Millennium Management’s AC Immune ACIU Stock Holding History

Millennium Management’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
2025 Q4	–	Sell	-94,900	Closed	-$274K	–	5954
2025 Q3	$274K	Buy	+94,900	New	+$214K	﹤0.01%	5378
2023 Q3	–	Sell	-100,000	Closed	-$296K	–	6057
2023 Q2	$296K	Buy	+100,000	New	+$218K	﹤0.01%	4892
2020 Q4	–	Sell	-200,000	Closed	-$976	–	5149
2020 Q3	$976	Buy	+200,000	New	+$1.44M	﹤0.01%	3151

Other funds holding ACIU

BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

DIG

Dauntless Investment Group Etna, New Hampshire $151M AUM 76.14% 1-Year Est. Return

Millennium Management's ACIU Position: Q1 2026 in Review

Millennium Management reduced its AC Immune (ACIU) stake by 15% in Q1 2026, selling an estimated $437K and leaving 792,657 shares worth $2.18M. The position accounts for ﹤0.01% of the portfolio, ranked #3797.

Millennium Management first reported a position in ACIU in Q3 2016 and has held it in 25 quarters since. The position peaked at $3.63M in Q1 2020. 46 funds tracked by Wall St. Rank hold ACIU as of Q1 2026.

Millennium Management held 792,657 shares of AC Immune worth $2.18M as of Q1 2026.
Millennium Management sold 140,685 AC Immune shares in Q1 2026, an estimated $437K.
AC Immune made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #3797 holding.
Millennium Management first reported a position in AC Immune in Q3 2016 and has held it in 25 quarters since.
Millennium Management's AC Immune position peaked at $3.63M in Q1 2020.
46 funds tracked by Wall St. Rank held AC Immune as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.