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JO

John Overdeck Two Sigma Investments

AUM $138B
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
-$4.38B
Cap. Flow %
-3.17%
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572

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
Sandisk
SNDK
+$744M
5
DELL icon
Dell
DELL
+$688M

Sector Composition

Rank Sector Weight
1 Technology 19.71%
2 Financials 15.22%
3 Healthcare 11.94%
4 Industrials 11.55%
5 Consumer Discretionary 9.6%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ASND icon
4976
PUT
Ascendis Pharma A/S
ASND
$16.6B
– –
-3,700
Closed -$846K
ASRT
4977
DELISTED
Assertio
ASRT
– –
-33,577
Closed -$640K
ASTS icon
4978
AST SpaceMobile
ASTS
$20.6B
– –
-23,133
Closed -$1.92M
ATHM icon
4979
Autohome
ATHM
$2.56B
– –
-20,700
Closed -$360K
FRMM
4980
Forum Markets
FRMM
$72.3M
– –
-16,316
Closed -$47.2K
AUSF icon
4981
Global X Adaptive US Factor ETF
AUSF
$917M
– –
-41,900
Closed -$2.03M
AX icon
4982
Axos Financial
AX
$5.48B
– –
-31,577
Closed -$2.69M
AZO icon
4983
CALL
AutoZone
AZO
$48.3B
– –
-2,000
Closed -$6.76M
AZO icon
4984
PUT
AutoZone
AZO
$48.3B
– –
-100
Closed -$338K
BBRE icon
4985
JPMorgan BetaBuilders MSCI US REIT ETF
BBRE
$1.27B
– –
-45,400
Closed -$4.34M
BCH icon
4986
Banco de Chile
BCH
$21.3B
– –
-75,255
Closed -$2.79M
BEN icon
4987
CALL
Franklin Templeton, Inc.
BEN
$17.4B
– –
-17,300
Closed -$409K
BIRK icon
4988
CALL
Birkenstock
BIRK
$5.89B
– –
-10,100
Closed -$362K
BNY
4989
CALL
Bank of New York Mellon
BNY
$108B
– –
-6,500
Closed -$771K
BKKT icon
4990
Bakkt Inc
BKKT
$387M
– –
-58,158
Closed -$428K
BL icon
4991
BlackLine
BL
$1.85B
– –
-85,625
Closed -$3.17M
BLDR icon
4992
PUT
Builders FirstSource
BLDR
$7.55B
– –
-3,100
Closed -$255K
BLFY
4993
DELISTED
Blue Foundry Bancorp
BLFY
– –
-68,219
Closed -$903K
BMI icon
4994
Badger Meter
BMI
$3.82B
– –
-30,993
Closed -$4.72M
BMY icon
4995
PUT
Bristol-Myers Squibb
BMY
$137B
– –
-18,400
Closed -$1.12M
BTM
4996
DELISTED
Bitcoin Depot
BTM
– –
-24,219
Closed -$52.8K
BUZZ icon
4997
VanEck Social Sentiment ETF
BUZZ
$102M
– –
-64,200
Closed -$1.85M
BWXT icon
4998
CALL
BWX Technologies
BWXT
$14.4B
– –
-1,000
Closed -$204K
BWXT icon
4999
PUT
BWX Technologies
BWXT
$14.4B
– –
-3,000
Closed -$613K
CALM icon
5000
Cal-Maine
CALM
$3.87B
– –
-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 $4.38B 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 Healthcare.

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.