Marshall Wace
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Marshall Wace’s Q32 Bio QTTB Stock Holding History

Marshall Wace’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
Q1 		$337K Buy
+52,440
New +$249K ﹤0.01% 2613
2025
Q3 		– Sell
-16,928
Closed -$25.2K – 3503
2025
Q2 		$25.2K Buy
+16,928
New +$28.9K ﹤0.01% 2627
2023
Q1 		– Sell
-1,154
Closed -$26.2K – 3182
2022
Q4 		$26.2K Sell
1,154
-522
-31% -$13.9K ﹤0.01% 2862
2022
Q3 		$48K Buy
1,676
+482
+40% +$19.7K ﹤0.01% 3242
2022
Q2 		$42K Buy
+1,194
New +$40.8K ﹤0.01% 3338
2021
Q3 		– Sell
-22,578
Closed -$2.95M – 3501
2021
Q2 		$2.95M Buy
+22,578
New +$2.82M 0.01% 1162
2020
Q2 		– Sell
-242
Closed -$68K – 2009
2020
Q1 		$68K Buy
+242
New +$74.1K ﹤0.01% 1383
2019
Q4 		– Sell
-114
Closed -$37K – 2133
2019
Q3 		$37K Sell
114
-733
-87% -$249K ﹤0.01% 1535
2019
Q2 		$298K Buy
847
+699
+472% +$275K ﹤0.01% 1185
2019
Q1 		$74K Buy
+148
New +$66.2K ﹤0.01% 1482

Other funds holding QTTB

O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
CG
Carlyle Group Washington, District of Columbia $10.6B AUM 11.25% 1-Year Est. Return
AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
ACA
Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
S
Sanofi Paris, France $336M AUM 126.85% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Marshall Wace's QTTB Position: Q1 2026 in Review

Marshall Wace opened a new position in Q32 Bio (QTTB) in Q1 2026: 52,440 shares worth $337K. The stake represents ﹤0.01% of the portfolio and ranks #2613 among its holdings. This is a return to the name: Marshall Wace previously reported a position in QTTB as recently as Q2 2025.

Marshall Wace first reported a position in QTTB in Q1 2019 and has held it in 10 quarters since. The position peaked at $2.95M in Q2 2021. 54 funds tracked by Wall St. Rank hold QTTB as of Q1 2026.

  • Marshall Wace held 52,440 shares of Q32 Bio worth $337K as of Q1 2026.
  • Q32 Bio was a new Marshall Wace position in Q1 2026.
  • Q32 Bio made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2613 holding.
  • Marshall Wace first reported a position in Q32 Bio in Q1 2019 and has held it in 10 quarters since.
  • Marshall Wace's Q32 Bio position peaked at $2.95M in Q2 2021.
  • 54 funds tracked by Wall St. Rank held Q32 Bio as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.