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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 | |
|---|---|---|---|---|---|---|---|
1001
TriCo Bancshares
TCBK
$1.66B
| $20.3M | 0.01% |
377,707
+103,499
| +38% | +$5.24M |
2021 Q2
20 quarters
|
|
1002
CTS Corp
CTS
$1.59B
| $20.3M | 0.01% |
311,249
+120,942
| +64% | +$7.25M |
2025 Q3
3 quarters
|
|
1003
Fidelity Enhanced Mid Cap Core ETF
FMDE
$8.26B
| $20.3M | 0.01% |
+499,800
| New | +$19.4M |
2026 Q2
0 quarters
|
|
1004
QXO Inc 5.50% Series B Preferred Stock
QXO.PRB
$401M
| $20.2M | 0.01% |
414,721
+164,069
| +65% | +$8.63M |
2025 Q2
4 quarters
|
|
1005
CALL
Arista Networks
ANET
$229B
| $20.2M | 0.01% |
118,900
+27,400
| +30% | +$4.3M |
2025 Q4
2 quarters
|
|
1006
Ovintiv
OVV
$19.2B
| $20.2M | 0.01% |
383,476
-839,569
| -69% | -$47.9M |
2023 Q4
10 quarters
|
|
1007
MACOM Technology Solutions
MTSI
$20.9B
| $20.1M | 0.01% |
52,965
+13,648
| +35% | +$4.53M |
2026 Q1
1 quarter
|
|
1008
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.22B
| $20.1M | 0.01% |
+75,980
| New | +$20.1M |
2026 Q2
0 quarters
|
|
1009
Celanese
CE
$5.24B
| $20.1M | 0.01% |
436,476
-41,281
| -9% | -$2.39M |
2022 Q4
14 quarters
|
|
1010
CrowdStrike
CRWD
$234B
| $20.1M | 0.01% |
105,180
-2,337,796
| -96% | -$332M |
2022 Q3
15 quarters
|
|
1011
Allstate
ALL
$62.1B
| $20M | 0.01% |
83,957
-373,908
| -82% | -$81.3M |
2022 Q4
14 quarters
|
|
1012
Iridium Communications
IRDM
$4.69B
| $19.9M | 0.01% |
363,685
-38,743
| -10% | -$1.66M |
2025 Q1
5 quarters
|
|
1013
PUT
Trump Media & Technology Group
DJT
$1.91B
| $19.9M | 0.01% |
2,575,400
| – | – |
2025 Q2
4 quarters
|
|
1014
Agios Pharmaceuticals
AGIO
$1.94B
| $19.9M | 0.01% |
536,380
+284,744
| +113% | +$8.64M |
2025 Q3
3 quarters
|
|
1015
Factset
FDS
$10.6B
| $19.9M | 0.01% |
86,499
-258,390
| -75% | -$59.3M |
2022 Q4
14 quarters
|
|
1016
Xometry
XMTR
$5.22B
| $19.9M | 0.01% |
205,888
-6,829
| -3% | -$488K |
2025 Q2
4 quarters
|
|
1017
3D Systems Corp
DDD
$475M
| $19.8M | 0.01% |
6,561,957
+704,351
| +12% | +$1.92M |
2023 Q2
12 quarters
|
|
1018
iShares Core S&P Mid-Cap ETF
IJH
$121B
| $19.8M | 0.01% |
+256,700
| New | +$18.8M |
2026 Q2
0 quarters
|
|
1019
Methanex
MEOH
$5B
| $19.8M | 0.01% |
428,392
+384,095
| +867% | +$22.6M |
2024 Q4
6 quarters
|
|
1020
PUT
Berkshire Hathaway Class B
BRK.B
$1.14T
| $19.8M | 0.01% |
39,500
+6,500
| +20% | +$3.12M |
2025 Q3
3 quarters
|
|
1021
Schwab U.S Small- Cap ETF
SCHA
$21.3B
| $19.8M | 0.01% |
+546,800
| New | +$18.1M |
2026 Q2
0 quarters
|
|
1022
Cincinnati Financial
CINF
$26B
| $19.6M | 0.01% |
106,073
-74,964
| -41% | -$12.4M |
2023 Q2
12 quarters
|
|
1023
Northwest Natural Holdings
NWN
$2.04B
| $19.6M | 0.01% |
400,088
+126,879
| +46% | +$6.5M |
2025 Q2
4 quarters
|
|
1024
CALL
TSMC
TSM
$2.19T
| $19.6M | 0.01% |
41,100
+7,200
| +21% | +$2.92M |
2025 Q4
2 quarters
|
|
1025
Arcus Biosciences
RCUS
$2.82B
| $19.6M | 0.01% |
635,404
+322,714
| +103% | +$7.98M |
2023 Q3
11 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.