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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
SAMG icon
5301
Silvercrest Asset Management
SAMG
$83.1M
– –
-31,073
Closed -$418K –
SAMT icon
5302
Strategas Macro Thematic Opportunities ETF
SAMT
$783M
– –
-122,100
Closed -$4.79M –
ECHO icon
5303
EchoStar
ECHO
$24.8B
– –
-2,517
Closed -$308K –
SEE icon
5304
DELISTED
Sealed Air
SEE
– –
-102,900
Closed -$4.33M –
SEMR icon
5305
DELISTED
Semrush
SEMR
– –
-159,652
Closed -$1.91M –
SFYF icon
5306
SoFi Social 50 ETF
SFYF
$42.4M
– –
-5,400
Closed -$275K –
SG icon
5307
CALL
Sweetgreen
SG
$1.2B
– –
-39,700
Closed -$206K –
SG icon
5308
PUT
Sweetgreen
SG
$1.2B
– –
-24,600
Closed -$128K –
SGMO icon
5309
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
– –
-6,270,441
Closed -$1.55M –
SHAK icon
5310
Shake Shack
SHAK
$2.83B
– –
-132,581
Closed -$10M –
SHLS icon
5311
Shoals Technologies Group
SHLS
$1.21B
– –
-330,888
Closed -$2.18M –
SIBN icon
5312
SI-BONE Inc
SIBN
$882M
– –
-58,147
Closed -$734K –
SIG icon
5313
CALL
Signet Jewelers
SIG
$4.54B
– –
-3,800
Closed -$322K –
SIG icon
5314
PUT
Signet Jewelers
SIG
$4.54B
– –
-4,200
Closed -$355K –
FIRY icon
5315
Firy Inc
FIRY
$191M
– –
-32,976
Closed -$85.4K –
SLNO icon
5316
DELISTED
Soleno Therapeutics
SLNO
– –
-48,092
Closed -$1.61M –
SLS icon
5317
SELLAS Life Sciences
SLS
$2.02B
– –
-403,165
Closed -$1.71M –
SMFG icon
5318
Sumitomo Mitsui Financial Group, Inc American Depositary Shares (each representing 1.2 shares of Common Stock)
SMFG
$155B
– –
-12,000
Closed -$237K –
SMH icon
5319
VanEck Semiconductor ETF
SMH
$65.8B
– –
-92,301
Closed -$50.4M –
SMR icon
5320
PUT
NuScale Power
SMR
$2.39B
– –
-14,000
Closed -$152K –
SNAP icon
5321
CALL
Snap
SNAP
$10.4B
– –
-16,000
Closed -$73.6K –
SNAP icon
5322
PUT
Snap
SNAP
$10.4B
– –
-18,000
Closed -$82.8K –
SNBR icon
5323
DELISTED
Sleep Number
SNBR
– –
-743,168
Closed -$1.33M –
SNCY icon
5324
DELISTED
Sun Country Airlines
SNCY
– –
-145,184
Closed -$2.4M –
SNPS icon
5325
CALL
Synopsys
SNPS
$87.1B
– –
-4,000
Closed -$1.59M –
211 212
213
214 215

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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.