Marshall Wace
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Marshall Wace’s AC Immune ACIU Stock Holding History

Marshall Wace’s Portfolio ACIU Stock Details ACIU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$48.4K Buy
+18,463
New +$46.9K ﹤0.01% 2991
2026
Q2 		– Sell
-131,458
Closed -$362K – 3109
2026
Q1 		$362K Sell
131,458
-55,251
-30% -$172K ﹤0.01% 2593
2025
Q4 		$586K Buy
+186,709
New +$589K ﹤0.01% 2178
2025
Q3 		– Sell
-135,841
Closed -$276K – 2837
2025
Q2 		$276K Sell
135,841
-76,343
-36% -$133K ﹤0.01% 2351
2025
Q1 		$397K Buy
212,184
+145,866
+220% +$367K ﹤0.01% 2169
2024
Q4 		$179K Sell
66,318
-33,056
-33% -$103K ﹤0.01% 2367
2024
Q3 		$376K Buy
+99,374
New +$347K ﹤0.01% 2038
2022
Q1 		– Sell
-8,855
Closed -$44K – 3271
2021
Q4 		$44K Sell
8,855
-49,523
-85% -$288K ﹤0.01% 3579
2021
Q3 		$391K Sell
58,378
-12,685
-18% -$90.8K ﹤0.01% 2517
2021
Q2 		$563K Buy
+71,063
New +$491K ﹤0.01% 2078
2020
Q3 		– Sell
-26,770
Closed -$181K – 1534
2020
Q2 		$181K Sell
26,770
-47,470
-64% -$345K ﹤0.01% 1424
2020
Q1 		$513K Sell
74,240
-62,072
-46% -$485K 0.01% 968
2019
Q4 		$1.16M Buy
136,312
+97,217
+249% +$648K 0.01% 950
2019
Q3 		$193K Buy
39,095
+19,210
+97% +$103K ﹤0.01% 1288
2019
Q2 		$110K Sell
19,885
-8,462
-30% -$43.1K ﹤0.01% 1269
2019
Q1 		$143K Sell
28,347
-707,555
-96% -$4.5M ﹤0.01% 1384
2018
Q4 		$6.95M Buy
735,902
+722,511
+5,395% +$6.82M 0.07% 349
2018
Q3 		$107K Buy
+13,391
New +$135K ﹤0.01% 1098

Other funds holding ACIU

Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $234B AUM 43.58% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
China Universal Asset Management Company
China Universal Asset Management Company Shanghai, China $1.92B AUM 74.14% 1-Year Est. Return
Jane Street
Jane Street New York $1.19T AUM 51.51% 1-Year Est. Return
HRT Financial
HRT Financial New York $57.2B AUM 52.85% 1-Year Est. Return

Marshall Wace's ACIU Position: Q3 2026 in Review

Marshall Wace opened a new position in AC Immune (ACIU) in Q3 2026: 18,463 shares worth $48.4K. The stake represents ﹤0.01% of the portfolio and ranks #2991 among its holdings. This is a return to the name: Marshall Wace previously reported a position in ACIU as recently as Q1 2026.

Marshall Wace first reported a position in ACIU in Q3 2018 and has held it in 18 quarters since. The position peaked at $6.95M in Q4 2018. 27 funds tracked by Wall St. Rank hold ACIU as of Q3 2026.

  • Marshall Wace held 18,463 shares of AC Immune worth $48.4K as of Q3 2026.
  • AC Immune was a new Marshall Wace position in Q3 2026.
  • AC Immune made up ﹤0.01% of Marshall Wace's portfolio in Q3 2026, its #2991 holding.
  • Marshall Wace first reported a position in AC Immune in Q3 2018 and has held it in 18 quarters since.
  • Marshall Wace's AC Immune position peaked at $6.95M in Q4 2018.
  • 27 funds tracked by Wall St. Rank held AC Immune as of Q3 2026.

Based on Marshall Wace's 13F filing for Q3 2026, filed 13 Nov 2026.