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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
SON icon
5326
Sonoco
SON
$4.92B
– –
-60,092
Closed -$3.25M –
SOPA icon
5327
DELISTED
Society Pass
SOPA
– –
-12,026
Closed -$5.2K –
SOXX icon
5328
iShares Semiconductor ETF
SOXX
$40.8B
– –
-34,116
Closed -$11.2M –
SPHD icon
5329
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.3B
– –
-130,500
Closed -$6.47M –
SPMO icon
5330
Invesco S&P 500 Momentum ETF
SPMO
$21.6B
– –
-2,300
Closed -$258K –
SPSC icon
5331
SPS Commerce
SPSC
$3.07B
– –
-54,676
Closed -$3.04M –
SPUS icon
5332
SP Funds S&P 500 Sharia ETF
SPUS
$3.26B
– –
-74,700
Closed -$3.6M –
SPWR icon
5333
SunPower Inc
SPWR
$78.8M
– –
-100,689
Closed -$128K –
SPYX icon
5334
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.82B
– –
-5,900
Closed -$313K –
SR icon
5335
Spire
SR
$4.85B
– –
-4,870
Closed -$441K –
STRL icon
5336
CALL
Sterling Infrastructure
STRL
$13B
– –
-2,000
Closed -$815K –
STRL icon
5337
PUT
Sterling Infrastructure
STRL
$13B
– –
-5,400
Closed -$2.2M –
STT icon
5338
PUT
State Street
STT
$45.5B
– –
-1,600
Closed -$202K –
STZ icon
5339
PUT
Constellation Brands
STZ
$22.2B
– –
-2,100
Closed -$315K –
SWK icon
5340
CALL
Stanley Black & Decker
SWK
$14B
– –
-3,000
Closed -$213K –
SWX icon
5341
Southwest Gas
SWX
$6.34B
– –
-2,600
Closed -$226K –
TAC icon
5342
TransAlta
TAC
$4.06B
– –
-302,340
Closed -$3.96M –
TATT icon
5343
TAT Technologies
TATT
$427M
– –
-27,027
Closed -$1.1M –
TCRT icon
5344
Alaunos Therapeutics
TCRT
$6.68M
– –
-10,839
Closed -$31K –
TECB icon
5345
iShares US Tech Breakthrough Multisector ETF
TECB
$500M
– –
-11,200
Closed -$621K –
TEAM icon
5346
CALL
Atlassian
TEAM
$52.6B
– –
-13,900
Closed -$949K –
TEAM icon
5347
PUT
Atlassian
TEAM
$52.6B
– –
-13,000
Closed -$887K –
TERN icon
5348
DELISTED
Terns Pharmaceuticals
TERN
– –
-54,366
Closed -$2.87M –
TGRW icon
5349
T. Rowe Price Growth Stock ETF
TGRW
$1.14B
– –
-14,633
Closed -$593K –
THM icon
5350
International Tower Hill Mines
THM
$568M
– –
-15,404
Closed -$35.4K –
212 213
214
215 216

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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.