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Cyclerion Therapeutics
CYCN

18 hedge funds and large institutions have $932K invested in Cyclerion Therapeutics in 2025 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

0% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 2

0.32% less ownership

Funds ownership: 14.1% → 13.78% (-0.32%)

5% less funds holding

Funds holding: 19 → 18 (-1)

24% less capital invested

Capital invested by funds: $1.23M → $932K (-$299K)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 1

Holders
18
Holders Change
-1
Holders Change %
-5.26%
% of All Funds
0.24%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
–
Increased
2
Reduced
2
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
+$9.93K
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$595

Top Sellers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
-$34.2K
2
TRCT
Tower Research Capital (TRC)
New York
-$4.13K
3
Geode Capital Management
Geode Capital Management
Massachusetts
-$646
Name Holding Trade Value Shares
Change 		Change in
Stake
TCP
1
Tyndall Capital Partners
New York
$412K – – –
SL
2
Siren LLC
Connecticut
$290K – – –
Geode Capital Management
3
Geode Capital Management
Massachusetts
$78.1K -$646 -217 -0.7%
Vanguard Group
4
Vanguard Group
Pennsylvania
$58K – – –
BlackRock
5
BlackRock
New York
$42K – – –
UBS Group
6
UBS Group
Switzerland
$32.5K +$9.93K +3,334 +34%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$12.2K +$595 +200 +4%
TRCT
8
Tower Research Capital (TRC)
New York
$2.63K -$4.13K -1,387 -57%
Morgan Stanley
9
Morgan Stanley
New York
$1.62K – – –
Group One Trading
10
Group One Trading
Illinois
$1.33K – – –
Osaic Holdings
11
Osaic Holdings
Arizona
$325 – – –
AWM
12
Activest Wealth Management
Florida
$250 – – –
MCM
13
MAI Capital Management
Ohio
$250 – – –
EWP
14
Elevation Wealth Partners
California
$50 – – –
Bank of America
15
Bank of America
North Carolina
$48 – – –
SS
16
SBI Securities
Japan
$28 – – –
BNP Paribas Financial Markets
17
BNP Paribas Financial Markets
France
$12 – – –
Northwestern Mutual Wealth Management
18
Northwestern Mutual Wealth Management
Wisconsin
$3 – – –
Renaissance Technologies
19
Renaissance Technologies
New York
– -$34.2K -10,611 Closed

CYCN Hedge Fund Activity: Q1 2025 in Review

18 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Cyclerion Therapeutics (CYCN) for Q1 2025, worth a combined $932K — down 24% from $1.23M a quarter earlier.

Sellers outnumbered buyers: 1 fund closed out of CYCN and 0 opened new positions — a net loss of 1 holder — while 2 trimmed existing stakes and 2 added.

The largest buyer was UBS Group, adding an estimated $9.93K. The largest seller was Renaissance Technologies, exiting entirely with an estimated $34.2K sold.

  • 18 institutional investors held Cyclerion Therapeutics (CYCN) as of Q1 2025, down from 19 in Q4 2024.
  • Funds reported $932K of Cyclerion Therapeutics stock for Q1 2025, down 24% quarter-over-quarter.
  • 0 funds opened new Cyclerion Therapeutics positions in Q1 2025 and 1 closed out, a net change of -1 holder.
  • The largest Cyclerion Therapeutics buyer in Q1 2025 was UBS Group, an estimated $9.93K added.
  • The largest Cyclerion Therapeutics seller in Q1 2025 was Renaissance Technologies, an estimated $34.2K sold.

Based on aggregated 13F filings for Q1 2025.