CYCN · Insider trading · 13F holders · Congress trades
Cyclerion Therapeutics, Inc. (CYCN)
Who is buying and selling CYCN: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 1
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
CYCN at a glance
- No open-market insider purchases or sales of CYCN were filed in the last 90 days.
- 1 13F filer hold CYCN among their 50 largest positions, worth $5.6M combined. The biggest bets by portfolio weight are Kalehua Capital Management LLC (4.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in CYCN.
CYCN insider trading
No open-market insider purchases or sales of CYCN were filed in the last 90 days.
Who owns CYCN? Hedge funds and superinvestors
1 13F filer hold CYCN among their 50 largest positions, worth $5.6M combined. The biggest bets by portfolio weight are Kalehua Capital Management LLC (4.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Kalehua Capital Management LLCHedge fund | 4.0% | $5.6M | 1,651,350 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 1). Screen CYCN in the grand portfolio →
CYCN stock trades by members of Congress
No member of Congress has disclosed a trade in CYCN.
CYCN questions and answers
Are insiders buying CYCN stock?
No open-market insider purchases or sales of CYCN were filed in the last 90 days.
Which hedge funds own CYCN?
1 13F filer hold CYCN among their 50 largest positions, worth $5.6M combined. The biggest bets by portfolio weight are Kalehua Capital Management LLC (4.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
Has Congress traded CYCN?
No member of Congress has disclosed a trade in CYCN.
Who is the largest holder of CYCN?
Among 13F filers, Kalehua Capital Management LLC reports the largest CYCN position, $5.6M (1,651,350 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Kalehua Capital Management LLC's: 4.0% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.