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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 | |
|---|---|---|---|---|---|---|---|
4651
SMJ International Holdings
SMJF
$51M
| $218K | ﹤0.01% |
+42,809
| New | +$177K |
2026 Q2
0 quarters
|
|
4652
Invesco Pharmaceuticals ETF
PJP
$551M
| $217K | ﹤0.01% |
1,836
-22,664
| -93% | -$2.45M |
2026 Q1
1 quarter
|
|
4653
Lipocine
LPCN
$12.6M
| $217K | ﹤0.01% |
84,887
+51,137
| +152% | +$123K |
2026 Q1
1 quarter
|
|
4654
PUT
Globant
GLOB
$1.73B
| $217K | ﹤0.01% |
+7,500
| New | +$300K |
2026 Q2
0 quarters
|
|
4655
PUT
Albemarle
ALB
$11.2B
| $216K | ﹤0.01% |
1,600
-5,200
| -76% | -$917K |
2025 Q4
2 quarters
|
|
4656
PUT
Prudential Financial
PRU
$39.2B
| $216K | ﹤0.01% |
+2,000
| New | +$203K |
2026 Q2
0 quarters
|
|
4657
PUT
Wabtec
WAB
$48.4B
| $216K | ﹤0.01% |
800
-1,200
| -60% | -$317K |
2026 Q1
1 quarter
|
|
4658
CALL
Concentrix
CNXC
$1.72B
| $215K | ﹤0.01% |
+9,600
| New | +$250K |
2026 Q2
0 quarters
|
|
4659
Integer Holdings
ITGR
$4.31B
| $215K | ﹤0.01% |
2,300
-2,400
| -51% | -$213K |
2024 Q1
9 quarters
|
|
4660
CALL
TD Synnex
SNX
$19.8B
| $214K | ﹤0.01% |
+800
| New | +$193K |
2026 Q2
0 quarters
|
|
4661
CALL
Western Alliance Bancorporation
WAL
$8.03B
| $214K | ﹤0.01% |
+2,600
| New | +$205K |
2026 Q2
0 quarters
|
|
4662
PUT
Ferguson
FERG
$43.8B
| $214K | ﹤0.01% |
+900
| New | +$217K |
2026 Q2
0 quarters
|
|
4663
On Holding
ONON
$11.8B
| $213K | ﹤0.01% |
6,018
-4,018
| -40% | -$147K |
2022 Q2
16 quarters
|
|
4664
CAE Inc
CAE
$7.89B
| $213K | ﹤0.01% |
8,500
-11,106
| -57% | -$287K |
2024 Q2
8 quarters
|
|
4665
PUT
Klaviyo
KVYO
$4.99B
| $213K | ﹤0.01% |
+14,100
| New | +$234K |
2026 Q2
0 quarters
|
|
4666
Virco
VIRC
$101M
| $213K | ﹤0.01% |
34,673
-14,463
| -29% | -$87.7K |
2024 Q4
6 quarters
|
|
4667
Reinsurance Group of America
RGA
$17.4B
| $213K | ﹤0.01% |
+1,000
| New | +$209K |
2026 Q2
0 quarters
|
|
4668
PUT
TC Energy
TRP
$63.2B
| $212K | ﹤0.01% |
+3,200
| New | +$212K |
2026 Q2
0 quarters
|
|
4669
PUT
Viper Energy
VNOM
$8.85B
| $212K | ﹤0.01% |
+5,000
| New | +$231K |
2026 Q2
0 quarters
|
|
4670
PUT
Masco
MAS
$14.4B
| $212K | ﹤0.01% |
+2,600
| New | +$181K |
2026 Q2
0 quarters
|
|
4671
CALL
Hormel Foods
HRL
$11.2B
| $211K | ﹤0.01% |
+8,500
| New | +$189K |
2026 Q2
0 quarters
|
|
4672
LoveSac
LOVE
$208M
| $211K | ﹤0.01% |
12,634
-2,491
| -16% | -$39.4K |
2023 Q1
13 quarters
|
|
4673
First Trust Rising Dividend Achievers ETF
RDVY
$25.4B
| $211K | ﹤0.01% |
2,600
-841,800
| -100% | -$63.3M |
2026 Q1
1 quarter
|
|
4674
GigaCloud Technology
GCT
$2.07B
| $211K | ﹤0.01% |
+6,667
| New | +$263K |
2026 Q2
0 quarters
|
|
4675
Brady Corp
BRC
$3.84B
| $211K | ﹤0.01% |
2,300
-600
| -21% | -$49.9K |
2026 Q1
1 quarter
|
|
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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.