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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
MTN icon
5226
CALL
Vail Resorts
MTN
$5.38B
– –
-3,000
Closed -$385K –
MTRN icon
5227
Materion
MTRN
$5.11B
– –
-6,000
Closed -$868K –
MTUM icon
5228
iShares MSCI USA Momentum Factor ETF
MTUM
$18.5B
– –
-125,199
Closed -$30M –
MVIS icon
5229
Microvision
MVIS
$34.6M
– –
-1,163
Closed -$11.2K –
NFE icon
5230
New Fortress Energy
NFE
$23.7M
– –
-705
Closed -$20.8K –
NGNE icon
5231
Neurogene
NGNE
$465M
– –
-13,891
Closed -$280K –
NOTV icon
5232
DELISTED
Inotiv
NOTV
– –
-24,304
Closed -$6.62K –
NREF icon
5233
NexPoint Real Estate Finance
NREF
$291M
– –
-11,991
Closed -$162K –
NRSN icon
5234
NeuroSense Therapeutics
NRSN
$5.82M
– –
-2,222
Closed -$33.6K –
NTRS icon
5235
Northern Trust
NTRS
$30.3B
– –
-67,792
Closed -$9.46M –
NUTX icon
5236
Nutex Health
NUTX
$1.27B
– –
-10,569
Closed -$1M –
NVRI icon
5237
Enviri
NVRI
$548M
– –
-27,900
Closed -$547K –
ORBS icon
5238
Eightco Holdings
ORBS
$318M
– –
-59,900
Closed -$55.8K –
OFS icon
5239
OFS Capital
OFS
$52.7M
– –
-44,006
Closed -$156K –
OHI icon
5240
PUT
Omega Healthcare
OHI
$13.8B
– –
-7,000
Closed -$307K –
OGS icon
5241
ONE Gas
OGS
$4.75B
– –
-79,166
Closed -$6.82M –
ON icon
5242
CALL
ON Semiconductor
ON
$28B
– –
-51,000
Closed -$3.16M –
ONTF icon
5243
DELISTED
ON24
ONTF
– –
-98,015
Closed -$794K –
OSCV icon
5244
Opus Small Cap Value ETF
OSCV
$628M
– –
-34,800
Closed -$1.37M –
OSIS icon
5245
PUT
OSI Systems
OSIS
$3.11B
– –
-2,700
Closed -$717K –
OTIS icon
5246
CALL
Otis Worldwide
OTIS
$27.2B
– –
-6,000
Closed -$462K –
OUSM icon
5247
ALPS O'Shares US Small-Cap Quality Dividend ETF
OUSM
$804M
– –
-85,200
Closed -$3.73M –
PABU icon
5248
iShares Paris-Aligned Climate Optimized MSCI USA ETF
PABU
$2.45B
– –
-33,700
Closed -$2.23M –
PANW icon
5249
Palo Alto Networks
PANW
$280B
– –
-20,222
Closed -$4.63M –
PEP icon
5250
CALL
PepsiCo
PEP
$179B
– –
-19,500
Closed -$3.03M –
208 209
210
211 212

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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.