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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
LVHD icon
5201
Franklin US Low Volatility High Dividend Index ETF
LVHD
$618M
– –
-43,600
Closed -$1.86M –
LW icon
5202
PUT
Lamb Weston
LW
$7.38B
– –
-11,400
Closed -$482K –
LXEO icon
5203
Lexeo Therapeutics
LXEO
$217M
– –
-181,676
Closed -$1.04M –
LYFT icon
5204
CALL
Lyft
LYFT
$6.37B
– –
-15,500
Closed -$206K –
LYFT icon
5205
PUT
Lyft
LYFT
$6.37B
– –
-23,100
Closed -$307K –
M icon
5206
CALL
Macy's
M
$6.27B
– –
-10,600
Closed -$192K –
MAA icon
5207
Mid-America Apartment Communities
MAA
$13.5B
– –
-7,700
Closed -$940K –
MASS icon
5208
908 Devices
MASS
$465M
– –
-44,127
Closed -$270K –
MBC icon
5209
MasterBrand
MBC
$1.38B
– –
-22,000
Closed -$183K –
MBIO icon
5210
Mustang Bio
MBIO
$2.85M
– –
-16,754
Closed -$12.2K –
MCD icon
5211
CALL
McDonald's
MCD
$172B
– –
-1,400
Closed -$435K –
MCD icon
5212
McDonald's
MCD
$172B
– –
-76,861
Closed -$23.9M –
MCD icon
5213
PUT
McDonald's
MCD
$172B
– –
-1,000
Closed -$311K –
MCRB icon
5214
Seres Therapeutics
MCRB
$24.7M
– –
-18,794
Closed -$167K –
MCW icon
5215
DELISTED
Mister Car Wash
MCW
– –
-30,400
Closed -$212K –
MDT icon
5216
CALL
Medtronic
MDT
$121B
– –
-21,300
Closed -$1.85M –
MDT icon
5217
PUT
Medtronic
MDT
$121B
– –
-15,000
Closed -$1.3M –
MDXH icon
5218
MDxHealth
MDXH
$19.7M
– –
-21,184
Closed -$48.7K –
METV icon
5219
Roundhill Metaverse ETF
METV
$229M
– –
-57,500
Closed -$916K –
MGC icon
5220
Vanguard Morningstar Mega Cap ETF
MGC
$10.2B
– –
-200,200
Closed -$47.3M –
MGM icon
5221
PUT
MGM Resorts International
MGM
$7.2B
– –
-6,000
Closed -$222K –
MIND icon
5222
MIND Technology
MIND
$39.2M
– –
-11,534
Closed -$96.3K –
MNDY icon
5223
CALL
monday.com
MNDY
$3.82B
– –
-10,600
Closed -$733K –
MODL icon
5224
VictoryShares WestEnd US Sector ETF
MODL
$1.07B
– –
-39,200
Closed -$1.75M –
MRCC icon
5225
DELISTED
Monroe Capital Corp
MRCC
– –
-17,892
Closed -$82.3K –
207 208
209
210 211

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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.