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COSCIENS Biopharma Inc.

CSCIF
Exchange
OTC
Industry
Perfumes, Cosmetics & Other Toilet Preparations
SEC CIK
0001113423

No open-market purchases or sales by COSCIENS Biopharma Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in COSCIENS Biopharma Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
2
−13 vs. Q2 2025
Shares held
3.91K
−22.9K (−85.4%) vs. Q2 2025
Total value
$10.3K
−$80.2K (−88.6%) vs. Q2 2025
New holders
0
0 more added
Sold out
13
0 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CSCIF on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 2 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 9 institutionsQ4 2024: 15 institutionsQ1 2025: 15 institutionsQ2 2025: 15 institutionsQ3 2025: 2 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ3 2025: $10.3K
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $61.9KQ4 2024: $56.9KQ1 2025: $77.0KQ2 2025: $104.5KQ3 2025: $10.3KQ4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding CSCIF and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20252$10.3K
Q2 202515$104.5K
Q1 202515$77.0K
Q4 202415$56.9K
Q3 20249$61.9K
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding COSCIENS Biopharma Inc.; share changes are against Q2 2025.

Institutions holding CSCIF in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
TD Waterhouse Canada Inc.3,860$10.2K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.50$1530.00%00.0%Unchanged
Susquehanna International Group, LLP0$00.00%−11,504−100.0%Sold out
Royal Bank of Canada0$00.00%−4,239−100.0%Sold out
Federation des caisses Desjardins du Quebec0$00.00%−2,435−100.0%Sold out
UBS Group AG0$00.00%−2,369−100.0%Sold out
National Bank of Canada0$00.00%−1,149−100.0%Sold out
Morgan Stanley0$00.00%−500−100.0%Sold out
MAI Capital Management0$00.00%−401−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−165−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−100−100.0%Sold out
Group One Trading, L.P.0$00.00%−37−100.0%Sold out
Truvestments Capital LLC0$00.00%−22−100.0%Sold out
Raymond James Financial Inc0$00.00%−2−100.0%Sold out
Groupe la Francaise0$00.00%−1−100.0%Sold out