Heart Test Laboratories
HSCS
12 hedge funds and large institutions have $612K invested in Heart Test Laboratories in 2025 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 4 increasing their positions, 1 reducing their positions, and 1 closing their positions.
500% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 1
300% more repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 1
178% more capital invested
Capital invested by funds: $220K → $612K (+$392K)
71% more funds holding
Funds holding: 7 → 12 (+5)
1.04% more ownership
Funds ownership: 5.58% → 6.62% (+1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DS
DRW Securities
Chicago,
Illinois
|
+$304K |
| 2 |
TA
TFB Advisors
Overland Park,
Kansas
|
+$108K |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$67.5K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$4.29K |
| 5 |
RFG
REAP Financial Group
Austin,
Texas
|
+$1.38K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$70.1K |
| 2 |
TRCT
Tower Research Capital (TRC)
New York
|
-$1.79K |
HSCS Hedge Fund Activity: Q3 2025 in Review
12 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Heart Test Laboratories (HSCS) for Q3 2025, worth a combined $612K — up 178% from $220K a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new HSCS positions and 1 closed out — a net gain of 5 holders — while 4 added to existing stakes and 1 trimmed.
The largest buyer was DRW Securities, opening a new position worth an estimated $304K. The largest seller was Citadel Advisors, exiting entirely with an estimated $70.1K sold.
- 12 institutional investors held Heart Test Laboratories (HSCS) as of Q3 2025, up from 7 in Q2 2025.
- Funds reported $612K of Heart Test Laboratories stock for Q3 2025, up 178% quarter-over-quarter.
- 6 funds opened new Heart Test Laboratories positions in Q3 2025 and 1 closed out, a net change of +5 holders.
- The largest Heart Test Laboratories buyer in Q3 2025 was DRW Securities, an estimated $304K added.
- The largest Heart Test Laboratories seller in Q3 2025 was Citadel Advisors, an estimated $70.1K sold.
Based on aggregated 13F filings for Q3 2025.