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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 | |
|---|---|---|---|---|---|---|---|
4101
CALL
Exelon
EXC
$44.3B
| $485K | ﹤0.01% |
10,400
+2,700
| +35% | +$125K |
2026 Q1
1 quarter
|
|
4102
McGraw Hill
MH
$2.73B
| $484K | ﹤0.01% |
51,110
-76,209
| -60% | -$919K |
2025 Q3
3 quarters
|
|
4103
Franklin Financial Services
FRAF
$283M
| $484K | ﹤0.01% |
7,731
-150
| -2% | -$8.67K |
2025 Q3
3 quarters
|
|
4104
Columbus McKinnon
CMCO
$416M
| $484K | ﹤0.01% |
31,981
+3,300
| +12% | +$49.1K |
2025 Q3
3 quarters
|
|
4105
New Pacific Metals
NEWP
$1.21B
| $484K | ﹤0.01% |
120,298
-16,802
| -12% | -$82.6K |
2025 Q4
2 quarters
|
|
4106
Alico
ALCO
$277M
| $484K | ﹤0.01% |
11,688
+4,358
| +59% | +$181K |
2026 Q1
1 quarter
|
|
4107
PUT
Krystal Biotech
KRYS
$9.6B
| $483K | ﹤0.01% |
+1,300
| New | +$388K |
2026 Q2
0 quarters
|
|
4108
PUT
PACCAR
PCAR
$57.9B
| $480K | ﹤0.01% |
+4,000
| New | +$472K |
2026 Q2
0 quarters
|
|
4109
HNI Corp
HNI
$3.32B
| $480K | ﹤0.01% |
11,886
-7,500
| -39% | -$255K |
2025 Q3
3 quarters
|
|
4110
CALL
Brookfield Asset Management
BAM
$73.4B
| $480K | ﹤0.01% |
+10,700
| New | +$505K |
2026 Q2
0 quarters
|
|
4111
Neuropace
NPCE
$464M
| $480K | ﹤0.01% |
30,192
-43,900
| -59% | -$706K |
2024 Q4
6 quarters
|
|
4112
Targa Resources
TRGP
$62.8B
| $479K | ﹤0.01% |
+1,788
| New | +$459K |
2026 Q2
0 quarters
|
|
4113
CALL
PayPal
PYPL
$48.9B
| $479K | ﹤0.01% |
11,100
-101,600
| -90% | -$4.62M |
2025 Q4
2 quarters
|
|
4114
PUT
Symbotic
SYM
$5.15B
| $476K | ﹤0.01% |
+10,600
| New | +$540K |
2026 Q2
0 quarters
|
|
4115
Design Therapeutics
DSGN
$695M
| $476K | ﹤0.01% |
32,925
+16,625
| +102% | +$207K |
2022 Q4
14 quarters
|
|
|
4116
PUT
Brookfield Asset Management
BAM
$73.4B
| $475K | ﹤0.01% |
10,600
+5,600
| +112% | +$264K |
2026 Q1
1 quarter
|
|
4117
PUT
Burlington
BURL
$16.3B
| $475K | ﹤0.01% |
+1,500
| New | +$484K |
2026 Q2
0 quarters
|
|
4118
Connect Biopharma Holdings
CNTB
$55.1M
| $475K | ﹤0.01% |
199,381
+151,916
| +320% | +$368K |
2026 Q1
1 quarter
|
|
4119
Revolve Group
RVLV
$1.65B
| $473K | ﹤0.01% |
20,675
-1,401
| -6% | -$31K |
2026 Q1
1 quarter
|
|
4120
CALL
APA Corp
APA
$17.5B
| $472K | ﹤0.01% |
14,500
+4,700
| +48% | +$176K |
2025 Q4
2 quarters
|
|
4121
CALL
Paychex
PAYX
$40.1B
| $472K | ﹤0.01% |
4,800
+800
| +20% | +$75.7K |
2026 Q1
1 quarter
|
|
4122
CALL
Duolingo
DUOL
$6.53B
| $472K | ﹤0.01% |
4,100
-16,500
| -80% | -$1.81M |
2025 Q4
2 quarters
|
|
4123
CALL
Adobe
ADBE
$100B
| $472K | ﹤0.01% |
2,300
-3,500
| -60% | -$829K |
2026 Q1
1 quarter
|
|
4124
PUT
Hubbell
HUBB
$24.3B
| $471K | ﹤0.01% |
900
-1,100
| -55% | -$556K |
2026 Q1
1 quarter
|
|
4125
CALL
Norwegian Cruise Line
NCLH
$7.19B
| $471K | ﹤0.01% |
+22,300
| New | +$416K |
2026 Q2
0 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.