Simplex Trading
ACIU icon

Simplex Trading’s AC Immune ACIU Stock Holding History

Simplex Trading’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
-6,620
Closed -$18.2K – 9169
2026
Q1 		$18.2K Buy
+6,620
New +$20.6K ﹤0.01% 6854
2025
Q4 		– Sell
-3,258
Closed -$10.3K – 8361
2025
Q3 		$9K Buy
3,258
+2,940
+925% +$6.64K ﹤0.01% 7932
2025
Q2 		$0 Buy
318
+34
+12% +$59 ﹤0.01% 8489
2025
Q1 		$0 Buy
+284
New +$715 ﹤0.01% 8375
2024
Q2 		– Sell
-635
Closed -$2.1K – 8642
2024
Q1 		$1K Buy
+635
New +$2.28K ﹤0.01% 8513
2023
Q4 		– Sell
-553
Closed -$1.78K – 8657
2023
Q3 		$1K Buy
+553
New +$1.68K ﹤0.01% 8230
2023
Q1 		– Sell
-4,036
Closed -$9.34K – 8876
2022
Q4 		$8K Buy
4,036
+1,897
+89% +$4.89K ﹤0.01% 7696
2022
Q3 		$6K Buy
2,139
+1,829
+590% +$5.76K ﹤0.01% 8604
2022
Q2 		$1K Buy
+310
New +$1.06K ﹤0.01% 9507
2022
Q1 		– Sell
-2,188
Closed -$9.47K – 10261
2021
Q4 		$10K Sell
2,188
-1,552
-41% -$9.02K ﹤0.01% 8989
2021
Q3 		$29K Hold
3,740
– – ﹤0.01% 8110
2021
Q2 		$29K Sell
3,740
-3,890
-51% -$26.9K ﹤0.01% 8252
2021
Q1 		$58K Buy
+7,630
New +$54.5K ﹤0.01% 6422
2020
Q4 		– Sell
-8,821
Closed – – 8236
2020
Q3 		$0 Buy
+8,821
New +$63.3K ﹤0.01% 7681

Other funds holding ACIU

Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Simplex Trading's ACIU Position: Q2 2026 in Review

Simplex Trading sold out of AC Immune (ACIU) in Q2 2026, closing a stake of 6,620 shares — an estimated $18.2K sold.

Simplex Trading first reported a position in ACIU in Q3 2020 and held it in 14 quarters. The position peaked at $58K in Q1 2021. 40 funds tracked by Wall St. Rank hold ACIU as of Q2 2026.

  • Simplex Trading reported no remaining AC Immune position as of Q2 2026 after selling out during the quarter.
  • Simplex Trading sold 6,620 AC Immune shares in Q2 2026, an estimated $18.2K.
  • Simplex Trading first reported a position in AC Immune in Q3 2020 and held it in 14 quarters.
  • Simplex Trading's AC Immune position peaked at $58K in Q1 2021.
  • 40 funds tracked by Wall St. Rank held AC Immune as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.