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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
KYNB icon
4451
Kyntra Bio
KYNB
$21.4M
$298K ﹤0.01%
39,511
-10,000
-20% -$70.1K
2018 Q4
30 quarters
KARD
4452
Kardigan Inc
KARD
$1.21B
$298K ﹤0.01%
+12,500
New +$289K
2026 Q2
0 quarters
VRTX icon
4453
PUT
Vertex Pharmaceuticals
VRTX
$127B
$298K ﹤0.01%
600
-400
-40% -$177K
2026 Q1
1 quarter
WAB icon
4454
CALL
Wabtec
WAB
$48.4B
$297K ﹤0.01%
+1,100
New +$291K
2026 Q2
0 quarters
WEX icon
4455
PUT
WEX
WEX
$6.25B
$296K ﹤0.01%
+2,100
New +$311K
2026 Q2
0 quarters
CC icon
4456
PUT
Chemours
CC
$1.9B
$295K ﹤0.01%
14,400
-2,600
-15% -$59.5K
2026 Q1
1 quarter
PNC icon
4457
PUT
PNC Financial Services
PNC
$86.3B
$295K ﹤0.01%
+1,200
New +$269K
2026 Q2
0 quarters
BHP icon
4458
BHP
BHP
$212B
$295K ﹤0.01%
+3,544
New +$294K
2026 Q2
0 quarters
NEON icon
4459
Neonode
NEON
$13M
$295K ﹤0.01%
313,110
-52,901
-14% -$78.5K
2025 Q3
3 quarters
IFF icon
4460
PUT
International Flavors & Fragrances
IFF
$23.2B
$293K ﹤0.01%
+3,700
New +$275K
2026 Q2
0 quarters
UPB icon
4461
Upstream Bio Inc
UPB
$153M
$293K ﹤0.01%
+42,325
New +$355K
2026 Q2
0 quarters
SJM icon
4462
CALL
J.M. Smucker
SJM
$13.6B
$292K ﹤0.01%
+2,600
New +$265K
2026 Q2
0 quarters
SJM icon
4463
PUT
J.M. Smucker
SJM
$13.6B
$292K ﹤0.01%
+2,600
New +$265K
2026 Q2
0 quarters
STHO icon
4464
Star Holdings Shares of Beneficial Interest
STHO
$90M
$291K ﹤0.01%
31,900
+3,556
+13% +$30.7K
2025 Q3
3 quarters
KMX icon
4465
CALL
CarMax
KMX
$7.33B
$291K ﹤0.01%
+5,500
New +$239K
2026 Q2
0 quarters
MAGN icon
4466
Magnera Corp
MAGN
$390M
$291K ﹤0.01%
24,741
+1,260
+5% +$13.8K
2026 Q1
1 quarter
AMGN icon
4467
PUT
Amgen
AMGN
$230B
$290K ﹤0.01%
800
-6,800
-89% -$2.33M
2025 Q3
3 quarters
DTE icon
4468
CALL
DTE Energy
DTE
$26.4B
$290K ﹤0.01%
+1,900
New +$278K
2026 Q2
0 quarters
AMOM icon
4469
Qraft AI-Enhanced US Large Cap Momentum ETF
AMOM
$21.1M
$289K ﹤0.01%
+4,500
New +$257K
2026 Q2
0 quarters
MNST icon
4470
PUT
Monster Beverage
MNST
$91.7B
$288K ﹤0.01%
+6,000
New +$252K
2026 Q2
0 quarters
GLRY icon
4471
Inspire Growth ETF
GLRY
$157M
$288K ﹤0.01%
+6,600
New +$271K
2026 Q2
0 quarters
YUM icon
4472
CALL
Yum! Brands
YUM
$40.9B
$288K ﹤0.01%
1,800
-4,200
-70% -$650K
2026 Q1
1 quarter
BYD icon
4473
Boyd Gaming
BYD
$5.16B
$287K ﹤0.01%
+3,248
New +$276K
2026 Q2
0 quarters
CXDO icon
4474
Crexendo
CXDO
$185M
$287K ﹤0.01%
38,361
+18,403
+92% +$144K
2024 Q1
9 quarters
LMND icon
4475
PUT
Lemonade
LMND
$3.34B
$286K ﹤0.01%
4,400
+400
+10% +$23.4K
2025 Q4
2 quarters

Similar funds

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.