Millennium Management
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Millennium Management’s iShares Biotechnology ETF IBB Stock Holding History

Millennium Management’s Portfolio IBB Stock Details IBB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-50,000
Closed -$7.22M – 6223
2025
Q3 		$7.22M Buy
+50,000
New +$6.82M ﹤0.01% 2732
2024
Q3 		– Sell
-21,000
Closed -$2.88M – 6257
2024
Q2 		$2.88M Sell
21,000
-59,100
-74% -$7.89M ﹤0.01% 3207
2024
Q1 		$11M Sell
80,100
-7,200
-8% -$983K ﹤0.01% 2096
2023
Q4 		$11.9M Buy
87,300
+46,600
+114% +$5.69M 0.01% 2025
2023
Q3 		$4.98M Buy
40,700
+25,100
+161% +$3.19M ﹤0.01% 2688
2023
Q2 		$1.98M Hold
15,600
– – ﹤0.01% 3495
2023
Q1 		$2.02M Sell
15,600
-55,000
-78% -$7.2M ﹤0.01% 3434
2022
Q4 		$9.27M Sell
70,600
-14,300
-17% -$1.85M 0.01% 2215
2022
Q3 		$9.93M Sell
84,900
-100,000
-54% -$12.4M 0.01% 2144
2022
Q2 		$21.8M Sell
184,900
-100,900
-35% -$12M 0.01% 1225
2022
Q1 		$37.2M Hold
285,800
– – 0.02% 879
2021
Q4 		$43.6M Buy
285,800
+107,700
+60% +$16.7M 0.02% 809
2021
Q3 		$28.8M Buy
178,100
+128,400
+258% +$21.6M 0.02% 1010
2021
Q2 		$8.13M Buy
49,700
+30,300
+156% +$4.67M 0.01% 2160
2021
Q1 		$2.92M Sell
19,400
-243,600
-93% -$38.7M ﹤0.01% 3169
2020
Q4 		$39.8M Sell
263,000
-54,100
-17% -$7.73M 0.03% 584
2020
Q3 		$42.9K Sell
317,100
-23,000
-7% -$3.12M 0.05% 389
2020
Q2 		$46.5M Sell
340,100
-103,900
-23% -$13.2M 0.06% 310
2020
Q1 		$47.8M Buy
444,000
+184,000
+71% +$21.2M 0.11% 167
2019
Q4 		$31.3M Sell
260,000
-496,400
-66% -$55.4M 0.04% 579
2019
Q3 		$75.3M Sell
756,400
-186,700
-20% -$19.5M 0.12% 184
2019
Q2 		$103M Buy
943,100
+550,700
+140% +$58.6M 0.15% 124
2019
Q1 		$43.9M Buy
392,400
+166,100
+73% +$18.2M 0.07% 384
2018
Q4 		$21.8M Buy
226,300
+85,700
+61% +$9.1M 0.03% 677
2018
Q3 		$17.1M Sell
140,600
-18,600
-12% -$2.19M 0.02% 928
2018
Q2 		$17.5M Buy
+159,200
New +$17M 0.02% 937

Other funds holding IBB

Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
CB
Commerce Bank Kansas City, Missouri $20.7B AUM 23.76% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Millennium Management's IBB Position: Q1 2026 in Review

Millennium Management reduced its iShares Biotechnology ETF (IBB) stake by 83% in Q1 2026, selling an estimated $14M and leaving 17,349 shares worth $2.93M. The position accounts for ﹤0.01% of the portfolio, ranked #3492.

Millennium Management first reported a position in IBB in Q4 2013 and has held it in 45 quarters since. The position peaked at $86M in Q2 2021. 917 funds tracked by Wall St. Rank hold IBB as of Q1 2026.

  • Millennium Management held 17,349 shares of iShares Biotechnology ETF worth $2.93M as of Q1 2026.
  • Millennium Management sold 81,799 iShares Biotechnology ETF shares in Q1 2026, an estimated $14M.
  • iShares Biotechnology ETF made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #3492 holding.
  • Millennium Management first reported a position in iShares Biotechnology ETF in Q4 2013 and has held it in 45 quarters since.
  • Millennium Management's iShares Biotechnology ETF position peaked at $86M in Q2 2021.
  • 917 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.