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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
CNRG icon
5026
State Street SPDR S&P Kensho Clean Power ETF
CNRG
$163M
– –
-27,837
Closed -$2.51M –
CNTA
5027
DELISTED
Centessa Pharmaceuticals
CNTA
– –
-59,844
Closed -$2.38M –
CODI icon
5028
Compass Diversified
CODI
$753M
– –
-40,620
Closed -$319K –
CPB icon
5029
PUT
Campbell Soup
CPB
$5.93B
– –
-11,100
Closed -$247K –
CPOP icon
5030
Pop Culture Group
CPOP
$5.96M
– –
-128
Closed -$5.79K –
CR icon
5031
CALL
Crane Co
CR
$11.9B
– –
-1,600
Closed -$274K –
CR icon
5032
PUT
Crane Co
CR
$11.9B
– –
-2,000
Closed -$342K –
CRD.A icon
5033
Crawford & Co Class A
CRD.A
$596M
– –
-11,984
Closed -$119K –
CRH icon
5034
CALL
CRH
CRH
$55.6B
– –
-5,000
Closed -$526K –
CRH icon
5035
PUT
CRH
CRH
$55.6B
– –
-6,100
Closed -$641K –
CRL icon
5036
Charles River Laboratories
CRL
$14.3B
– –
-20,623
Closed -$3.56M –
CSGS icon
5037
DELISTED
CSG Systems International
CSGS
– –
-278,300
Closed -$22.2M –
CSIQ icon
5038
CALL
Canadian Solar
CSIQ
$666M
– –
-27,600
Closed -$382K –
CSIQ icon
5039
PUT
Canadian Solar
CSIQ
$666M
– –
-49,100
Closed -$680K –
CSM icon
5040
ProShares Large Cap Core Plus
CSM
$516M
– –
-7,100
Closed -$531K –
CTLP icon
5041
DELISTED
Cantaloupe
CTLP
– –
-80,300
Closed -$868K –
CURI icon
5042
CuriosityStream
CURI
$155M
– –
-53,312
Closed -$158K –
CVGW icon
5043
DELISTED
Calavo Growers
CVGW
– –
-37,600
Closed -$970K –
CWK icon
5044
Cushman & Wakefield Ltd
CWK
$2.65B
– –
-68,700
Closed -$842K –
D icon
5045
PUT
Dominion Energy
D
$55.9B
– –
-27,000
Closed -$1.67M –
DARE icon
5046
Dare Bioscience
DARE
$14.3M
– –
-13,279
Closed -$24.2K –
DAVA icon
5047
Endava
DAVA
$109M
– –
-34,433
Closed -$152K –
DAWN icon
5048
DELISTED
Day One Biopharmaceuticals
DAWN
– –
-41,500
Closed -$890K –
DEMZ icon
5049
The Advisors' Inner Circle Fund III Democratic Large Cap Core ETF
DEMZ
$69M
– –
-5,600
Closed -$225K –
DFAR icon
5050
DFA Real Estate Securities Portfolio ETF Class Shares
DFAR
$1.67B
– –
-1,326,000
Closed -$31.4M –
200 201
202
203 204

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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.