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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 | |
|---|---|---|---|---|---|---|---|
4851
Cibus
CBUS
$101M
| $66.9K | ﹤0.01% |
48,831
-37,375
| -43% | -$53.3K |
2025 Q4
2 quarters
|
|
4852
Insight Molecular Diagnostics
IMDX
$98.5M
| $65.5K | ﹤0.01% |
+11,101
| New | +$54.8K |
2026 Q2
0 quarters
|
|
4853
Xerox Holdings Corp Warrants
XRXDW
$15.2M
| $64.6K | ﹤0.01% |
234,885
-700
| -0.3% | -$191 |
2026 Q1
1 quarter
|
|
4854
CI&T Inc
CINT
$387M
| $64.5K | ﹤0.01% |
+19,304
| New | +$77.7K |
2026 Q2
0 quarters
|
|
4855
Sundial Growers
SNDL
$308M
| $64K | ﹤0.01% |
47,400
-6,300
| -12% | -$9.02K |
2026 Q1
1 quarter
|
|
4856
Baird Medical Investment Holdings
BDMD
$18.2M
| $63.8K | ﹤0.01% |
55,500
+8,913
| +19% | +$13.9K |
2025 Q4
2 quarters
|
|
4857
Quantum eMotion
QNC
$268M
| $63.8K | ﹤0.01% |
+20,448
| New | +$59.4K |
2026 Q2
0 quarters
|
|
4858
Gemini Space Station
GEMI
$463M
| $63.3K | ﹤0.01% |
+14,850
| New | +$69.9K |
2026 Q2
0 quarters
|
|
4859
Cardiff Oncology
CRDF
$70.1M
| $62K | ﹤0.01% |
47,666
-159,324
| -77% | -$253K |
2022 Q4
14 quarters
|
|
4860
Currenc Group
CURR
$296M
| $61.7K | ﹤0.01% |
22,869
-36,667
| -62% | -$119K |
2025 Q2
4 quarters
|
|
4861
KORU Medical Systems
KRMD
$139M
| $61.4K | ﹤0.01% |
14,611
-77,034
| -84% | -$316K |
2025 Q4
2 quarters
|
|
4862
Foghorn Therapeutics
FHTX
$110M
| $60.7K | ﹤0.01% |
+12,445
| New | +$55.2K |
2026 Q2
0 quarters
|
|
4863
Presidio Property Trust
SQFT
$1.13M
| $59.4K | ﹤0.01% |
+23,631
| New | +$70K |
2026 Q2
0 quarters
|
|
4864
OS Therapies Inc
OSTX
$61.8M
| $57.8K | ﹤0.01% |
30,414
+4,034
| +15% | +$6.77K |
2025 Q3
3 quarters
|
|
4865
Portillo's
PTLO
$338M
| $57.4K | ﹤0.01% |
+12,100
| New | +$58.6K |
2026 Q2
0 quarters
|
|
4866
EON Resources
EONR
$25M
| $53.5K | ﹤0.01% |
121,251
+15,980
| +15% | +$10.6K |
2025 Q1
5 quarters
|
|
4867
Gulf Resources
GURE
$5.66M
| $53.5K | ﹤0.01% |
14,652
-2,931
| -17% | -$13.1K |
2026 Q1
1 quarter
|
|
4868
Mobilicom Ltd
MOB
$38.5M
| $51.8K | ﹤0.01% |
10,088
-2,622
| -21% | -$15.4K |
2025 Q3
3 quarters
|
|
4869
Canopy Growth
CGC
$302M
| $51.1K | ﹤0.01% |
+53,745
| New | +$57K |
2026 Q2
0 quarters
|
|
4870
Adagene
ADAG
$138M
| $50.2K | ﹤0.01% |
+11,953
| New | +$45K |
2026 Q2
0 quarters
|
|
4871
Cypherpunk Technologies Inc
CYPH
$277M
| $49.2K | ﹤0.01% |
80,411
+13,839
| +21% | +$12.6K |
2025 Q1
5 quarters
|
|
4872
KULR Technology Group
KULR
$80.1M
| $48.4K | ﹤0.01% |
+12,710
| New | +$42.3K |
2026 Q2
0 quarters
|
|
4873
5E Advanced Materials
FEAM
$122M
| $47.9K | ﹤0.01% |
34,488
+19,517
| +130% | +$32.5K |
2026 Q1
1 quarter
|
|
4874
Bridger Aerospace
BAER
$30.4M
| $47.9K | ﹤0.01% |
24,930
+1,406
| +6% | +$2.78K |
2025 Q4
2 quarters
|
|
4875
IT Tech Packaging
ITP
$2.32M
| $46.2K | ﹤0.01% |
250,000
-58,100
| -19% | -$11.4K |
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.