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JO

John Overdeck Two Sigma Investments

AUM $138B
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
-$4.38B
Cap. Flow %
-3.17%
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572

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
Sandisk
SNDK
+$744M
5
DELL icon
Dell
DELL
+$688M

Sector Composition

Rank Sector Weight
1 Technology 19.71%
2 Financials 15.22%
3 Healthcare 11.94%
4 Industrials 11.55%
5 Consumer Discretionary 9.6%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AMC icon
4401
AMC Entertainment Holdings
AMC
$2.28B
$320K ﹤0.01%
168,647
+41,333
+32% +$71.1K
INCE
4402
Franklin Income Equity Focus ETF
INCE
$281M
$320K ﹤0.01%
+4,800
New +$320K
RJF icon
4403
PUT
Raymond James Financial
RJF
$33.7B
$319K ﹤0.01%
+2,100
New +$319K
HRZN icon
4404
Horizon Technology Finance
HRZN
$323M
$319K ﹤0.01%
67,489
-82,690
-55% -$358K
KGC icon
4405
CALL
Kinross Gold
KGC
$38.9B
$317K ﹤0.01%
13,400
+5,400
+68% +$159K
PPG icon
4406
CALL
PPG Industries
PPG
$25.3B
$315K ﹤0.01%
+2,600
New +$290K
XLG icon
4407
Invesco S&P 500 Top 50 ETF
XLG
$10.8B
$315K ﹤0.01%
5,150
-208,300
-98% -$12.7M
UAA icon
4408
PUT
Under Armour
UAA
$2.32B
$315K ﹤0.01%
49,300
+23,000
+87% +$136K
DYN icon
4409
Dyne Therapeutics
DYN
$4.87B
$315K ﹤0.01%
+14,178
New +$264K
HUBB icon
4410
CALL
Hubbell
HUBB
$24.8B
$314K ﹤0.01%
600
– –
PAAS icon
4411
PUT
Pan American Silver
PAAS
$22B
$314K ﹤0.01%
+7,000
New +$375K
VICI icon
4412
CALL
VICI Properties
VICI
$29.2B
$313K ﹤0.01%
+11,800
New +$331K
ZH
4413
Zhihu
ZH
$275M
$311K ﹤0.01%
99,458
+85,090
+592% +$273K
VINP icon
4414
Vinci Compass Investments Ltd
VINP
$625M
$311K ﹤0.01%
31,971
-71,067
-69% -$738K
WCC
4415
PUT
WESCO International
WCC
$17B
$311K ﹤0.01%
900
-2,100
-70% -$713K
ELAN icon
4416
Elanco Animal Health
ELAN
$12B
$311K ﹤0.01%
+12,622
New +$292K
NOG icon
4417
CALL
Northern Oil and Gas
NOG
$2.91B
$310K ﹤0.01%
+17,100
New +$405K
GENB
4418
Generate Biomedicines
GENB
$2.07B
$310K ﹤0.01%
+18,374
New +$250K
JCE icon
4419
Nuveen Core Equity Alpha Fund
JCE
$290M
$310K ﹤0.01%
18,921
– –
ALGN icon
4420
Align Technology
ALGN
$11.5B
$309K ﹤0.01%
1,835
-41,875
-96% -$7.27M
GSSC icon
4421
GS ActiveBeta US Small Cap Equity ETF
GSSC
$1.1B
$309K ﹤0.01%
+3,386
New +$285K
TFC icon
4422
PUT
Truist Financial
TFC
$61.6B
$309K ﹤0.01%
+6,200
New +$305K
AZTA icon
4423
Azenta
AZTA
$1.64B
$309K ﹤0.01%
+12,100
New +$271K
PID icon
4424
Invesco International Dividend Achievers ETF
PID
$922M
$309K ﹤0.01%
13,900
+400
+3% +$9.11K
JPUS
4425
JPMorgan Diversified Return US Equity ETF
JPUS
$467M
$309K ﹤0.01%
+2,200
New +$301K
175 176
177
178 179

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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 $4.38B 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 Healthcare.

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.