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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 | |
|---|---|---|---|---|---|---|---|
4726
Digi Power X Inc
DGXX
$266M
| $188K | ﹤0.01% |
34,539
+7,400
| +27% | +$40.3K |
2025 Q4
2 quarters
|
|
4727
PUT
Newell Brands
NWL
$2.41B
| $187K | ﹤0.01% |
+30,500
| New | +$129K |
2026 Q2
0 quarters
|
|
4728
Carlsmed
CARL
$366M
| $187K | ﹤0.01% |
+18,008
| New | +$189K |
2026 Q2
0 quarters
|
|
4729
Cocrystal Pharma
COCP
$19.6M
| $184K | ﹤0.01% |
+175,379
| New | +$216K |
2026 Q2
0 quarters
|
|
4730
Amplify Energy
AMPY
$184M
| $182K | ﹤0.01% |
+45,672
| New | +$234K |
2026 Q2
0 quarters
|
|
4731
First Watch Restaurant Group
FWRG
$748M
| $180K | ﹤0.01% |
14,000
+800
| +6% | +$9.39K |
2022 Q3
15 quarters
|
|
4732
PUT
Viatris
VTRS
$21.4B
| $179K | ﹤0.01% |
+11,300
| New | +$175K |
2026 Q2
0 quarters
|
|
4733
Hello Group
MOMO
$674M
| $179K | ﹤0.01% |
30,871
+6,971
| +29% | +$41.6K |
2026 Q1
1 quarter
|
|
4734
Palladyne AI
PDYN
$187M
| $179K | ﹤0.01% |
29,359
+166
| +0.6% | +$1.1K |
2024 Q4
6 quarters
|
|
4735
Fractyl Health
GUTS
$20.6M
| $178K | ﹤0.01% |
18,711
-21,267
| -53% | -$182K |
2025 Q4
2 quarters
|
|
4736
SelectQuote
SLQT
$58.1M
| $178K | ﹤0.01% |
212,033
+190,575
| +888% | +$173K |
2022 Q3
15 quarters
|
|
4737
DocGo
DCGO
$26.9M
| $177K | ﹤0.01% |
+343,711
| New | +$205K |
2026 Q2
0 quarters
|
|
4738
Conduent
CNDT
$216M
| $177K | ﹤0.01% |
121,300
| – | – |
2023 Q2
12 quarters
|
|
4739
Grab
GRAB
$12B
| $177K | ﹤0.01% |
46,867
-1,822,407
| -97% | -$6.64M |
2022 Q4
14 quarters
|
|
4740
Ascent Solar Technologies
ASTI
$18.2M
| $175K | ﹤0.01% |
+35,057
| New | +$189K |
2026 Q2
0 quarters
|
|
4741
Alpha Tau Medical
DRTS
$1.14B
| $170K | ﹤0.01% |
+13,505
| New | +$123K |
2026 Q2
0 quarters
|
|
4742
Angi Inc
ANGI
$251M
| $170K | ﹤0.01% |
+28,542
| New | +$176K |
2026 Q2
0 quarters
|
|
4743
CALL
Archer Aviation
ACHR
$3.13B
| $167K | ﹤0.01% |
35,400
-27,500
| -44% | -$160K |
2026 Q1
1 quarter
|
|
4744
DELISTED
Olaplex Holdings
OLPX
| $167K | ﹤0.01% |
81,661
+36,961
| +83% | +$75.3K |
2026 Q1
1 quarter
|
|
4745
Enel Chile
ENIC
$6.17B
| $167K | ﹤0.01% |
37,200
-28,720
| -44% | -$126K |
2023 Q2
12 quarters
|
|
4746
Cogent Communications
CCOI
$413M
| $163K | ﹤0.01% |
+11,747
| New | +$217K |
2026 Q2
0 quarters
|
|
4747
FuboTV Inc
FUBO
$242M
| $162K | ﹤0.01% |
+17,661
| New | +$188K |
2026 Q2
0 quarters
|
|
4748
ReNew
RNW
$2.51B
| $162K | ﹤0.01% |
25,900
+1,500
| +6% | +$8.44K |
2026 Q1
1 quarter
|
|
4749
Forward Industries Inc
FWDI
$527M
| $161K | ﹤0.01% |
38,209
-105,539
| -73% | -$471K |
2025 Q4
2 quarters
|
|
4750
Live Ventures
LIVE
$23M
| $159K | ﹤0.01% |
16,682
-2,086
| -11% | -$24.3K |
2025 Q3
3 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.