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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 | |
|---|---|---|---|---|---|---|---|
3176
CALL
GE HealthCare
GEHC
$31.2B
| $1.52M | ﹤0.01% |
23,800
+18,800
| +376% | +$1.24M |
2026 Q1
1 quarter
|
|
3177
EnerSys
ENS
$6.38B
| $1.52M | ﹤0.01% |
6,509
+1,909
| +42% | +$415K |
2026 Q1
1 quarter
|
|
3178
Phoenix Education Partners
PXED
$853M
| $1.52M | ﹤0.01% |
46,296
+18,681
| +68% | +$558K |
2026 Q1
1 quarter
|
|
3179
iShares US Small Cap Value Factor ETF
SVAL
$159M
| $1.52M | ﹤0.01% |
36,300
| – | – |
2026 Q1
1 quarter
|
|
3180
CALL
Qualcomm
QCOM
$190B
| $1.52M | ﹤0.01% |
8,200
-9,200
| -53% | -$1.72M |
2025 Q3
3 quarters
|
|
3181
PUT
Nucor
NUE
$60B
| $1.51M | ﹤0.01% |
6,800
+100
| +1% | +$22.6K |
2025 Q4
2 quarters
|
|
3182
Hain Celestial
HAIN
$18.3M
| $1.51M | ﹤0.01% |
2,701,937
-107,178
| -4% | -$79.5K |
2023 Q2
12 quarters
|
|
3183
PUT
Realty Income
O
$52.4B
| $1.51M | ﹤0.01% |
24,400
+11,800
| +94% | +$736K |
2025 Q3
3 quarters
|
|
3184
BioAge Labs
BIOA
$253M
| $1.5M | ﹤0.01% |
61,394
+14,443
| +31% | +$261K |
2025 Q1
5 quarters
|
|
3185
PUT
Expand Energy Corp
EXE
$21.5B
| $1.5M | ﹤0.01% |
16,500
+13,500
| +450% | +$1.28M |
2025 Q3
3 quarters
|
|
3186
Neuberger Next Generation Connectivity Fund Inc
NBXG
$1.19B
| $1.5M | ﹤0.01% |
90,765
| – | – |
2025 Q2
4 quarters
|
|
3187
CALL
Nu Holdings
NU
$72.7B
| $1.5M | ﹤0.01% |
112,300
+500
| +0.4% | +$6.74K |
2025 Q4
2 quarters
|
|
3188
Citizens & Northern Corp
CZNC
$460M
| $1.5M | ﹤0.01% |
64,339
+18,787
| +41% | +$415K |
2026 Q1
1 quarter
|
|
3189
Vera Bradley
VRA
$174M
| $1.5M | ﹤0.01% |
385,359
+78,582
| +26% | +$290K |
2025 Q3
3 quarters
|
|
3190
CALL
Cummins
CMI
$74.6B
| $1.5M | ﹤0.01% |
+2,100
| New | +$1.38M |
2026 Q2
0 quarters
|
|
3191
PUT
Southwest Airlines
LUV
$19.5B
| $1.5M | ﹤0.01% |
+29,100
| New | +$1.22M |
2026 Q2
0 quarters
|
|
3192
High Tide
HITI
$241M
| $1.49M | ﹤0.01% |
654,932
+107,698
| +20% | +$256K |
2024 Q2
8 quarters
|
|
3193
PUT
Axsome Therapeutics
AXSM
$8.19B
| $1.49M | ﹤0.01% |
6,100
+2,400
| +65% | +$520K |
2026 Q1
1 quarter
|
|
3194
Korn Ferry
KFY
$4.09B
| $1.49M | ﹤0.01% |
+22,413
| New | +$1.52M |
2026 Q2
0 quarters
|
|
3195
CALL
Roku
ROKU
$23.4B
| $1.49M | ﹤0.01% |
10,800
+7,800
| +260% | +$951K |
2025 Q3
3 quarters
|
|
|
ABTC
3196
American Bitcoin Corp
ABTC
$629M
| $1.49M | ﹤0.01% |
145,945
+105,870
| +264% | +$1.62M |
2025 Q4
2 quarters
|
|
3197
QuinStreet
QNST
$938M
| $1.49M | ﹤0.01% |
101,734
+65,388
| +180% | +$821K |
2025 Q2
4 quarters
|
|
3198
CALL
Dave Inc
DAVE
$4.81B
| $1.49M | ﹤0.01% |
4,000
+2,000
| +100% | +$520K |
2025 Q4
2 quarters
|
|
3199
Janus Henderson Small Cap Growth Alpha ETF
JSML
$361M
| $1.49M | ﹤0.01% |
+16,000
| New | +$1.34M |
2026 Q2
0 quarters
|
|
3200
Daktronics
DAKT
$919M
| $1.49M | ﹤0.01% |
76,039
-40,660
| -35% | -$805K |
2021 Q4
18 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.