AI summary pending
View Full Filing (SEC EDGAR)Heartflow Inc
$49.74+4.4%
+$396.6M
Net Activity
+17.69% total shares
Institutions Holding
196
Popularity Rank
#3060
Avg Weight
0.20%
Total Value
$2.2B
Market Cap
$1.8B
196 institutions currently hold HTFL, with 150 net buyers and 62 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
62
Net Buying Institutions
150
Top 5 by Value
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Across its top 20 institutional holders, HTFL's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 10/100, avg. turnover score 43/100).
HTFL ranks #3060 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
HTFL is a top-conviction position for Bain Capital Life Sciences Investors, LLC — at 14.7% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
Wealth Enhancement Advisory Services, LLC has added to its HTFL position for two straight quarters, increasing it by $3.9M to reach $7.2M today.
Essential Partners LLC has trimmed its HTFL position for two straight quarters, cutting it by $47.6K while still holding $9.4K.
HTFL is up 4.4% today, and institutions have been net buyers of $396.6M this quarter — today's price move and the underlying institutional flow are pointing the same direction.
HTFL reported a net loss of $118.4M over the trailing twelve months.
+$3.3B
Total Buy Value
$334.9M
Total Sell Value
150
Net Buyers
62
Net Sellers
HTFL
Q2 2026
Top 5 Institutional Movers
HTFL does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
20
Filings (90d)
$29.12M
Total Est. Value
660K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| Farquhar John C.M. | 2026-10-13 | $1.93M |
| Rogers Campbell | 2026-09-18 | $987K |
| Rogers Campbell | 2026-09-18 | $283K |
| Verghese Vikram | 2026-09-18 | $851K |
| Verghese Vikram | 2026-09-17 | $380K |
| Verghese Vikram | 2026-09-15 | $33K |
| Verghese Vikram | 2026-09-14 | $231K |
| Verghese Vikram | 2026-09-11 | $1.49M |
| Farquhar John C.M. | 2026-09-11 | $195K |
| Farquhar John C.M. | 2026-09-10 | $1.63M |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
2
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| BCLS Fund III Investments, LP | 13G/A | 2026-08-14 | 9.8% |
| Wellington Management Group LLP | 13G/A | 2026-08-13 | 9.1% |
| Wellington Management Group LLP | 13G/A | 2026-08-06 | 10.7% |
1
Filings (14d)
AI summary pending
View Full Filing (SEC EDGAR)42238D107
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,442
Total reported value
$354.7B
Held by 4442 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,353
Total reported value
$864.4B
Held by 4353 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,273
Total reported value
$320.7B
Held by 4273 institutions — one of the most-tracked stocks on AlphaSMO
Access HTFL's institutional ownership data programmatically:
REST API
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