BlackRock
QTTB icon

BlackRock’s Q32 Bio QTTB Stock Holding History

BlackRock’s Portfolio QTTB Stock Details QTTB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.51M Buy
118,507
+32,360
+38% +$270K ﹤0.01% 4236
2026
Q1 		$553K Buy
86,147
+26,215
+44% +$125K ﹤0.01% 4503
2025
Q4 		$199K Sell
59,932
-33,073
-36% -$93.5K ﹤0.01% 4724
2025
Q3 		$184K Sell
93,005
-85,672
-48% -$165K ﹤0.01% 4692
2025
Q2 		$266K Sell
178,677
-278,694
-61% -$475K ﹤0.01% 4601
2025
Q1 		$755K Sell
457,371
-10,071
-2% -$27.1K ﹤0.01% 4273
2024
Q4 		$1.61M Buy
467,442
+58,783
+14% +$1.86M ﹤0.01% 4092
2024
Q3 		$18.2M Buy
408,659
+66,390
+19% +$2.44M ﹤0.01% 3100
2024
Q2 		$6.14M Buy
342,269
+297,696
+668% +$7.12M ﹤0.01% 3614
2024
Q1 		$760K Sell
44,573
-15,989
-26% -$220K ﹤0.01% 4278
2023
Q4 		$663K Sell
60,562
-898
-1% -$13.1K ﹤0.01% 4359
2023
Q3 		$1.29M Sell
61,460
-44
-0.1% -$897 ﹤0.01% 4157
2023
Q2 		$980K Sell
61,504
-5,359
-8% -$96.2K ﹤0.01% 4299
2023
Q1 		$1.24M Sell
66,863
-5,780
-8% -$144K ﹤0.01% 4258
2022
Q4 		$1.65M Sell
72,643
-18,209
-20% -$483K ﹤0.01% 4214
2022
Q3 		$2.63M Sell
90,852
-1,186
-1% -$48.4K ﹤0.01% 4050
2022
Q2 		$3.26M Sell
92,038
-122,959
-57% -$4.2M ﹤0.01% 4010
2022
Q1 		$11.8M Buy
214,997
+15,676
+8% +$974K ﹤0.01% 3489
2021
Q4 		$13.1M Buy
199,321
+6,486
+3% +$630K ﹤0.01% 3513
2021
Q3 		$27.3M Buy
192,835
+6,272
+3% +$799K ﹤0.01% 3077
2021
Q2 		$24.4M Buy
186,563
+27,389
+17% +$3.42M ﹤0.01% 3179
2021
Q1 		$27M Buy
159,174
+5,666
+4% +$1.19M ﹤0.01% 3018
2020
Q4 		$31.2M Buy
153,508
+1,276
+0.8% +$247K ﹤0.01% 2764
2020
Q3 		$29.3M Sell
152,232
-3,872
-2% -$868K ﹤0.01% 2641
2020
Q2 		$42.7M Buy
156,104
+39,065
+33% +$10.4M ﹤0.01% 2349
2020
Q1 		$32.7M Sell
117,039
-2,509
-2% -$768K ﹤0.01% 2324
2019
Q4 		$44.5M Buy
119,548
+646
+0.5% +$185K ﹤0.01% 2439
2019
Q3 		$38.7M Buy
118,902
+3,116
+3% +$1.06M ﹤0.01% 2439
2019
Q2 		$40.8M Buy
115,786
+37,926
+49% +$14.9M ﹤0.01% 2444
2019
Q1 		$38.9M Sell
77,860
-3,276
-4% -$1.46M ﹤0.01% 2407
2018
Q4 		$32.7M Buy
81,136
+46,505
+134% +$17.6M ﹤0.01% 2463
2018
Q3 		$14.2M Buy
34,631
+5,132
+17% +$1.74M ﹤0.01% 3051
2018
Q2 		$10.8M Buy
+29,499
New +$10.6M ﹤0.01% 3198

Other funds holding QTTB

O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
BCM
Boxer Capital Management San Diego, California $1.33B AUM 864.5% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
LGM
Logos Global Management San Francisco, California $2.32B AUM 536.01% 1-Year Est. Return
SC
SummitTX Capital Fort Worth, Texas $3.89B AUM 55.94% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

BlackRock's QTTB Position: Q2 2026 in Review

BlackRock increased its Q32 Bio (QTTB) stake by 38% in Q2 2026, buying an estimated $270K and bringing the position to 118,507 shares worth $1.51M. The position accounts for ﹤0.01% of the portfolio, ranked #4236.

BlackRock first reported a position in QTTB in Q2 2018 and has held it in 33 quarters since. The position peaked at $44.5M in Q4 2019. 72 funds tracked by Wall St. Rank hold QTTB as of Q2 2026.

  • BlackRock held 118,507 shares of Q32 Bio worth $1.51M as of Q2 2026.
  • BlackRock bought 32,360 Q32 Bio shares in Q2 2026, an estimated $270K.
  • Q32 Bio made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #4236 holding.
  • BlackRock first reported a position in Q32 Bio in Q2 2018 and has held it in 33 quarters since.
  • BlackRock's Q32 Bio position peaked at $44.5M in Q4 2019.
  • 72 funds tracked by Wall St. Rank held Q32 Bio as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.