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Millennium Management

Millennium Management Portfolio holdings

AUM $276B Turnover 27.44%
1-Year Est. Return 44.8%
 

Millennium Management is a multistrategy hedge fund firm, started in 1989 by Israel Englander along with Ronald Shear, an acquaintance from the American Stock Exchange who left after six months. Englander remains its principal. It works as a platform: many separate investment teams, each with a portfolio manager given money to trade in a variety of strategies. Its teams research and pick individual companies, run computer-driven strategies, and trade fixed income, commodities and credit. In 2018 it launched a joint venture with WorldQuant, a computer-driven investment firm. Its clients include state and local government bodies and sovereign wealth funds.

This Fund
S&P 500
This Quarter Est. Return
+19.61%
1 Year Est. Return
+44.8%
3 Year Est. Return
+127.22%
5 Year Est. Return
+155.52%
10 Year Est. Return
+768.06%
AUM
$276B
AUM Growth
+$36B
Cap. Flow
-$4.1B
Cap. Flow %
-1.48%
Top 10 Hldgs %
18.44%
Holding
6,628
New
986
Increased
2,006
Reduced
2,341
Closed
833
Avg Time Held Equity + Options
2.9 years
Top 10 Avg Time Held Equity + Options
2.5 years
Top 20 Avg Time Held Equity + Options
3 years
Avg Time Held Equity only
3.1 years
Top 10 Avg Time Held Equity only
1.1 years
Top 20 Avg Time Held Equity only
1 year

Sector Composition

Rank Sector Weight
1 Miscellaneous 55.34%
2 Technology 9.51%
3 Industrials 7.53%
4 Financials 5.78%
5 Healthcare 5.7%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
IBRX icon
5951
PUT
ImmunityBio
IBRX
$8.79B
– –
-23,800
Closed -$183K –
ICLR icon
5952
PUT
Icon
ICLR
$15.8B
– –
-2,000
Closed -$221K –
IDCC icon
5953
PUT
InterDigital
IDCC
$8.02B
– –
-900
Closed -$272K –
IDR icon
5954
Idaho Strategic Resources
IDR
$310M
– –
-13,033
Closed -$419K –
IDYA icon
5955
PUT
IDEAYA Biosciences
IDYA
$3.08B
– –
-126,800
Closed -$4.22M –
IDXX icon
5956
PUT
Idexx Laboratories
IDXX
$43.4B
– –
-3,100
Closed -$1.74M –
IEI icon
5957
iShares 3-7 Year Treasury Bond ETF
IEI
$17.1B
– –
-118,871
Closed -$14.1M –
III icon
5958
Information Services Group
III
$295M
– –
-39,077
Closed -$150K –
IIPR icon
5959
Innovative Industrial Properties
IIPR
$1.43B
– –
-40,041
Closed -$2.01M –
IMAX icon
5960
IMAX
IMAX
$2.78B
– –
-205,336
Closed -$7.8M –
IMMP
5961
Immutep
IMMP
$22.5M
– –
-1,040
Closed -$7.3K –
IMNM icon
5962
Immunome
IMNM
$2.15B
– –
-130,367
Closed -$2.85M –
IMOS icon
5963
ChipMOS TECHNOLOGIES
IMOS
$1.89B
– –
-10,729
Closed -$384K –
INFU icon
5964
InfuSystem Holdings
INFU
$280M
– –
-354,559
Closed -$3.27M –
INSP icon
5965
PUT
Inspire Medical Systems
INSP
$1.97B
– –
-15,000
Closed -$774K –
INVE icon
5966
INVE Technologies, Inc. Common Stock
INVE
$65.7M
– –
-15,035
Closed -$55.6K –
IOBT icon
5967
DELISTED
IO Biotech
IOBT
– –
-194,158
Closed -$11.4K –
IOSP icon
5968
Innospec
IOSP
$2.46B
– –
-61,427
Closed -$4.49M –
IOT icon
5969
CALL
Samsara
IOT
$24.6B
– –
-102,700
Closed -$3.25M –
IPHA icon
5970
Innate Pharma
IPHA
$163M
– –
-10,064
Closed -$12.9K –
IPGP icon
5971
IPG Photonics
IPGP
$3.09B
– –
-22,667
Closed -$2.6M –
IPI icon
5972
Intrepid Potash
IPI
$425M
– –
-35,979
Closed -$1.54M –
IQ icon
5973
iQIYI
IQ
$797M
– –
-957,987
Closed -$1.29M –
IR icon
5974
PUT
Ingersoll Rand
IR
$30.7B
– –
-6,000
Closed -$481K –
IRMD icon
5975
iRadimed
IRMD
$981M
– –
-40,509
Closed -$3.9M –

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Millennium Management's Q2 2026 Portfolio in Review

As of Q2 2026, Millennium Management held 6,628 positions worth $276B, up 15% from $240B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

Millennium Management's Q2 2026 filing shows 986 new, 2,006 increased, 2,341 reduced and 833 closed positions. Its largest new stake was SpaceX: 17,604,863 shares worth $2.98B. The largest sale was State Street SPDR Portfolio S&P 500 ETF, an estimated $1.65B.

By sector, the portfolio is most concentrated in Miscellaneous at 55% of assets, up from 54% a quarter earlier, followed by Technology and Industrials.

  • Millennium Management's largest Q2 2026 buy was SpaceX: 17,604,863 shares worth $2.98B.
  • Millennium Management added most to State Street SPDR S&P 500 ETF Trust in Q2 2026, an estimated $3.07B increase.
  • Millennium Management's biggest Q2 2026 reduction was Marvell Technology, cutting an estimated $1.16B.
  • Millennium Management fully exited State Street SPDR Portfolio S&P 500 ETF in Q2 2026, selling an estimated $1.65B.
  • Millennium Management's ten largest holdings make up 18% of its $276B portfolio in Q2 2026.
  • Millennium Management opened 986 new positions and closed 833 in Q2 2026.
  • Millennium Management's portfolio value rose 15% quarter-over-quarter to $276B.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.