Heart Test Laboratories
HSCS
16 hedge funds and large institutions have $386K invested in Heart Test Laboratories in 2026 Q2 according to their latest regulatory filings, with 6 funds opening new positions, 1 increasing their positions, 3 reducing their positions, and 3 closing their positions.
100% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 3
23% more funds holding
Funds holding: 13 → 16 (+3)
1.95% less ownership
Funds ownership: 6.77% → 4.83% (-1.9%)
28% less capital invested
Capital invested by funds: $539K → $386K (-$153K)
67% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 3
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$29.7K |
| 2 |
Citigroup
New York
|
+$12K |
| 3 |
BlackRock
New York
|
+$1.54K |
| 4 |
Osaic Holdings
Scottsdale,
Arizona
|
+$1.23K |
| 5 |
CIAM
Caitong International Asset Management
Hong Kong
|
+$16 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DS
DRW Securities
Chicago,
Illinois
|
-$192K |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
-$12.1K |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$1.36K |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
-$990 |
| 5 |
ASN
Advisory Services Network
Atlanta,
Georgia
|
-$696 |
HSCS Hedge Fund Activity: Q2 2026 in Review
16 of the 8,303 institutional investors tracked by Wall St. Rank reported a position in Heart Test Laboratories (HSCS) for Q2 2026, worth a combined $386K — down 28% from $539K a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new HSCS positions and 3 closed out — a net gain of 3 holders — while 1 added to existing stakes and 3 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $29.7K. The largest seller was DRW Securities, exiting entirely with an estimated $192K sold.
- 16 institutional investors held Heart Test Laboratories (HSCS) as of Q2 2026, up from 13 in Q1 2026.
- Funds reported $386K of Heart Test Laboratories stock for Q2 2026, down 28% quarter-over-quarter.
- 6 funds opened new Heart Test Laboratories positions in Q2 2026 and 3 closed out, a net change of +3 holders.
- The largest Heart Test Laboratories buyer in Q2 2026 was Citadel Advisors, an estimated $29.7K added.
- The largest Heart Test Laboratories seller in Q2 2026 was DRW Securities, an estimated $192K sold.
Based on aggregated 13F filings for Q2 2026.