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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 | |
|---|---|---|---|---|---|---|---|
1651
Teva Pharmaceutical Industries Limited
TEVA
$47.6B
| $7.84M | 0.01% |
231,287
-135,504
| -37% | -$4.51M |
2021 Q2
20 quarters
|
|
1652
Salesforce
CRM
$200B
| $7.82M | 0.01% |
49,919
+45,014
| +918% | +$7.92M |
2024 Q2
8 quarters
|
|
1653
Archimedes Tech SPAC Partners II Co
ATII
$212M
| $7.82M | 0.01% |
725,000
| – | – |
2025 Q2
4 quarters
|
|
1654
Verra Mobility
VRRM
$457M
| $7.8M | 0.01% |
1,834,201
+1,801,901
| +5,579% | +$19M |
2026 Q1
1 quarter
|
|
1655
Takeda Pharmaceutical
TAK
$64.1B
| $7.79M | 0.01% |
485,733
+174,033
| +56% | +$2.88M |
2026 Q1
1 quarter
|
|
|
AXIA
1656
DELISTED
AXIA Energia
AXIA
| $7.78M | 0.01% |
736,552
-335,974
| -31% | -$3.82M |
2023 Q1
13 quarters
|
|
1657
UMB Financial
UMBF
$10.1B
| $7.77M | 0.01% |
54,433
-7,402
| -12% | -$951K |
2023 Q3
11 quarters
|
|
1658
CALL
Silicon Motion
SIMO
$7.25B
| $7.77M | 0.01% |
23,300
+20,100
| +628% | +$4.66M |
2025 Q4
2 quarters
|
|
1659
Cognizant
CTSH
$30.7B
| $7.73M | 0.01% |
+199,638
| New | +$10.5M |
2026 Q2
0 quarters
|
|
1660
Ryerson Holding Corp
RYZ
$1.44B
| $7.72M | 0.01% |
313,790
+45,249
| +17% | +$1.2M |
2025 Q4
2 quarters
|
|
1661
Bentley Systems
BSY
$11.5B
| $7.72M | 0.01% |
258,218
-813,752
| -76% | -$26.5M |
2025 Q4
2 quarters
|
|
1662
Hanmi Financial
HAFC
$933M
| $7.71M | 0.01% |
238,045
-110,602
| -32% | -$3.3M |
2022 Q4
14 quarters
|
|
1663
Range Resources
RRC
$10.2B
| $7.71M | 0.01% |
207,292
+23,199
| +13% | +$942K |
2021 Q3
19 quarters
|
|
1664
Community West Bancshares
CWBC
$698M
| $7.71M | 0.01% |
+286,953
| New | +$6.98M |
2026 Q2
0 quarters
|
|
1665
PUT
SoFi Technologies
SOFI
$19B
| $7.69M | 0.01% |
429,100
-842,500
| -66% | -$14.3M |
2025 Q3
3 quarters
|
|
1666
GeoPark
GPRK
$758M
| $7.69M | 0.01% |
845,282
-60,346
| -7% | -$588K |
2023 Q3
11 quarters
|
|
1667
Appian
APPN
$3.19B
| $7.69M | 0.01% |
335,630
+216,564
| +182% | +$4.82M |
2025 Q2
4 quarters
|
|
1668
Medline Inc
MDLN
$31.1B
| $7.67M | 0.01% |
194,567
-943,981
| -83% | -$38M |
2025 Q4
2 quarters
|
|
1669
Welltower
WELL
$172B
| $7.67M | 0.01% |
33,799
-141,152
| -81% | -$29.8M |
2025 Q3
3 quarters
|
|
1670
Vulcan Materials
VMC
$33.9B
| $7.66M | 0.01% |
25,964
+4,424
| +21% | +$1.27M |
2022 Q2
16 quarters
|
|
1671
PUT
JPMorgan Chase
JPM
$890B
| $7.66M | 0.01% |
23,400
-79,800
| -77% | -$24.8M |
2025 Q4
2 quarters
|
|
1672
Texas Ventures Acquisition III Corp
TVA
$319M
| $7.65M | 0.01% |
725,000
| – | – |
2025 Q2
4 quarters
|
|
1673
Karat Packaging
KRT
$1.08B
| $7.64M | 0.01% |
228,316
+19,559
| +9% | +$563K |
2023 Q3
11 quarters
|
|
1674
Johnson Outdoors
JOUT
$458M
| $7.64M | 0.01% |
165,916
+41,948
| +34% | +$1.99M |
2023 Q1
13 quarters
|
|
1675
Autoliv
ALV
$8.45B
| $7.63M | 0.01% |
65,700
-184,158
| -74% | -$21.9M |
2025 Q2
4 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.