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CSCI

COSCIENS Biopharma Inc. Common Stock
CSCI

Delisted

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

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29 hedge funds and large institutions have $668K invested in COSCIENS Biopharma Inc. Common Stock in 2021 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 7 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% less ownership

Funds ownership: 0.02% → 0.02% (-0%)

0% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 7

6% less funds holding

Funds holding: 31 → 29 (-2)

29% less first-time investments, than exits

New positions opened: 5 | Existing positions closed: 7

40% less call options, than puts

Call options by funds: $200K | Put options by funds: $333K

54% less capital invested

Capital invested by funds: $1.46M → $668K (-$795K)

Holders
29
Holders Change
-2
Holders Change %
-6.45%
% of All Funds
0.45%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
7
Reduced
7
Closed
7
Calls
$200K
Puts
$333K
Net Calls
-$133K
Net Calls Change
-$108K

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$79.7K
2
Group One Trading
Group One Trading
Illinois
+$69.2K
3
UBS Group
UBS Group
Switzerland
+$28.3K
4
Two Sigma Advisers
Two Sigma Advisers
New York
+$23.4K
5
VF
Virtu Financial
New York
+$19.1K

Top Sellers

Rank Fund Capital Flow
1
N
Natixis
France
-$220K
2
Goldman Sachs
Goldman Sachs
New York
-$63K
3
Simplex Trading
Simplex Trading
Illinois
-$37.8K
4
Renaissance Technologies
Renaissance Technologies
New York
-$16K
5
LFA
Legacy Financial Advisors
Kentucky
-$14K
Name Holding Trade Value Shares
Change 		Change in
Stake
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$138K -$13.4K -254 -6%
Renaissance Technologies
2
Renaissance Technologies
New York
$110K -$16K -304 -9%
Group One Trading
3
Group One Trading
Illinois
$68K +$69.2K +1,314 +216%
Citadel Advisors
4
Citadel Advisors
Florida
$68K +$79.7K +1,513 +378%
VF
5
Virtu Financial
New York
$48K +$19.1K +362 +37%
EDRH
6
Edmond de Rothschild Holding
Switzerland
$36K – – –
Geode Capital Management
7
Geode Capital Management
Massachusetts
$32K – – –
FDCDDQ
8
Federation des caisses Desjardins du Quebec
Quebec, Canada
$31.7K +$15.8K +300 +51%
JP Morgan Chase
9
JP Morgan Chase
New York
$24K -$4.21K -80 -11%
Millennium Management
10
Millennium Management
New York
$20K +$1.69K +32 +6%
UBS Group
11
UBS Group
Switzerland
$19K +$28.3K +537 New
Two Sigma Advisers
12
Two Sigma Advisers
New York
$16K +$23.4K +444 New
Toronto Dominion Bank
13
Toronto Dominion Bank
Ontario, Canada
$11K +$9.22K +175 +129%
Morgan Stanley
14
Morgan Stanley
New York
$7K -$2.16K -41 -16%
Cerity Partners
15
Cerity Partners
New York
$7K – – –
SCM
16
Sterneck Capital Management
Missouri
$7K – – –
CG
17
Cutler Group
California
$5K – – –
VPIM
18
Vanguard Personalized Indexing Management
California
$5K +$7.8K +148 New
Bank of Montreal
19
Bank of Montreal
Ontario, Canada
$4K -$53 -1 -1%
National Bank of Canada
20
National Bank of Canada
Quebec, Canada
$4K +$6.27K +119 New
Wells Fargo
21
Wells Fargo
California
$2K -$2.11K -40 -44%
Osaic Holdings
22
Osaic Holdings
Arizona
$2K – – –
SWM
23
Spire Wealth Management
Virginia
$1K – – –
TC
24
Truvestments Capital
Florida
$1K – – –
FWM
25
Focused Wealth Management
New York
$1K +$527 +10 +100%
1
2

CSCI Hedge Fund Activity: Q4 2021 in Review

29 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in COSCIENS Biopharma Inc. Common Stock (CSCI) for Q4 2021, worth a combined $668K — down 54% from $1.46M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of CSCI and 5 opened new positions — a net loss of 2 holders — while 7 trimmed existing stakes and 7 added.

The largest buyer was Citadel Advisors, adding an estimated $79.7K. The largest seller was Natixis, exiting entirely with an estimated $220K sold.

  • 29 institutional investors held COSCIENS Biopharma Inc. Common Stock (CSCI) as of Q4 2021, down from 31 in Q3 2021.
  • Funds reported $668K of COSCIENS Biopharma Inc. Common Stock stock for Q4 2021, down 54% quarter-over-quarter.
  • 5 funds opened new COSCIENS Biopharma Inc. Common Stock positions in Q4 2021 and 7 closed out, a net change of -2 holders.
  • The largest COSCIENS Biopharma Inc. Common Stock buyer in Q4 2021 was Citadel Advisors, an estimated $79.7K added.
  • The largest COSCIENS Biopharma Inc. Common Stock seller in Q4 2021 was Natixis, an estimated $220K sold.

Based on aggregated 13F filings for Q4 2021.