BlackRock
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BlackRock’s iShares Biotechnology ETF IBB Stock Holding History

BlackRock’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
2026
Q1 		$907K Buy
5,374
+1,157
+27% +$198K ﹤0.01% 4370
2025
Q4 		$712K Buy
4,217
+678
+19% +$110K ﹤0.01% 4399
2025
Q3 		$511K Buy
3,539
+1,233
+53% +$168K ﹤0.01% 4451
2025
Q2 		$292K Sell
2,306
-148
-6% -$18.2K ﹤0.01% 4581
2025
Q1 		$314K Sell
2,454
-395,433
-99% -$53.6M ﹤0.01% 4517
2024
Q4 		$52.6M Buy
397,887
+1,987
+0.5% +$279K ﹤0.01% 2423
2024
Q3 		$57.6M Buy
+395,900
New +$57.3M ﹤0.01% 2387
2023
Q3 		– Sell
-59,814
Closed -$7.59M – 5492
2023
Q2 		$7.59M Hold
59,814
– – ﹤0.01% 3544
2023
Q1 		$7.73M Hold
59,814
– – ﹤0.01% 3453
2022
Q4 		$7.85M Hold
59,814
– – ﹤0.01% 3504
2022
Q3 		$7M Hold
59,814
– – ﹤0.01% 3611
2022
Q2 		$7.04M Hold
59,814
– – ﹤0.01% 3668
2022
Q1 		$7.79M Sell
59,814
-727
-1% -$94.7K ﹤0.01% 3718
2021
Q4 		$9.24M Hold
60,541
– – ﹤0.01% 3720
2021
Q3 		$9.79M Hold
60,541
– – ﹤0.01% 3682
2021
Q2 		$9.91M Sell
60,541
-997
-2% -$154K ﹤0.01% 3647
2021
Q1 		$9.27M Sell
61,538
-30,768
-33% -$4.89M ﹤0.01% 3618
2020
Q4 		$14M Sell
92,306
-297
-0.3% -$42.4K ﹤0.01% 3197
2020
Q3 		$12.5M Sell
92,603
-1,915
-2% -$260K ﹤0.01% 3106
2020
Q2 		$12.9M Buy
+94,518
New +$12M ﹤0.01% 3040
2020
Q1 		– Sell
-66
Closed -$8K – 5008
2019
Q4 		$8K Buy
+66
New +$7.36K ﹤0.01% 4755
2019
Q2 		– Sell
-117
Closed -$13K – 5042
2019
Q1 		$13K Buy
+117
New +$12.8K ﹤0.01% 4646
2017
Q3 		– Sell
-300
Closed -$31K – 4993
2017
Q2 		$31K Buy
+300
New +$29.5K ﹤0.01% 4596
2016
Q4 		– Sell
-132
Closed -$13K – 3772
2016
Q3 		$13K Hold
132
– – ﹤0.01% 3359
2016
Q2 		$11K Hold
132
– – ﹤0.01% 3394
2016
Q1 		$11K Sell
132
-18
-12% -$1.61K ﹤0.01% 3110
2015
Q4 		$17K Buy
+150
New +$16.3K ﹤0.01% 2652

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

BlackRock's IBB Position: Q1 2026 in Review

BlackRock increased its iShares Biotechnology ETF (IBB) stake by 27% in Q1 2026, buying an estimated $198K and bringing the position to 5,374 shares worth $907K. The position accounts for ﹤0.01% of the portfolio, ranked #4370.

BlackRock first reported a position in IBB in Q4 2015 and has held it in 27 quarters since. The position peaked at $57.6M in Q3 2024. 917 funds tracked by Wall St. Rank hold IBB as of Q1 2026.

  • BlackRock held 5,374 shares of iShares Biotechnology ETF worth $907K as of Q1 2026.
  • BlackRock bought 1,157 iShares Biotechnology ETF shares in Q1 2026, an estimated $198K.
  • iShares Biotechnology ETF made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #4370 holding.
  • BlackRock first reported a position in iShares Biotechnology ETF in Q4 2015 and has held it in 27 quarters since.
  • BlackRock's iShares Biotechnology ETF position peaked at $57.6M in Q3 2024.
  • 917 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.