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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
QTEC icon
1151
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.44B
$15.6M 0.01%
46,714
+3,600
+8% +$1.03M
2026 Q1
1 quarter
RGR icon
1152
Sturm, Ruger & Co
RGR
$733M
$15.6M 0.01%
411,946
-85,877
-17% -$3.45M
2024 Q1
9 quarters
TDUP icon
1153
ThredUp
TDUP
$282M
$15.6M 0.01%
2,273,563
+50,056
+2% +$234K
2022 Q2
16 quarters
MDA icon
1154
MDA Space Ltd
MDA
$4.56B
$15.6M 0.01%
+376,763
New +$13.7M
2026 Q2
0 quarters
WK icon
1155
Workiva
WK
$4.18B
$15.5M 0.01%
320,421
+81,980
+34% +$4.22M
2023 Q1
13 quarters
BHF icon
1156
Brighthouse Financial
BHF
$2.74B
$15.5M 0.01%
245,044
+228,712
+1,400% +$14.2M
2019 Q1
29 quarters
CTMX icon
1157
CytomX Therapeutics
CTMX
$510M
$15.5M 0.01%
4,132,643
+1,422,487
+52% +$5.43M
2017 Q3
35 quarters
VRTS icon
1158
Virtus Investment Partners
VRTS
$780M
$15.5M 0.01%
107,942
+21,389
+25% +$3.02M
2023 Q3
11 quarters
NMIH icon
1159
NMI Holdings
NMIH
$3.08B
$15.4M 0.01%
375,727
-258,154
-41% -$9.9M
2024 Q1
9 quarters
LOCO icon
1160
El Pollo Loco
LOCO
$485M
$15.4M 0.01%
906,685
+264,577
+41% +$3.79M
2022 Q1
17 quarters
PWB icon
1161
Invesco Large Cap Growth ETF
PWB
$2.61B
$15.3M 0.01%
91,100
+21,900
+32% +$3.32M
2025 Q2
4 quarters
EVAC icon
1162
EQV Ventures Acquisition Corp II
EVAC
$603M
$15.3M 0.01%
1,507,259
– –
2025 Q3
3 quarters
UMH icon
1163
UMH Properties
UMH
$1.29B
$15.3M 0.01%
1,010,182
+196,966
+24% +$3.01M
2025 Q4
2 quarters
FIBK icon
1164
First Interstate BancSystem
FIBK
$3.31B
$15.3M 0.01%
396,596
+280,882
+243% +$9.9M
2024 Q1
9 quarters
AAT icon
1165
American Assets Trust
AAT
$1.27B
$15.3M 0.01%
618,313
+75,581
+14% +$1.66M
2025 Q4
2 quarters
WPM icon
1166
Wheaton Precious Metals
WPM
$59.9B
$15.2M 0.01%
135,526
-214,466
-61% -$27.9M
2020 Q3
23 quarters
PANW icon
1167
CALL
Palo Alto Networks
PANW
$284B
$15.2M 0.01%
44,500
+25,900
+139% +$5.93M
2025 Q3
3 quarters
WOOF icon
1168
Petco
WOOF
$670M
$15.2M 0.01%
5,577,176
-392,398
-7% -$1.09M
2022 Q1
17 quarters
JBSS icon
1169
John B. Sanfilippo & Son
JBSS
$769M
$15.2M 0.01%
176,288
-64,860
-27% -$5.13M
2023 Q1
13 quarters
FRST icon
1170
Primis Financial Corp
FRST
$382M
$15.1M 0.01%
923,711
+505,335
+121% +$7.37M
2021 Q1
21 quarters
AMZN icon
1171
PUT
Amazon
AMZN
$2.83T
$15.1M 0.01%
63,400
-2,000
-3% -$502K
2025 Q3
3 quarters
HSBC icon
1172
HSBC
HSBC
$318B
$15.1M 0.01%
158,284
+9,985
+7% +$911K
2026 Q1
1 quarter
CXW icon
1173
CoreCivic
CXW
$2.96B
$15M 0.01%
494,641
-243,231
-33% -$5.51M
2024 Q3
7 quarters
GRND icon
1174
Grindr
GRND
$2.45B
$15M 0.01%
1,041,281
+959,375
+1,171% +$12.4M
2023 Q2
12 quarters
VAC icon
1175
Marriott Vacations Worldwide
VAC
$3.79B
$14.9M 0.01%
+146,741
New +$11.8M
2026 Q2
0 quarters

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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.