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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 | |
|---|---|---|---|---|---|---|---|
1401
CoastalSouth Bancshares
COSO
$319M
| $11M | 0.01% |
408,489
+308,434
| +308% | +$7.96M |
2026 Q1
1 quarter
|
|
1402
Structure Therapeutics
GPCR
$1.57B
| $11M | 0.01% |
204,156
+22,741
| +13% | +$1.01M |
2025 Q3
3 quarters
|
|
1403
WisdomTree
WT
$3.23B
| $10.9M | 0.01% |
646,210
-1,028,284
| -61% | -$18.2M |
2022 Q4
14 quarters
|
|
1404
Evertec
EVTC
$1.84B
| $10.9M | 0.01% |
394,044
-154,865
| -28% | -$4.12M |
2024 Q1
9 quarters
|
|
1405
PUT
Uber
UBER
$143B
| $10.9M | 0.01% |
151,600
+98,900
| +188% | +$7.25M |
2026 Q1
1 quarter
|
|
1406
Andersons Inc
ANDE
$2.18B
| $10.9M | 0.01% |
159,854
-25,684
| -14% | -$1.87M |
2024 Q4
6 quarters
|
|
1407
AdvanSix
ASIX
$433M
| $10.9M | 0.01% |
548,516
-64,178
| -10% | -$1.44M |
2024 Q3
7 quarters
|
|
1408
Great Southern Bancorp
GSBC
$845M
| $10.8M | 0.01% |
137,830
+10,300
| +8% | +$726K |
2023 Q3
11 quarters
|
|
1409
ARKO Corp
ARKO
$452M
| $10.8M | 0.01% |
1,340,578
+687,086
| +105% | +$4.82M |
2025 Q4
2 quarters
|
|
1410
China Yuchai International
CYD
$971M
| $10.7M | 0.01% |
226,219
-2,579
| -1% | -$123K |
2025 Q1
5 quarters
|
|
1411
Almonty Industries
ALM
$2.55B
| $10.7M | 0.01% |
646,584
+32,739
| +5% | +$625K |
2025 Q3
3 quarters
|
|
1412
The GEO Group
GEO
$3.66B
| $10.7M | 0.01% |
362,041
-417,797
| -54% | -$9.47M |
2020 Q3
23 quarters
|
|
1413
Manulife Financial
MFC
$72.9B
| $10.7M | 0.01% |
263,870
-1,423,000
| -84% | -$55.1M |
2025 Q1
5 quarters
|
|
1414
New Jersey Resources
NJR
$5.19B
| $10.7M | 0.01% |
190,414
-267,057
| -58% | -$14.9M |
2024 Q3
7 quarters
|
|
1415
Amylyx Pharmaceuticals
AMLX
$3.43B
| $10.7M | 0.01% |
593,435
+431,490
| +266% | +$6.67M |
2023 Q4
10 quarters
|
|
|
ACVA
1416
DELISTED
ACV Auctions
ACVA
| $10.7M | 0.01% |
1,481,846
+402,681
| +37% | +$2.28M |
2025 Q3
3 quarters
|
|
1417
Liberty Global Class A
LBTYA
$2.56B
| $10.6M | 0.01% |
936,130
+786,761
| +527% | +$9.4M |
2025 Q3
3 quarters
|
|
|
1418
PUT
Wells Fargo
WFC
$246B
| $10.6M | 0.01% |
128,400
+45,200
| +54% | +$3.63M |
2025 Q3
3 quarters
|
|
1419
Kforce
KFRC
$904M
| $10.6M | 0.01% |
225,767
-4,640
| -2% | -$189K |
2020 Q2
24 quarters
|
|
1420
Alumis Inc
ALMS
$821M
| $10.6M | 0.01% |
376,119
-281,996
| -43% | -$6.56M |
2025 Q3
3 quarters
|
|
1421
Simply Good Foods
SMPL
$973M
| $10.6M | 0.01% |
+795,482
| New | +$9.8M |
2026 Q2
0 quarters
|
|
1422
Community Healthcare Trust
CHCT
$366M
| $10.6M | 0.01% |
577,354
+22,815
| +4% | +$396K |
2022 Q1
17 quarters
|
|
1423
Himalaya Shipping
HSHP
$760M
| $10.5M | 0.01% |
788,987
-33,691
| -4% | -$486K |
2023 Q4
10 quarters
|
|
1424
Bausch Health
BHC
$2.36B
| $10.5M | 0.01% |
2,135,582
+557,421
| +35% | +$2.99M |
2024 Q3
7 quarters
|
|
1425
Dianthus Therapeutics
DNTH
$4.17B
| $10.5M | 0.01% |
+107,455
| New | +$9.39M |
2026 Q2
0 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.