XTX Topco’s AC Immune ACIU Stock Holding History

XTX Topco’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 Q2	–	Sell	-14,304	Closed	-$39.3K	–	4097
2026 Q1	$39.3K	Buy	+14,304	New	+$44.4K	﹤0.01%	3389
2024 Q2	–	Sell	-11,644	Closed	-$34.5K	–	1795
2024 Q1	$34.5K	Buy	+11,644	New	+$41.7K	﹤0.01%	1533

Other funds holding ACIU

BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

XTX Topco's ACIU Position: Q2 2026 in Review

XTX Topco sold out of AC Immune (ACIU) in Q2 2026, closing a stake of 14,304 shares — an estimated $39.3K sold.

XTX Topco first reported a position in ACIU in Q1 2024 and held it in 2 quarters. The position peaked at $39.3K in Q1 2026. 43 funds tracked by Wall St. Rank hold ACIU as of Q2 2026.

XTX Topco reported no remaining AC Immune position as of Q2 2026 after selling out during the quarter.
XTX Topco sold 14,304 AC Immune shares in Q2 2026, an estimated $39.3K.
XTX Topco first reported a position in AC Immune in Q1 2024 and held it in 2 quarters.
XTX Topco's AC Immune position peaked at $39.3K in Q1 2026.
43 funds tracked by Wall St. Rank held AC Immune as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.