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John Overdeck

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
Cap. Flow
-$5.38B
Cap. Flow %
-3.9%
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
INTU icon
Intuit
INTU
+$753M
2
BSX icon
Boston Scientific
BSX
+$540M
3
DOW icon
Dow Inc
DOW
+$485M
4
WFC icon
Wells Fargo
WFC
+$457M
5
GS icon
Goldman Sachs
GS
+$378M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.32B
2
NVDA icon
NVIDIA
NVDA
+$1.02B
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$787M
4
SNDK icon
Sandisk
SNDK
+$744M
5
DELL icon
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
BRO icon
4501
PUT
Brown & Brown
BRO
$23.2B
$276K ﹤0.01%
+4,300
New +$262K
2026 Q2
0 quarters
AJG icon
4502
CALL
Arthur J. Gallagher & Co
AJG
$64.9B
$275K ﹤0.01%
1,200
+200
+20% +$42.5K
2026 Q1
1 quarter
PPC icon
4503
CALL
Pilgrim's Pride
PPC
$6.79B
$275K ﹤0.01%
+9,800
New +$301K
2026 Q2
0 quarters
SKE icon
4504
Skeena Resources
SKE
$3.94B
$274K ﹤0.01%
+10,286
New +$309K
2026 Q2
0 quarters
INMD icon
4505
InMode
INMD
$810M
$274K ﹤0.01%
+18,720
New +$261K
2026 Q2
0 quarters
D icon
4506
CALL
Dominion Energy
D
$54.7B
$273K ﹤0.01%
4,000
-39,900
-91% -$2.59M
2025 Q3
3 quarters
BBW icon
4507
Build-A-Bear
BBW
$297M
$273K ﹤0.01%
8,923
+523
+6% +$18.8K
2026 Q1
1 quarter
CNK icon
4508
CALL
Cinemark Holdings
CNK
$4.52B
$273K ﹤0.01%
+8,600
New +$255K
2026 Q2
0 quarters
NICE icon
4509
CALL
Nice
NICE
$6.67B
$273K ﹤0.01%
+3,000
New +$291K
2026 Q2
0 quarters
RGTI icon
4510
PUT
Rigetti Computing
RGTI
$3.9B
$272K ﹤0.01%
14,100
-260,800
-95% -$5.04M
2026 Q1
1 quarter
CDLR icon
4511
Cadeler
CDLR
$2.12B
$272K ﹤0.01%
+12,430
New +$316K
2026 Q2
0 quarters
HGV icon
4512
Hilton Grand Vacations
HGV
$2.74B
$272K ﹤0.01%
5,200
-22,998
-82% -$1.11M
2026 Q1
1 quarter
ALDX icon
4513
Aldeyra Therapeutics
ALDX
$40.1M
$272K ﹤0.01%
127,849
-95,688
-43% -$164K
2020 Q1
25 quarters
NOK icon
4514
PUT
Nokia
NOK
$50.8B
$272K ﹤0.01%
+20,500
New +$264K
2026 Q2
0 quarters
SBLK icon
4515
PUT
Star Bulk Carriers
SBLK
$3.26B
$272K ﹤0.01%
+10,900
New +$282K
2026 Q2
0 quarters
DKS icon
4516
CALL
Dick's Sporting Goods
DKS
$14.2B
$272K ﹤0.01%
1,200
-15,600
-93% -$3.45M
2025 Q4
2 quarters
CAG icon
4517
CALL
Conagra Brands
CAG
$6.7B
$272K ﹤0.01%
20,200
-18,300
-48% -$256K
2026 Q1
1 quarter
TRON icon
4518
Tron Inc
TRON
$522M
$272K ﹤0.01%
168,713
-5,900
-3% -$11.9K
2025 Q3
3 quarters
DVOL icon
4519
First Trust Dorsey Wright Momentum & Low Volatility ETF
DVOL
$74.6M
$270K ﹤0.01%
7,388
-5,221
-41% -$189K
2026 Q1
1 quarter
NDLS icon
4520
Noodles & Co
NDLS
$82.6M
$269K ﹤0.01%
+17,984
New +$212K
2026 Q2
0 quarters
SGHC icon
4521
SGHC Ltd
SGHC
$5.56B
$269K ﹤0.01%
19,833
-1,967
-9% -$24.9K
2026 Q1
1 quarter
TBBB icon
4522
BBB Foods
TBBB
$7.04B
$269K ﹤0.01%
+6,444
New +$246K
2026 Q2
0 quarters
WEX icon
4523
CALL
WEX
WEX
$6.25B
$268K ﹤0.01%
+1,900
New +$281K
2026 Q2
0 quarters
WEX icon
4524
WEX
WEX
$6.25B
$268K ﹤0.01%
1,900
-400
-17% -$59.3K
2026 Q1
1 quarter
LDOS icon
4525
CALL
Leidos
LDOS
$15.8B
$268K ﹤0.01%
+2,600
New +$345K
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.