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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
ASND icon
4976
PUT
Ascendis Pharma A/S
ASND
$14.8B
– –
-3,700
Closed -$846K –
ASRT icon
4977
DELISTED
Assertio
ASRT
– –
-33,577
Closed -$640K –
ASTS icon
4978
AST SpaceMobile
ASTS
$12.2B
– –
-23,133
Closed -$1.92M –
ATHM icon
4979
Autohome
ATHM
$2.32B
– –
-20,700
Closed -$360K –
FRMM icon
4980
Forum Markets
FRMM
$47.3M
– –
-16,316
Closed -$47.2K –
AUSF icon
4981
Global X Adaptive US Factor ETF
AUSF
$894M
– –
-41,900
Closed -$2.03M –
AX icon
4982
Axos Financial
AX
$5B
– –
-31,577
Closed -$2.69M –
AZO icon
4983
CALL
AutoZone
AZO
$50.5B
– –
-2,000
Closed -$6.76M –
AZO icon
4984
PUT
AutoZone
AZO
$50.5B
– –
-100
Closed -$338K –
BBRE icon
4985
JPMorgan BetaBuilders MSCI US REIT ETF
BBRE
$1.24B
– –
-45,400
Closed -$4.34M –
BCH icon
4986
Banco de Chile
BCH
$19.7B
– –
-75,255
Closed -$2.79M –
BEN icon
4987
CALL
Franklin Templeton
BEN
$15.7B
– –
-17,300
Closed -$409K –
BIRK icon
4988
CALL
Birkenstock
BIRK
$5.59B
– –
-10,100
Closed -$362K –
BNY icon
4989
CALL
Bank of New York Mellon
BNY
$97.2B
– –
-6,500
Closed -$771K –
BKKT icon
4990
Bakkt Inc
BKKT
$252M
– –
-58,158
Closed -$428K –
BL icon
4991
BlackLine
BL
$1.73B
– –
-85,625
Closed -$3.17M –
BLDR icon
4992
PUT
Builders FirstSource
BLDR
$5.88B
– –
-3,100
Closed -$255K –
BLFY icon
4993
DELISTED
Blue Foundry Bancorp
BLFY
– –
-68,219
Closed -$903K –
BMI icon
4994
Badger Meter
BMI
$3.67B
– –
-30,993
Closed -$4.72M –
BMY icon
4995
PUT
Bristol-Myers Squibb
BMY
$122B
– –
-18,400
Closed -$1.12M –
BTM icon
4996
DELISTED
Bitcoin Depot
BTM
– –
-24,219
Closed -$52.8K –
BUZZ icon
4997
VanEck Social Sentiment ETF
BUZZ
$92.7M
– –
-64,200
Closed -$1.85M –
BWXT icon
4998
CALL
BWX Technologies
BWXT
$12.6B
– –
-1,000
Closed -$204K –
BWXT icon
4999
PUT
BWX Technologies
BWXT
$12.6B
– –
-3,000
Closed -$613K –
CALM icon
5000
Cal-Maine
CALM
$2.97B
– –
-24,700
Closed -$1.91M –
198 199
200
201 202

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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.