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CSCI

COSCIENS Biopharma Inc. Common Stock

Delisted

CSCI was delisted on the 3rd of September, 2025.

12 hedge funds and large institutions have $65.8K invested in COSCIENS Biopharma Inc. Common Stock in 2023 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 3 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.04% less ownership

Funds ownership: 0.22%0.18% (-0.04%)

14% less funds holding

Funds holding: 1412 (-2)

38% less capital invested

Capital invested by funds: $106K → $65.8K (-$39.8K)

67% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 3

67% less repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 3

92% less call options, than puts

Call options by funds: $35K | Put options by funds: $412K

Holders
12
Holders Change
-2
Holders Change %
-14.29%
% of All Funds
0.17%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
1
Increased
1
Reduced
3
Closed
3
Calls
$35K
Puts
$412K
Net Calls
-$377K
Net Calls Change
+$114K

CSCI Hedge Fund Activity: Q4 2023 in Review

12 of the 6,869 institutional investors tracked by Wall St. Rank reported a position in COSCIENS Biopharma Inc. Common Stock (CSCI) for Q4 2023, worth a combined $65.8K — down 38% from $106K a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of CSCI and 1 opened new positions — a net loss of 2 holders — while 3 trimmed existing stakes and 1 added.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $18.5K. The largest seller was Two Sigma Securities, exiting entirely with an estimated $29.8K sold.

  • 12 institutional investors held COSCIENS Biopharma Inc. Common Stock (CSCI) as of Q4 2023, down from 14 in Q3 2023.
  • Funds reported $65.8K of COSCIENS Biopharma Inc. Common Stock stock for Q4 2023, down 38% quarter-over-quarter.
  • 1 fund opened new COSCIENS Biopharma Inc. Common Stock positions in Q4 2023 and 3 closed out, a net change of -2 holders.
  • The largest COSCIENS Biopharma Inc. Common Stock buyer in Q4 2023 was Citadel Advisors, an estimated $18.5K added.
  • The largest COSCIENS Biopharma Inc. Common Stock seller in Q4 2023 was Two Sigma Securities, an estimated $29.8K sold.

Based on aggregated 13F filings for Q4 2023.