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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 | |
|---|---|---|---|---|---|---|---|
1426
CVR Energy
CVI
$6.02B
| $10.5M | 0.01% |
380,292
-126,620
| -25% | -$4.02M |
2023 Q3
11 quarters
|
|
1427
Vitamin Cottage Natural Grocers
NGVC
$686M
| $10.5M | 0.01% |
337,311
-70,701
| -17% | -$2.03M |
2022 Q2
16 quarters
|
|
1428
Brandywine Realty Trust
BDN
$448M
| $10.4M | 0.01% |
3,288,148
+77,302
| +2% | +$232K |
2023 Q2
12 quarters
|
|
1429
SEI Investments
SEIC
$12.6B
| $10.4M | 0.01% |
118,660
+99,460
| +518% | +$8.68M |
2026 Q1
1 quarter
|
|
1430
Chemed
CHE
$6.64B
| $10.4M | 0.01% |
22,325
-279,262
| -93% | -$117M |
2022 Q4
14 quarters
|
|
1431
Gen Digital
GEN
$14.2B
| $10.4M | 0.01% |
416,904
-118,193
| -22% | -$2.64M |
2026 Q1
1 quarter
|
|
1432
Republic Bancorp
RBCAA
$1.78B
| $10.4M | 0.01% |
114,638
+58,253
| +103% | +$4.61M |
2022 Q1
17 quarters
|
|
1433
LSB Industries
LXU
$755M
| $10.3M | 0.01% |
955,862
+420,567
| +79% | +$5.63M |
2025 Q3
3 quarters
|
|
1434
Kopin
KOPN
$643M
| $10.3M | 0.01% |
2,302,690
+2,247,798
| +4,095% | +$9.8M |
2024 Q2
8 quarters
|
|
1435
Enterprise Financial Services Corp
EFSC
$2.15B
| $10.3M | 0.01% |
156,410
+106,779
| +215% | +$6.42M |
2021 Q2
20 quarters
|
|
1436
PUT
Rocket Lab Corp
RKLB
$32.8B
| $10.3M | 0.01% |
101,300
+33,800
| +50% | +$3.37M |
2025 Q3
3 quarters
|
|
1437
Coty
COTY
$2.81B
| $10.3M | 0.01% |
4,751,529
+3,268,944
| +220% | +$7.05M |
2023 Q4
10 quarters
|
|
1438
Matrix Service
MTRX
$289M
| $10.2M | 0.01% |
748,118
+110,427
| +17% | +$1.42M |
2025 Q3
3 quarters
|
|
1439
Invesco Mortgage Capital
IVR
$571M
| $10.2M | 0.01% |
1,296,579
-917,336
| -41% | -$7.4M |
2022 Q4
14 quarters
|
|
1440
CALL
Constellation Energy
CEG
$93.3B
| $10.2M | 0.01% |
41,200
+26,000
| +171% | +$7.32M |
2025 Q4
2 quarters
|
|
1441
NVR
NVR
$15.5B
| $10.2M | 0.01% |
1,501
+891
| +146% | +$5.66M |
2024 Q2
8 quarters
|
|
1442
Circle Internet Group
CRCL
$20.7B
| $10.2M | 0.01% |
163,136
+79,641
| +95% | +$7.75M |
2025 Q2
4 quarters
|
|
1443
Aveanna Healthcare
AVAH
$2.72B
| $10.2M | 0.01% |
1,192,169
-175,269
| -13% | -$1.24M |
2025 Q3
3 quarters
|
|
1444
Cerus
CERS
$447M
| $10.2M | 0.01% |
3,484,633
+739,612
| +27% | +$1.79M |
2024 Q2
8 quarters
|
|
1445
Driven Brands
DRVN
$1.94B
| $10.2M | 0.01% |
729,718
+103,408
| +17% | +$1.36M |
2026 Q1
1 quarter
|
|
1446
Summit Therapeutics
SMMT
$12.4B
| $10.2M | 0.01% |
696,714
-284,471
| -29% | -$5.04M |
2025 Q3
3 quarters
|
|
1447
ServiceNow
NOW
$150B
| $10.1M | 0.01% |
102,222
-4,533,997
| -98% | -$449M |
2022 Q3
15 quarters
|
|
1448
VEON
VEON
$5.66B
| $10.1M | 0.01% |
193,950
-30,456
| -14% | -$1.59M |
2024 Q2
8 quarters
|
|
1449
State Street SPDR S&P Insurance ETF
KIE
$535M
| $10.1M | 0.01% |
165,700
-183,700
| -53% | -$10.5M |
2025 Q2
4 quarters
|
|
1450
Werner Enterprises
WERN
$1.81B
| $10.1M | 0.01% |
231,689
-26,693
| -10% | -$1.01M |
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.