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 		$73.3K Sell
30,800
-16,900
-35% -$46.6K ﹤0.01% 5909
2026
Q1 		$131K Buy
47,700
+17,200
+56% +$53.4K ﹤0.01% 4772
2025
Q4 		$95.8K Buy
30,500
+23,900
+362% +$75.4K ﹤0.01% 5043
2025
Q3 		$19K Buy
+6,600
New +$14.9K ﹤0.01% 7350
2025
Q2 		– Sell
-700
Closed -$1K – 8488
2025
Q1 		$1K Sell
700
-1,200
-63% -$3.02K ﹤0.01% 8128
2024
Q4 		$5K Sell
1,900
-14,400
-88% -$45K ﹤0.01% 7561
2024
Q3 		$61K Sell
16,300
-63,200
-79% -$221K ﹤0.01% 5708
2024
Q2 		$317K Buy
79,500
+73,500
+1,225% +$243K ﹤0.01% 4158
2024
Q1 		$17K Buy
6,000
+1,500
+33% +$5.38K ﹤0.01% 7200
2023
Q4 		$22K Buy
+4,500
New +$14.5K ﹤0.01% 6833
2023
Q3 		– Sell
-7,200
Closed -$21K – 8518
2023
Q2 		$21K Buy
7,200
+6,000
+500% +$13.1K ﹤0.01% 6701
2023
Q1 		$2K Buy
+1,200
New +$2.78K ﹤0.01% 8405
2022
Q2 		– Sell
-3,800
Closed -$15K – 9816
2022
Q1 		$15K Sell
3,800
-10,500
-73% -$45.5K ﹤0.01% 8503
2021
Q4 		$70K Buy
14,300
+12,400
+653% +$72.1K ﹤0.01% 6773
2021
Q3 		$15K Hold
1,900
– – ﹤0.01% 8646
2021
Q2 		$15K Buy
1,900
+1,880
+9,400% +$13K ﹤0.01% 8806
2021
Q1 		$15K Buy
+20
New +$143 ﹤0.01% 7648

Other funds holding ACIU

BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
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
Millennium Management
Millennium Management New York $276B AUM 44.8% 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 40.89% 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

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. 43 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.
  • 43 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.