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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
+649.66%
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 | |
|---|---|---|---|---|---|---|---|
3026
Forefront Tech Holdings Acquisition Corp
FTHA
| $1.79M | ﹤0.01% |
+181,250
| New | +$1.8M |
2026 Q2
0 quarters
|
|
3027
LSI Industries
LYTS
$734M
| $1.79M | ﹤0.01% |
67,447
-266,319
| -80% | -$6.15M |
2025 Q2
4 quarters
|
|
3028
Shreya Acquisition Group
SAGU
$162M
| $1.79M | ﹤0.01% |
+181,250
| New | +$1.79M |
2026 Q2
0 quarters
|
|
3029
CALL
D.R. Horton
DHI
$40.9B
| $1.79M | ﹤0.01% |
11,000
+6,000
| +120% | +$895K |
2025 Q3
3 quarters
|
|
|
3030
PUT
D.R. Horton
DHI
$40.9B
| $1.79M | ﹤0.01% |
11,000
+7,000
| +175% | +$1.04M |
2025 Q3
3 quarters
|
|
3031
RF Acquisition Corp III
RFAM
$139M
| $1.79M | ﹤0.01% |
181,250
| – | – |
2026 Q1
1 quarter
|
|
3032
Maywood Acquisition Corp 2
MYX
| $1.79M | ﹤0.01% |
+181,250
| New | +$1.79M |
2026 Q2
0 quarters
|
|
3033
Blue Owl Capital
OBDC
$4.97B
| $1.79M | ﹤0.01% |
164,652
-1,264,876
| -88% | -$14.2M |
2025 Q3
3 quarters
|
|
3034
PUT
Modine Manufacturing
MOD
$7.23B
| $1.79M | ﹤0.01% |
6,700
-14,000
| -68% | -$3.69M |
2025 Q4
2 quarters
|
|
3035
Valaris
VAL
$6.19B
| $1.79M | ﹤0.01% |
+24,628
| New | +$2.29M |
2026 Q2
0 quarters
|
|
3036
CALL
Bank of America
BAC
$355B
| $1.78M | ﹤0.01% |
31,300
-90,000
| -74% | -$4.79M |
2026 Q1
1 quarter
|
|
3037
Target
TGT
$70.3B
| $1.78M | ﹤0.01% |
+13,646
| New | +$1.73M |
2026 Q2
0 quarters
|
|
3038
CALL
Cardinal Health
CAH
$59.8B
| $1.78M | ﹤0.01% |
7,500
-3,000
| -29% | -$623K |
2026 Q1
1 quarter
|
|
3039
Talos Energy
TALO
$2.88B
| $1.78M | ﹤0.01% |
137,621
+83,738
| +155% | +$1.25M |
2026 Q1
1 quarter
|
|
3040
Invesco KBW Property & Casualty Insurance ETF
KBWP
$304M
| $1.77M | ﹤0.01% |
14,000
-29,900
| -68% | -$3.6M |
2025 Q2
4 quarters
|
|
3041
Sprinklr
CXM
$1.55B
| $1.77M | ﹤0.01% |
342,207
+205,107
| +150% | +$1.09M |
2026 Q1
1 quarter
|
|
3042
OneSpan
OSPN
$709M
| $1.76M | ﹤0.01% |
122,854
-147,005
| -54% | -$1.86M |
2025 Q4
2 quarters
|
|
3043
Procore
PCOR
$9.48B
| $1.76M | ﹤0.01% |
+43,263
| New | +$2.14M |
2026 Q2
0 quarters
|
|
3044
Velo3D Inc
VELO
$209M
| $1.75M | ﹤0.01% |
99,936
+77,897
| +353% | +$1.35M |
2025 Q4
2 quarters
|
|
3045
Red Cat Holdings
RCAT
$686M
| $1.75M | ﹤0.01% |
+164,172
| New | +$1.89M |
2026 Q2
0 quarters
|
|
3046
CALL
Zoetis
ZTS
$33.7B
| $1.74M | ﹤0.01% |
24,200
+6,700
| +38% | +$631K |
2026 Q1
1 quarter
|
|
3047
Invesco PHLX Semiconductor ETF
SOXQ
$2.71B
| $1.74M | ﹤0.01% |
15,500
-40,900
| -73% | -$3.7M |
2025 Q4
2 quarters
|
|
3048
CALL
Moderna
MRNA
$90.5B
| $1.74M | ﹤0.01% |
24,800
-30,800
| -55% | -$1.59M |
2025 Q4
2 quarters
|
|
3049
CALL
BP
BP
$127B
| $1.74M | ﹤0.01% |
47,000
+31,400
| +201% | +$1.38M |
2026 Q1
1 quarter
|
|
3050
PUT
Shift4
FOUR
$3.19B
| $1.74M | ﹤0.01% |
35,700
+24,600
| +222% | +$1.06M |
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.