Millennium Management’s iShares Biotechnology ETF IBB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q1 | – | Sell |
-294,000
| Closed | -$38.9M | – | 6104 |
|
|
2024
Q4 | $38.9M | Buy |
+294,000
| New | +$41.3M | 0.02% | 954 |
|
|
2024
Q3 | – | Sell |
-8,600
| Closed | -$1.18M | – | 6258 |
|
|
2024
Q2 | $1.18M | Sell |
8,600
-31,700
| -79% | -$4.23M | ﹤0.01% | 3992 |
|
|
2024
Q1 | $5.53M | Sell |
40,300
-54,500
| -57% | -$7.44M | ﹤0.01% | 2762 |
|
|
2023
Q4 | $12.9M | Sell |
94,800
-313,000
| -77% | -$38.2M | 0.01% | 1948 |
|
|
2023
Q3 | $49.9M | Buy |
407,800
+309,400
| +314% | +$39.3M | 0.03% | 710 |
|
|
2023
Q2 | $12.5M | Sell |
98,400
-61,300
| -38% | -$7.96M | 0.01% | 1791 |
|
|
2023
Q1 | $20.6M | Sell |
159,700
-128,000
| -44% | -$16.8M | 0.01% | 1313 |
|
|
2022
Q4 | $37.8M | Sell |
287,700
-24,500
| -8% | -$3.17M | 0.02% | 942 |
|
|
2022
Q3 | $36.5M | Sell |
312,200
-70,800
| -18% | -$8.79M | 0.02% | 874 |
|
|
2022
Q2 | $45.1M | Sell |
383,000
-235,500
| -38% | -$28M | 0.03% | 719 |
|
|
2022
Q1 | $80.6M | Sell |
618,500
-45,700
| -7% | -$5.95M | 0.04% | 437 |
|
|
2021
Q4 | $101M | Buy |
664,200
+23,100
| +4% | +$3.58M | 0.05% | 355 |
|
|
2021
Q3 | $104M | Buy |
641,100
+115,900
| +22% | +$19.5M | 0.06% | 300 |
|
|
2021
Q2 | $85.9M | Buy |
525,200
+232,000
| +79% | +$35.7M | 0.05% | 372 |
|
|
2021
Q1 | $44.1M | Sell |
293,200
-1,336,200
| -82% | -$212M | 0.03% | 550 |
|
|
2020
Q4 | $247M | Buy |
1,629,400
+348,000
| +27% | +$49.7M | 0.18% | 74 |
|
|
2020
Q3 | $174K | Buy |
1,281,400
+240,900
| +23% | +$32.7M | 0.21% | 60 |
|
|
2020
Q2 | $142M | Sell |
1,040,500
-131,100
| -11% | -$16.7M | 0.19% | 62 |
|
|
2020
Q1 | $126M | Sell |
1,171,600
-504,400
| -30% | -$58.1M | 0.28% | 45 |
|
|
2019
Q4 | $202M | Buy |
1,676,000
+58,000
| +4% | +$6.47M | 0.25% | 43 |
|
|
2019
Q3 | $161M | Buy |
1,618,000
+496,800
| +44% | +$52M | 0.25% | 49 |
|
|
2019
Q2 | $122M | Buy |
1,121,200
+470,100
| +72% | +$50M | 0.18% | 93 |
|
|
2019
Q1 | $72.8M | Buy |
651,100
+109,900
| +20% | +$12.1M | 0.11% | 228 |
|
|
2018
Q4 | $52.2M | Sell |
541,200
-66,400
| -11% | -$7.05M | 0.08% | 325 |
|
|
2018
Q3 | $74.1M | Buy |
607,600
+203,300
| +50% | +$23.9M | 0.09% | 270 |
|
|
2018
Q2 | $44.4M | Buy |
404,300
+384,300
| +1,922% | +$41.1M | 0.06% | 459 |
|
|
2018
Q1 | $2.13M | Buy |
+20,000
| New | +$2.22M | ﹤0.01% | 2269 |
|
|
2016
Q4 | – | Sell |
-120,000
| Closed | -$11.6M | – | 3494 |
|
|
2016
Q3 | $11.6M | Buy |
+120,000
| New | +$11.4M | 0.02% | 855 |
|
|
2015
Q2 | – | Sell |
-30,000
| Closed | -$3.43M | – | 3554 |
|
|
2015
Q1 | $3.43M | Buy |
+30,000
| New | +$3.31M | 0.01% | 1629 |
|
Other funds holding IBB
CB
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.