CYCLERION THERAPEUTICS INC

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CYCN·23255M204·US·equity·Healthcare - Biotechnology-Activist

CYCN (CYCLERION THERAPEUTICS INC) is held by 11 institutional investors as of Q1 2026. Largest holders: GEODE CAPITAL MANAGEMENT, LLC ($129,800), CITADEL ADVISORS LLC ($28,031), BlackRock, Inc. ($26,035). Net institutional sentiment: Mixed.

11

Holders

Avg rating

$197,196

Total Value

38% (15)

Fund Consensus

3 buying - 5 selling

Smart Money Verdict

View all

43Weak MomentumConfirmed

Institutional (13F)41

Insider (Form 4)

No data

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how CYCN's score breaks down across 4 SEC sources

Holder Quality

0

★★★★★

Elite

5

★★★★

Strong

4

★★★

Solid

4

★★

Below

2

★

Weak

Held by 11 funds

Who's Trading

ActivistFMR LLC15.0%May 7, 2026

ActivistJWJ. Wood Capital Advisors LLC5.4%Oct 17, 2025

ActivistTYTyndall Capital Partners, L.P.4.8%Aug 14, 2025

ActivistPMPeter M. Hecht27.9%Mar 28, 2025

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View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (11)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
GEODE CAPITAL MANAGEMENT, LLC	Increased	84,550(+95.3%)	$129,800	0.0%	-91.63%	24
CITADEL ADVISORS LLC	New	18,261	$28,031	0.0%	+131.11%	30
BlackRock, Inc.	Unchanged	16,797	$26,035	0.0%	-9.57%	0
FMR LLC	Unchanged	4,740	$7,276	0.0%	-8.58%	0
UBS Group AG	Increased	3,391(+801.9%)	$5,256	0.0%	+129.28%	17
GROUP ONE TRADING LLC	Unchanged	192	$295	0.0%	-94.88%	0
OSAIC HOLDINGS, INC.	Unchanged	130	$201	0.0%	-9.57%	0
MAI Capital Management	Unchanged	100	$155	0.0%	-9.57%	0
CITIGROUP INC	Decreased	89(-98.9%)	$137	0.0%	+164.41%	0
BNP PARIBAS FINANCIAL MARKETS	Unchanged	5	$8	0.0%	-9.57%	0
MORGAN STANLEY	Unchanged	1	$2	0.0%	+35.65%	0
TWO SIGMA ADVISERS, LP	Exited	0(-100.0%)	$35,941	0.0%	+14.41%	0
XTX Topco Ltd	Exited	0(-100.0%)	$12,734	0.0%	+14.41%	0
BANK OF AMERICA CORP /DE/	Exited	0(-100.0%)	$136	0.0%	-17.05%	0
TWO SIGMA INVESTMENTS, LP	Exited	0(-100.0%)	$52,775	0.0%	-12.96%	0

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High Conviction Moves-Signal Convergence-Fund Consensus-Double-Down Signals

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer