporacion America
CAAP
$3.83B
| $821K | ﹤0.01% |
32,616
+18,042
| +124% | +$464K |
|
3684
Exelon
EXC
$45.1B
| $821K | ﹤0.01% |
17,614
+6,200
| +54% | +$287K |
|
3685
PUT
Adobe
ADBE
$109B
| $820K | ﹤0.01% |
4,000
-6,100
| -60% | -$1.45M |
|
|
CMRC
3686
Commerce.com Inc Series 1
CMRC
$184M
| $818K | ﹤0.01% |
276,511
+27,611
| +11% | +$79.1K |
|
3687
Academy Sports + Outdoors
ASO
$2.84B
| $818K | ﹤0.01% |
+17,357
| New | +$923K |
|
3688
Seer Inc
SEER
$112M
| $817K | ﹤0.01% |
492,298
-19,300
| -4% | -$35K |
|
3689
PUT
Teva Pharmaceuticals
TEVA
$43.5B
| $817K | ﹤0.01% |
+24,100
| New | +$803K |
|
3690
Comstock
LODE
$267M
| $816K | ﹤0.01% |
196,179
+172,649
| +734% | +$628K |
|
3691
LiveRamp
RAMP
$2.28B
| $816K | ﹤0.01% |
+21,679
| New | +$714K |
|
3692
ARK Web x.0 ETF
ARKW
$1.83B
| $815K | ﹤0.01% |
5,627
-44,300
| -89% | -$6.2M |
|
3693
PUT
Northrop Grumman
NOC
$78.3B
| $815K | ﹤0.01% |
+1,600
| New | +$923K |
|
3694
BigBear.ai
BBAI
$1.54B
| $813K | ﹤0.01% |
221,613
-485,237
| -69% | -$1.94M |
|
3695
CALL
ACM Research
ACMR
$5.53B
| $812K | ﹤0.01% |
6,400
+500
| +8% | +$35.4K |
|
3696
Magnite
MGNI
$3.37B
| $810K | ﹤0.01% |
42,659
-352,197
| -89% | -$5.05M |
|
3697
Mission Produce
AVO
$1.17B
| $809K | ﹤0.01% |
68,641
-12,759
| -16% | -$161K |
|
3698
CALL
Royal Bank of Canada
RY
$285B
| $807K | ﹤0.01% |
3,900
-3,000
| -43% | -$557K |
|
3699
UFP Technologies
UFPT
$2.39B
| $807K | ﹤0.01% |
3,043
-4,800
| -61% | -$1.04M |
|
3700
Stem
STEM
$54.9M
| $806K | ﹤0.01% |
103,234
-72,155
| -41% | -$669K |
|
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.