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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

ACIU holding history

AC Immune SA in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ACIU overviewAll 13F holders of ACIUFull Q2 2026 holdings

Shares (Q2 2026)
840,127
Value
$2.00M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of ACIU by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026840,127$2.00M<0.1%+215,760+34.6%AddedHolders
Q1 2026624,367$1.72M<0.1%−44,500−6.7%ReducedHolders
Q4 2025668,867$2.10M<0.1%−101,552−13.2%ReducedHolders
Q3 2025770,419$2.23M<0.1%−57,902−7.0%ReducedHolders
Q2 2025828,321$1.68M<0.1%+24,852+3.1%AddedHolders
Q1 2025803,469$1.50M<0.1%+63,271+8.5%AddedHolders
Q4 2024740,198$2.00M<0.1%+94,191+14.6%AddedHolders
Q3 2024646,007$2.44M<0.1%−6,072−0.9%ReducedHolders
Q2 2024652,079$2.60M<0.1%+136,300+26.4%AddedHolders
Q1 2024515,779$1.53M<0.1%+98,200+23.5%AddedHolders
Q4 2023417,579$2.09M<0.1%−7,600−1.8%ReducedHolders
Q3 2023425,179$1.21M<0.1%+7,200+1.7%AddedHolders
Q2 2023417,979$1.24M<0.1%+6,900+1.7%AddedHolders
Q1 2023411,079$962.0K<0.1%+6,400+1.6%AddedHolders
Q4 2022404,679$826.0K<0.1%−30,200−6.9%ReducedHolders
Q3 2022434,879$1.37M<0.1%−39,711−8.4%ReducedHolders
Q2 2022474,590$1.71M<0.1%+22,100+4.9%AddedHolders
Q1 2022452,490$1.81M<0.1%+10,300+2.3%AddedHolders
Q4 2021442,190$2.19M<0.1%+17,500+4.1%AddedHolders
Q3 2021424,690$2.85M<0.1%−1,500−0.4%ReducedHolders
Q2 2021426,190$3.38M<0.1%−1000.0%ReducedHolders
Q1 2021426,290$3.24M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.