Heart Test Laboratories-CW27HSCSWPreferred / convertible

13F holders, Q2 2025 (June 30)
3holders
0new positions
0sold out
1famous investor
$0.08avg. 13F price*

At the end of Q2 2025, 3 institutions reported holding Heart Test Laboratories-CW27 (HSCSW) in their 13F filings, unchanged from Q1 2025. 0 opened new positions and 0 sold out. The largest holders were Citadel Advisors ($20K), Clear Street LLC ($19K) and Susquehanna International Group, LLP ($4K). One famous investor held it Ken Griffin ( of Citadel Advisors's portfolio).

Company
Heart Test Laboratories-CW27
Filed as
HEARTSCIENCES INC (Q2 2025)
CUSIP
42254E112
Latest filing quarter
Q2 2026

History

Number of 13F holders

012345 Q1 2024: 5Q1 2024Q2 2024: 5Q2 2024Q3 2024: 3Q3 2024Q4 2024: 5Q4 2024Q1 2025: 3Q1 2025Q2 2025: 3Q2 2025Q3 2025: 3Q3 2025Q4 2025: 3Q4 2025Q1 2026: 3Q1 2026Q2 2026: 3Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q1 2025 → Q2 2025: 8,388 shares bought and 1,590 shares sold, net +6,798 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 3 holders

Citadel Advisors — Reduce -0.6% 223,519 $20K
Clear Street LLC — Reduce -0.1% 270,470 $19K
Susquehanna International Group, LLP — Add +27.8% 38,517 $4K

"% of holder's portfolio" is HSCSW's weight in each manager's 13F, not the share of Heart Test Laboratories-CW27 the manager owns.