Heart Test Laboratories-CW27HSCSWPreferred / convertible
13F holders, Q3 2025 (September 30)3holders
1new positions
1sold out
1famous investor
$0.14avg. 13F price*
At the end of Q3 2025, 3 institutions reported holding Heart Test Laboratories-CW27 (HSCSW) in their 13F filings, unchanged from Q2 2025. 1 opened new positions and 1 sold out. The largest holders were Clear Street Group Inc. ($38K), Citadel Advisors ($30K) and UBS Group AG ($70). One famous investor held it Ken Griffin ( of Citadel Advisors's portfolio).
- Company
- Heart Test Laboratories-CW27
- Filed as
- HEARTSCIENCES INC (Q3 2025)
- CUSIP
- 42254E112
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $70 |
| Exits | 1 | $4K |
All 13F filers, Q2 2025 → Q3 2025: 500 shares bought and 47,938 shares sold, net −47,438 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 3 holders
| Clear Street Group Inc. | — | — | 270,770 | $38K |
| Citadel Advisors | — | Reduce -4.2% | 214,098 | $30K |
| UBS Group AG | — | New | 500 | $70 |
"% of holder's portfolio" is HSCSW's weight in each manager's 13F, not the share of Heart Test Laboratories-CW27 the manager owns.