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John Overdeck Two Sigma Investments
AUM
$138B
Turnover
29.02%
1-Year Est. Return
41.87%
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.
This Fund
S&P 500
This Quarter Est. Return
+21.14%
1 Year Est. Return
+41.87%
3 Year Est. Return
+122.61%
5 Year Est. Return
+129.48%
10 Year Est. Return
+649.67%
AUM
$138B
AUM Growth
+$14.2B
(+11%)
Cap. Flow
-$5.38B
Cap. Flow % of AUM
Cap. Flow %
-3.9%
Top 10 Holdings %
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572
Avg Time Held
Equity + Options
1.4
years
Top 10 Avg Time Held
Equity + Options
0.2
years
Top 20 Avg Time Held
Equity + Options
0.2
years
Avg Time Held Equity only
1.7
years
Top 10 Avg Time Held Equity only
0.2
years
Top 20 Avg Time Held Equity only
0.2
years
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 |
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.7% |
| 2 | Financials | 15.22% |
| 3 | Miscellaneous | 12.05% |
| 4 | Healthcare | 11.94% |
| 5 | Industrials | 11.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
3676
AeroVironment
AVAV
$5.98B
| $828K | ﹤0.01% |
+5,015
| New | +$898K |
2026 Q2
0 quarters
|
|
3677
ADC Therapeutics
ADCT
$194M
| $828K | ﹤0.01% |
773,414
+105,392
| +16% | +$307K |
2025 Q3
3 quarters
|
|
3678
Chunghwa Telecom
CHT
$36.9B
| $826K | ﹤0.01% |
18,659
+1,259
| +7% | +$55.2K |
2026 Q1
1 quarter
|
|
3679
NextDecade
NEXT
$1.64B
| $826K | ﹤0.01% |
109,486
-215,804
| -66% | -$1.71M |
2022 Q1
17 quarters
|
|
3680
Daily Journal
DJCO
$804M
| $824K | ﹤0.01% |
1,370
| – | – |
2025 Q3
3 quarters
|
|
3681
United States Lime & Minerals
USLM
$3.06B
| $823K | ﹤0.01% |
7,860
+3,394
| +76% | +$394K |
2025 Q1
5 quarters
|
|
3682
CALL
Blue Owl Capital
OWL
$6.29B
| $822K | ﹤0.01% |
94,000
+7,500
| +9% | +$71.3K |
2026 Q1
1 quarter
|
|
3683
Corporacion America
CAAP
$4.11B
| $821K | ﹤0.01% |
32,616
+18,042
| +124% | +$464K |
2025 Q3
3 quarters
|
|
3684
Exelon
EXC
$44.3B
| $821K | ﹤0.01% |
17,614
+6,200
| +54% | +$287K |
2024 Q1
9 quarters
|
|
3685
PUT
Adobe
ADBE
$100B
| $820K | ﹤0.01% |
4,000
-6,100
| -60% | -$1.45M |
2026 Q1
1 quarter
|
|
3686
Commerce.com Inc Series 1
CMRC
$315M
| $818K | ﹤0.01% |
276,511
+27,611
| +11% | +$79.1K |
2025 Q3
3 quarters
|
|
3687
Academy Sports + Outdoors
ASO
$3.67B
| $818K | ﹤0.01% |
+17,357
| New | +$923K |
2026 Q2
0 quarters
|
|
3688
Seer Inc
SEER
$110M
| $817K | ﹤0.01% |
492,298
-19,300
| -4% | -$35K |
2023 Q4
10 quarters
|
|
3689
PUT
Teva Pharmaceutical Industries Limited
TEVA
$47.6B
| $817K | ﹤0.01% |
+24,100
| New | +$803K |
2026 Q2
0 quarters
|
|
3690
Comstock
LODE
$132M
| $816K | ﹤0.01% |
196,179
+172,649
| +734% | +$628K |
2025 Q3
3 quarters
|
|
3691
LiveRamp
RAMP
$2.32B
| $816K | ﹤0.01% |
+21,679
| New | +$714K |
2026 Q2
0 quarters
|
|
3692
ARK Next Generation Technology ETF
ARKW
$1.87B
| $815K | ﹤0.01% |
5,627
-44,300
| -89% | -$6.2M |
2025 Q3
3 quarters
|
|
3693
PUT
Northrop Grumman
NOC
$75.9B
| $815K | ﹤0.01% |
+1,600
| New | +$923K |
2026 Q2
0 quarters
|
|
3694
BigBear.ai
BBAI
$1.04B
| $813K | ﹤0.01% |
221,613
-485,237
| -69% | -$1.94M |
2024 Q4
6 quarters
|
|
3695
CALL
ACM Research
ACMR
$3.83B
| $812K | ﹤0.01% |
6,400
+500
| +8% | +$35.4K |
2026 Q1
1 quarter
|
|
3696
Magnite
MGNI
$3.41B
| $810K | ﹤0.01% |
42,659
-352,197
| -89% | -$5.05M |
2021 Q1
21 quarters
|
|
3697
Mission Produce
AVO
$1.04B
| $809K | ﹤0.01% |
68,641
-12,759
| -16% | -$161K |
2025 Q4
2 quarters
|
|
3698
CALL
Royal Bank of Canada
RY
$276B
| $807K | ﹤0.01% |
3,900
-3,000
| -43% | -$557K |
2026 Q1
1 quarter
|
|
3699
UFP Technologies
UFPT
$2.26B
| $807K | ﹤0.01% |
3,043
-4,800
| -61% | -$1.04M |
2024 Q4
6 quarters
|
|
3700
Stem
STEM
$33.7M
| $806K | ﹤0.01% |
103,234
-72,155
| -41% | -$669K |
2022 Q1
17 quarters
|
|
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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 $5.38B 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 Miscellaneous.
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.