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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
FOLD icon
5101
DELISTED
Amicus Therapeutics
FOLD
– –
-781,741
Closed -$11.3M –
FONR icon
5102
DELISTED
Fonar
FONR
– –
-80,710
Closed -$1.5M –
FPX icon
5103
First Trust US Equity Opportunities ETF
FPX
$1.38B
– –
-13,270
Closed -$2.11M –
FREL icon
5104
Fidelity MSCI Real Estate Index ETF
FREL
$1.41B
– –
-575,000
Closed -$15.5M –
FRI icon
5105
First Trust S&P REIT Index Fund
FRI
$184M
– –
-46,600
Closed -$1.33M –
FSI icon
5106
Flexible Solutions
FSI
$77.3M
– –
-11,100
Closed -$59.9K –
FSTA icon
5107
Fidelity MSCI Consumer Staples Index ETF
FSTA
$1.46B
– –
-24,400
Closed -$1.28M –
FTEC icon
5108
Fidelity MSCI Information Technology Index ETF
FTEC
$20.9B
– –
-54,788
Closed -$11.4M –
FTHM icon
5109
Fathom Holdings
FTHM
$6.41M
– –
-19,100
Closed -$10.1K –
FTI icon
5110
PUT
TechnipFMC
FTI
$27.3B
– –
-4,100
Closed -$283K –
FUL icon
5111
H.B. Fuller
FUL
$2.76B
– –
-29,932
Closed -$1.85M –
FUTY icon
5112
Fidelity MSCI Utilities Index ETF
FUTY
$2.25B
– –
-27,900
Closed -$1.65M –
FVAL icon
5113
Fidelity Value Factor ETF
FVAL
$1.37B
– –
-22,800
Closed -$1.58M –
FXU icon
5114
First Trust Utilities AlphaDEX Fund
FXU
$757M
– –
-349,700
Closed -$17.3M –
FYC icon
5115
First Trust Small Cap Growth AlphaDEX Fund
FYC
$1.71B
– –
-67,700
Closed -$6.57M –
GBTG icon
5116
DELISTED
American Express Global Business Travel
GBTG
– –
-52,500
Closed -$293K –
GDEN icon
5117
DELISTED
Golden Entertainment
GDEN
– –
-130,627
Closed -$3.49M –
GDS icon
5118
GDS Holdings
GDS
$4.62B
– –
-9,200
Closed -$371K –
GGAL icon
5119
PUT
Galicia Financial Group
GGAL
$5.79B
– –
-18,000
Closed -$841K –
GGME icon
5120
Invesco Next Gen Media and Gaming ETF
GGME
$43.7M
– –
-13,000
Closed -$663K –
GILD icon
5121
CALL
Gilead Sciences
GILD
$194B
– –
-3,800
Closed -$530K –
GILD icon
5122
PUT
Gilead Sciences
GILD
$194B
– –
-6,000
Closed -$836K –
GLD icon
5123
CALL
SPDR Gold Trust
GLD
$141B
– –
-13,000
Closed -$5.59M –
GLD icon
5124
PUT
SPDR Gold Trust
GLD
$141B
– –
-13,000
Closed -$5.59M –
GLDD icon
5125
DELISTED
Great Lakes Dredge & Dock
GLDD
– –
-1,989,521
Closed -$33.8M –
203 204
205
206 207

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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.