Brown Brothers Harriman & Co’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
Q2
$777K Sell
4,088
-1,540
-27% -$265K ﹤0.01% 578
2026
Q1
$950K Hold
5,628
0.01% 438
2025
Q4
$950K Hold
5,628
0.01% 380
2025
Q3
$813K Sell
5,628
-9
-0.2% -$1.23K ﹤0.01% 388
2025
Q2
$713K Sell
5,637
-24
-0.4% -$2.95K ﹤0.01% 386
2025
Q1
$724K Sell
5,661
-5,567
-50% -$755K 0.01% 341
2024
Q4
$1.48M Hold
11,228
0.01% 247
2024
Q3
$1.63M Buy
11,228
+11,200
+40,000% +$1.62M 0.01% 237
2024
Q2
$3.84K Hold
28
﹤0.01% 1041
2024
Q1
$3.84K Buy
+28
New +$3.82K ﹤0.01% 1056
2023
Q4
Sell
-95
Closed -$11.6K 1208
2023
Q3
$11.6K Buy
+95
New +$12.1K ﹤0.01% 917
2023
Q2
Sell
-142
Closed -$18.3K 1261
2023
Q1
$18.3K Hold
142
﹤0.01% 910
2022
Q4
$18.6K Sell
142
-3
-2% -$388 ﹤0.01% 906
2022
Q3
$17K Hold
145
﹤0.01% 1020
2022
Q2
$17K Sell
145
-117
-45% -$13.9K ﹤0.01% 912
2022
Q1
$34K Hold
262
﹤0.01% 846
2021
Q4
$40 Hold
262
﹤0.01% 736
2021
Q3
$42 Sell
262
-98
-27% -$16.5K ﹤0.01% 708
2021
Q2
$59 Hold
360
﹤0.01% 643
2021
Q1
$54 Hold
360
﹤0.01% 629
2020
Q4
$55K Sell
360
-195
-35% -$27.9K ﹤0.01% 652
2020
Q3
$75K Sell
555
-15
-3% -$2.04K ﹤0.01% 524
2020
Q2
$78K Sell
570
-180
-24% -$22.9K ﹤0.01% 522
2020
Q1
$81K Sell
750
-109
-13% -$12.5K ﹤0.01% 475
2019
Q4
$104K Hold
859
﹤0.01% 560
2019
Q3
$85K Buy
859
+535
+165% +$56K ﹤0.01% 563
2019
Q2
$35K Buy
+324
New +$34.5K ﹤0.01% 647
2018
Q1
Sell
-447
Closed -$48K 951
2017
Q4
$48K Sell
447
-450
-50% -$48.1K ﹤0.01% 516
2017
Q3
$100K Sell
897
-228
-20% -$24.4K ﹤0.01% 405
2017
Q2
$116K Buy
1,125
+375
+50% +$36.9K ﹤0.01% 393
2017
Q1
$73K Hold
750
﹤0.01% 449
2016
Q4
$66K Hold
750
﹤0.01% 450
2016
Q3
$72K Hold
750
﹤0.01% 408
2016
Q2
$64K Hold
750
﹤0.01% 425
2016
Q1
$65K Sell
750
-186
-20% -$16.6K ﹤0.01% 414
2015
Q4
$106K Buy
936
+186
+25% +$20.2K ﹤0.01% 385
2015
Q3
$76K Buy
750
+450
+150% +$54K ﹤0.01% 443
2015
Q2
$37K Buy
+300
New +$35.9K ﹤0.01% 529
2015
Q1
Sell
-450
Closed -$46K 796
2014
Q4
$46K Hold
450
﹤0.01% 523
2014
Q3
$41K Sell
450
-600
-57% -$52.7K ﹤0.01% 550
2014
Q2
$90K Hold
1,050
﹤0.01% 444
2014
Q1
$83K Hold
1,050
﹤0.01% 436
2013
Q4
$79K Hold
1,050
﹤0.01% 409
2013
Q3
$73K Hold
1,050
﹤0.01% 427
2013
Q2
$61K Buy
+1,050
New +$60.7K ﹤0.01% 510

Other funds holding IBB

Brown Brothers Harriman & Co's IBB Position: Q2 2026 in Review

Brown Brothers Harriman & Co reduced its iShares Biotechnology ETF (IBB) stake by 27% in Q2 2026, selling an estimated $265K and leaving 4,088 shares worth $777K. The position accounts for ﹤0.01% of the portfolio, ranked #578.

Brown Brothers Harriman & Co first reported a position in IBB in Q2 2013 and has held it in 45 quarters since. The position peaked at $1.63M in Q3 2024. 954 funds tracked by Wall St. Rank hold IBB as of Q2 2026.

  • Brown Brothers Harriman & Co held 4,088 shares of iShares Biotechnology ETF worth $777K as of Q2 2026.
  • Brown Brothers Harriman & Co sold 1,540 iShares Biotechnology ETF shares in Q2 2026, an estimated $265K.
  • iShares Biotechnology ETF made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #578 holding.
  • Brown Brothers Harriman & Co first reported a position in iShares Biotechnology ETF in Q2 2013 and has held it in 45 quarters since.
  • Brown Brothers Harriman & Co's iShares Biotechnology ETF position peaked at $1.63M in Q3 2024.
  • 954 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.