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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 | |
|---|---|---|---|---|---|---|---|
4826
Niu Technologies
NIU
$150M
| $90K | ﹤0.01% |
+44,800
| New | +$119K |
2026 Q2
0 quarters
|
|
4827
AquaBounty Technologies
AQB
$5.71M
| $88.6K | ﹤0.01% |
82,803
-9,998
| -11% | -$9.7K |
2025 Q3
3 quarters
|
|
4828
Marker Therapeutics
MRKR
$17.3M
| $88.5K | ﹤0.01% |
60,201
-800
| -1% | -$1.17K |
2025 Q3
3 quarters
|
|
4829
Yext
YEXT
$683M
| $88.1K | ﹤0.01% |
18,865
-10,602
| -36% | -$41.2K |
2021 Q2
20 quarters
|
|
4830
Regencell Bioscience
RGC
$4.76B
| $87.7K | ﹤0.01% |
+14,406
| New | +$346K |
2026 Q2
0 quarters
|
|
4831
D-Market Electronic Services & Trading
HEPS
$1.16B
| $86.2K | ﹤0.01% |
29,612
-10,126
| -25% | -$28K |
2025 Q2
4 quarters
|
|
4832
PLAYSTUDIOS Inc
MYPS
$47.6M
| $86.1K | ﹤0.01% |
17,250
-860
| -5% | -$4.14K |
2023 Q2
12 quarters
|
|
4833
TRX Gold Corp
TRX
$344M
| $85.4K | ﹤0.01% |
103,531
-343,804
| -77% | -$399K |
2026 Q1
1 quarter
|
|
4834
BuzzFeed
BZFD
$87.3M
| $84.9K | ﹤0.01% |
+58,124
| New | +$66.8K |
2026 Q2
0 quarters
|
|
4835
Barnwell Industries
BRN
$13.2M
| $84.6K | ﹤0.01% |
+83,787
| New | +$91.2K |
2026 Q2
0 quarters
|
|
4836
Universal Safety Products Inc
UUU
$16M
| $83.8K | ﹤0.01% |
18,256
-6,756
| -27% | -$40.5K |
2025 Q3
3 quarters
|
|
4837
TON Strategy Co
TONX
$148M
| $83.4K | ﹤0.01% |
32,689
+1,390
| +4% | +$4.11K |
2025 Q4
2 quarters
|
|
4838
Sabre
SABR
$678M
| $82.5K | ﹤0.01% |
+39,482
| New | +$69.2K |
2026 Q2
0 quarters
|
|
4839
JE Cleantech Holdings Limited Class A Ordinary Shares
JCSE
$7.67M
| $81.9K | ﹤0.01% |
+57,695
| New | +$73K |
2026 Q2
0 quarters
|
|
4840
Black Diamond Therapeutics
BDTX
$98.8M
| $77.7K | ﹤0.01% |
42,000
-1,300
| -3% | -$3.18K |
2026 Q1
1 quarter
|
|
4841
Millennium Group International
MGIH
$15.3M
| $77.4K | ﹤0.01% |
51,765
-1,480
| -3% | -$2.2K |
2025 Q4
2 quarters
|
|
4842
AN2 Therapeutics
ANTX
$128M
| $77K | ﹤0.01% |
+15,913
| New | +$68.4K |
2026 Q2
0 quarters
|
|
4843
Repay Holdings
RPAY
$334M
| $74.1K | ﹤0.01% |
17,649
-5,251
| -23% | -$18.2K |
2023 Q4
10 quarters
|
|
4844
MAIA Biotechnology
MAIA
$67.9M
| $72.6K | ﹤0.01% |
+50,383
| New | +$66.9K |
2026 Q2
0 quarters
|
|
4845
Lineage Cell Therapeutics
LCTX
$247M
| $72K | ﹤0.01% |
54,947
-33,638
| -38% | -$46.5K |
2024 Q4
6 quarters
|
|
4846
AudioEye
AEYE
$83.7M
| $71.3K | ﹤0.01% |
+12,268
| New | +$85.3K |
2026 Q2
0 quarters
|
|
4847
AEye
LIDR
$40.1M
| $71K | ﹤0.01% |
49,338
+11,320
| +30% | +$20.4K |
2025 Q3
3 quarters
|
|
4848
Odyssey Marine Exploration
OMEX
$37.6M
| $67.6K | ﹤0.01% |
79,485
-13,135
| -14% | -$13.4K |
2024 Q4
6 quarters
|
|
4849
SIMPPLE Ltd
SPPL
$18.3M
| $67.5K | ﹤0.01% |
+17,362
| New | +$50.1K |
2026 Q2
0 quarters
|
|
4850
Intelligent Protection Management Corp
IPM
$22.6M
| $67.1K | ﹤0.01% |
38,577
| – | – |
2025 Q4
2 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.