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 | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $2.93M | Sell |
17,349
-81,799
| -83% | -$14M | ﹤0.01% | 3492 |
|
|
2025
Q4 | $16.7M | Buy |
99,148
+32,540
| +49% | +$5.29M | 0.01% | 1739 |
|
|
2025
Q3 | $9.62M | Sell |
66,608
-41,792
| -39% | -$5.7M | ﹤0.01% | 2428 |
|
|
2025
Q2 | $13.7M | Buy |
108,400
+66,724
| +160% | +$8.19M | 0.01% | 1941 |
|
|
2025
Q1 | $5.33M | Sell |
41,676
-150,107
| -78% | -$20.4M | ﹤0.01% | 2799 |
|
|
2024
Q4 | $25.4M | Buy |
191,783
+93,552
| +95% | +$13.2M | 0.01% | 1330 |
|
|
2024
Q3 | $14.3M | Buy |
98,231
+32,928
| +50% | +$4.76M | 0.01% | 1863 |
|
|
2024
Q2 | $8.96M | Sell |
65,303
-288,930
| -82% | -$38.6M | ﹤0.01% | 2185 |
|
|
2024
Q1 | $48.6M | Buy |
354,233
+189,775
| +115% | +$25.9M | 0.02% | 843 |
|
|
2023
Q4 | $22.3M | Sell |
164,458
-109,947
| -40% | -$13.4M | 0.01% | 1460 |
|
|
2023
Q3 | $33.6M | Sell |
274,405
-106,575
| -28% | -$13.6M | 0.02% | 999 |
|
|
2023
Q2 | $48.4M | Buy |
380,980
+368,681
| +2,998% | +$47.9M | 0.02% | 760 |
|
|
2023
Q1 | $1.59M | Sell |
12,299
-284,636
| -96% | -$37.3M | ﹤0.01% | 3653 |
|
|
2022
Q4 | $39M | Buy |
296,935
+93,171
| +46% | +$12M | 0.02% | 916 |
|
|
2022
Q3 | $23.8M | Buy |
203,764
+15,120
| +8% | +$1.88M | 0.01% | 1183 |
|
|
2022
Q2 | $22.2M | Buy |
188,644
+54,629
| +41% | +$6.48M | 0.01% | 1207 |
|
|
2022
Q1 | $17.5M | Buy |
134,015
+111,334
| +491% | +$14.5M | 0.01% | 1536 |
|
|
2021
Q4 | $3.46M | Sell |
22,681
-111,424
| -83% | -$17.3M | ﹤0.01% | 3249 |
|
|
2021
Q3 | $21.7M | Sell |
134,105
-391,394
| -74% | -$65.9M | 0.01% | 1247 |
|
|
2021
Q2 | $86M | Buy |
525,499
+271,368
| +107% | +$41.8M | 0.05% | 371 |
|
|
2021
Q1 | $38.3M | Buy |
254,131
+225,261
| +780% | +$35.8M | 0.03% | 645 |
|
|
2020
Q4 | $4.37M | Buy |
+28,870
| New | +$4.13M | ﹤0.01% | 2570 |
|
|
2020
Q3 | – | Sell |
-22,304
| Closed | -$3.03M | – | 4616 |
|
|
2020
Q2 | $3.05M | Sell |
22,304
-233,225
| -91% | -$29.7M | ﹤0.01% | 2203 |
|
|
2020
Q1 | $27.5M | Sell |
255,529
-28,574
| -10% | -$3.29M | 0.06% | 325 |
|
|
2019
Q4 | $34.2M | Sell |
284,103
-106,963
| -27% | -$11.9M | 0.04% | 540 |
|
|
2019
Q3 | $38.9M | Buy |
391,066
+84,841
| +28% | +$8.88M | 0.06% | 407 |
|
|
2019
Q2 | $33.4M | Buy |
306,225
+290,537
| +1,852% | +$30.9M | 0.05% | 508 |
|
|
2019
Q1 | $1.75M | Sell |
15,688
-470,972
| -97% | -$51.7M | ﹤0.01% | 2500 |
|
|
2018
Q4 | $46.9M | Buy |
486,660
+425,453
| +695% | +$45.2M | 0.07% | 363 |
|
|
2018
Q3 | $7.46M | Sell |
61,207
-51,055
| -45% | -$6.01M | 0.01% | 1516 |
|
|
2018
Q2 | $12.3M | Buy |
112,262
+104,219
| +1,296% | +$11.1M | 0.02% | 1178 |
|
|
2018
Q1 | $859K | Sell |
8,043
-2,516
| -24% | -$279K | ﹤0.01% | 2772 |
|
|
2017
Q4 | $1.13M | Buy |
+10,559
| New | +$1.13M | ﹤0.01% | 2631 |
|
|
2017
Q3 | – | Sell |
-78,843
| Closed | -$8.15M | – | 3664 |
|
|
2017
Q2 | $8.15M | Buy |
+78,843
| New | +$7.77M | 0.01% | 1181 |
|
|
2017
Q1 | – | Sell |
-8,625
| Closed | -$763K | – | 3643 |
|
|
2016
Q4 | $763K | Sell |
8,625
-39,102
| -82% | -$3.56M | ﹤0.01% | 2406 |
|
|
2016
Q3 | $4.61M | Buy |
+47,727
| New | +$4.54M | 0.01% | 1385 |
|
|
2016
Q2 | – | Sell |
-101,529
| Closed | -$8.83M | – | 3339 |
|
|
2016
Q1 | $8.83M | Sell |
101,529
-433,947
| -81% | -$38.8M | 0.02% | 909 |
|
|
2015
Q4 | $60.4M | Sell |
535,476
-279,009
| -34% | -$30.3M | 0.13% | 178 |
|
|
2015
Q3 | $82.4M | Buy |
814,485
+370,863
| +84% | +$44.5M | 0.16% | 126 |
|
|
2015
Q2 | $54.6M | Buy |
+443,622
| New | +$53.1M | 0.1% | 239 |
|
|
2015
Q1 | – | Sell |
-187,974
| Closed | -$20.7M | – | 3811 |
|
|
2014
Q4 | $19M | Sell |
187,974
-234,966
| -56% | -$22.8M | 0.04% | 629 |
|
|
2014
Q3 | $38.6M | Buy |
422,940
+226,497
| +115% | +$19.9M | 0.1% | 234 |
|
|
2014
Q2 | $16.8M | Buy |
196,443
+183,741
| +1,447% | +$14.5M | 0.05% | 556 |
|
|
2014
Q1 | $1M | Buy |
12,702
+3,813
| +43% | +$318K | ﹤0.01% | 2224 |
|
|
2013
Q4 | $673K | Buy |
+8,889
| New | +$631K | ﹤0.01% | 2531 |
|
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.