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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
PEP icon
5251
PUT
PepsiCo
PEP
$179B
– –
-21,200
Closed -$3.29M –
PFSI icon
5252
PennyMac Financial
PFSI
$3.13B
– –
-47,824
Closed -$4.16M –
PHM icon
5253
CALL
Pultegroup
PHM
$21.6B
– –
-2,000
Closed -$235K –
PKST
5254
DELISTED
Peakstone Realty Trust
PKST
– –
-71,543
Closed -$1.49M –
PLAY icon
5255
CALL
Dave & Buster's
PLAY
$265M
– –
-16,000
Closed -$173K –
PLAY icon
5256
PUT
Dave & Buster's
PLAY
$265M
– –
-12,300
Closed -$133K –
PMT icon
5257
PennyMac Mortgage Investment
PMT
$603M
– –
-179,550
Closed -$2.09M –
POOL icon
5258
Pool Corp
POOL
$6.27B
– –
-11,700
Closed -$2.33M –
PPA icon
5259
Invesco Aerospace & Defense ETF
PPA
$7.61B
– –
-2,200
Closed -$365K –
PPTY icon
5260
US Diversified Real Estate ETF
PPTY
$23.8M
– –
-7,500
Closed -$226K –
PRA icon
5261
DELISTED
ProAssurance
PRA
– –
-196,698
Closed -$4.86M –
PRM icon
5262
Perimeter Solutions
PRM
$4.34B
– –
-18,900
Closed -$462K –
PSR icon
5263
Invesco Active US Real Estate Fund
PSR
$56.2M
– –
-2,900
Closed -$269K –
BCIC icon
5264
BCP Investment Corp
BCIC
$82.5M
– –
-25,344
Closed -$191K –
PUI icon
5265
Invesco Dorsey Wright Utilities Momentum ETF
PUI
$50.2M
– –
-8,483
Closed -$399K –
PVH icon
5266
CALL
PVH
PVH
$3.91B
– –
-4,000
Closed -$279K –
PVH icon
5267
PUT
PVH
PVH
$3.91B
– –
-3,100
Closed -$216K –
QBTS icon
5268
D-Wave Quantum Inc
QBTS
$4.47B
– –
-265,113
Closed -$5.81M –
QFIN icon
5269
Qfin Holdings
QFIN
$689M
– –
-120,300
Closed -$1.55M –
IRLA
5270
IRulya Therapeutics Inc. Common Stock
IRLA
$32.6M
– –
-356
Closed -$7.22K –
QQMG icon
5271
Invesco ESG NASDAQ 100 ETF
QQMG
$208M
– –
-30,900
Closed -$1.22M –
QQXT icon
5272
First Trust NASDAQ 100 ex-Technology Sector Index Fund
QQXT
$143M
– –
-10,300
Closed -$1.01M –
QSI icon
5273
Quantum-Si Incorporated
QSI
$245M
– –
-52,924
Closed -$41K –
QTRX icon
5274
Quanterix
QTRX
$136M
– –
-35,185
Closed -$124K –
QUBT icon
5275
CALL
Quantum Computing Inc
QUBT
$1.44B
– –
-121,800
Closed -$834K –
209 210
211
212 213

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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.