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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
UTES icon
5376
Virtus Reaves Utilities ETF
UTES
$1.21B
– –
-110,700
Closed -$8.84M –
UTHR icon
5377
CALL
United Therapeutics
UTHR
$22.9B
– –
-3,900
Closed -$2.31M –
UTHR icon
5378
PUT
United Therapeutics
UTHR
$22.9B
– –
-8,900
Closed -$5.28M –
UUUU icon
5379
PUT
Energy Fuels
UUUU
$2.24B
– –
-121,900
Closed -$2.22M –
UVXY icon
5380
ProShares Ultra VIX Short-Term Futures ETF
UVXY
$282M
– –
-79,385
Closed -$4.15M –
VC icon
5381
Visteon
VC
$2.33B
– –
-5,433
Closed -$495K –
VCYT icon
5382
Veracyte
VCYT
$3.47B
– –
-18,700
Closed -$602K –
VEGN icon
5383
US Vegan Climate ETF
VEGN
$177M
– –
-5,100
Closed -$288K –
VEL icon
5384
Velocity Financial
VEL
$581M
– –
-17,144
Closed -$310K –
VGT icon
5385
Vanguard Information Technology ETF
VGT
$146B
– –
-2,880
Closed -$251K –
VICI icon
5386
VICI Properties
VICI
$26B
– –
-137,664
Closed -$3.86M –
VONG icon
5387
Vanguard Russell 1000 Growth ETF
VONG
$45.7B
– –
-153,900
Closed -$16.9M –
VRDN icon
5388
Viridian Therapeutics
VRDN
$2.16B
– –
-35,114
Closed -$687K –
VRE
5389
DELISTED
Veris Residential
VRE
– –
-943,876
Closed -$17.8M –
VRSN icon
5390
CALL
VeriSign
VRSN
$27.3B
– –
-2,300
Closed -$571K –
VTS icon
5391
Vitesse Energy
VTS
$768M
– –
-33,732
Closed -$613K –
VV icon
5392
Vanguard Morningstar Large-Cap ETF
VV
$54.2B
– –
-117,760
Closed -$35.2M –
VXX icon
5393
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$133M
– –
-196,688
Closed -$7.02M –
WCBR icon
5394
WisdomTree Cybersecurity Fund
WCBR
$184M
– –
-48,400
Closed -$1.21M –
WCC icon
5395
CALL
WESCO International
WCC
$16.6B
– –
-2,100
Closed -$575K –
WCLD icon
5396
WisdomTree Cloud Computing Fund
WCLD
$289M
– –
-213,686
Closed -$5.84M –
WEC icon
5397
PUT
WEC Energy
WEC
$35.4B
– –
-2,100
Closed -$243K –
WEN icon
5398
CALL
Wendy's
WEN
$1.28B
– –
-54,500
Closed -$379K –
WEN icon
5399
PUT
Wendy's
WEN
$1.28B
– –
-37,000
Closed -$257K –
WINN icon
5400
Harbor Long-Term Growers ETF
WINN
$1.22B
– –
-112,500
Closed -$3.12M –
214 215
216
217 218

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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.