Heron Therapeutics, Inc. (HRTX) Ownership
HRTX ownership summary
as of October 18, 2026- Institutions
- 70.3% of shares outstanding
- Insiders
- 0.98% of shares outstanding
- Shares outstanding
- 189.9M
- Float
- 146.5M shares available to trade
- Short interest
- 30.88% 46.0M shares short
- Days to cover
- 21.32 short interest up 6.1% vs prior month
- Institutions 70.26%
- Insiders 0.98%
- Other investors 28.76%
HRTX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Rubric Capital Management LP | 15.83% | 30.0M | $10.8M | — | June 30, 2026 |
| 2 | Clearline Capital LP | 6.00% | 11.4M | $4.1M | −851,278 (−7.0%) | June 30, 2026 |
| 3 | BlackRock Inc | 5.56% | 10.6M | $3.8M | +444,328 (+4.4%) | June 30, 2026 |
| 4 | Velan Capital Investment Management LP | 4.61% | 8.8M | $3.2M | — | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.10% | 7.8M | $2.8M | −27,588 (−0.4%) | June 30, 2026 |
| 6 | Tejara Capital Ltd | 3.43% | 6.5M | $2.4M | +174,040 (+2.7%) | June 30, 2026 |
| 7 | TANG CAPITAL MANAGEMENT LLC | 3.29% | 6.2M | $2.3M | — | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.25% | 4.3M | $1.5M | +260,893 (+6.5%) | June 30, 2026 |
| 9 | Millennium Management LLC | 2.14% | 4.1M | $1.5M | −3.6M (−46.7%) | June 30, 2026 |
| 10 | JW Asset Management, LLC | 1.98% | 3.8M | $1.4M | — | June 30, 2026 |
| 11 | State Street Corp | 1.70% | 3.2M | $1.2M | −615,115 (−16.0%) | June 30, 2026 |
| 12 | UBS Group AG | 1.58% | 3.0M | $1.1M | +711,190 (+31.1%) | June 30, 2026 |
| 13 | Pale Fire Capital SE | 1.32% | 2.5M | $906,644 | −204,850 (−7.5%) | June 30, 2026 |
| 14 | Marshall Wace Asset Management Ltd | 1.24% | 2.4M | $849,864 | +2.4M (0.0%) | June 30, 2026 |
| 15 | Richmond Brothers Inc | 0.94% | 1.8M | $647,027 | +355,614 (+24.8%) | June 30, 2026 |
| 16 | Vanguard Portfolio Management, LLC | 0.83% | 1.6M | $570,564 | +271,198 (+20.7%) | June 30, 2026 |
| 17 | AQR Capital Management LLC | 0.82% | 1.6M | $560,942 | +912,270 (+142.2%) | June 30, 2026 |
| 18 | Renaissance Technologies Corp | 0.79% | 1.5M | $543,991 | −211,400 (−12.3%) | June 30, 2026 |
| 19 | Vanguard Fiduciary Trust Co | 0.72% | 1.4M | $492,808 | +212,405 (+18.4%) | June 30, 2026 |
| 20 | The Goldman Sachs Group Inc | 0.70% | 1.3M | $480,041 | +272,810 (+25.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 6.0M shares and 6 cut 5.5M.
HRTX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.88% | 5.5M | $2.0M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 1.95% | 3.7M | $1.3M | −42,688 (−1.1%) | September 30, 2026 |
| 3 | Fidelity Small Cap Index | 0.86% | 1.6M | $587,047 | −2,004 (−0.1%) | July 31, 2026 |
| 4 | iShares Russell 2000 Growth ETF | 0.49% | 926K | $334,418 | −1,173 (−0.1%) | September 30, 2026 |
| 5 | Vanguard Russell 2000 ETF | 0.45% | 858K | $309,846 | −56,916 (−6.2%) | September 30, 2026 |
| 6 | Fidelity Extended Market Index | 0.33% | 632K | $228,265 | −3,398 (−0.5%) | August 31, 2026 |
| 7 | iShares Russell 2000 Value ETF | 0.27% | 513K | $185,107 | +778 (+0.2%) | September 30, 2026 |
| 8 | iShares Micro-Cap ETF | 0.25% | 470K | $169,627 | −3,241 (−0.7%) | September 30, 2026 |
| 9 | Schwab Small Cap Index | 0.22% | 414K | $149,308 | — | August 31, 2026 |
| 10 | Invesco NASDAQ Future Gen 200 ETF | 0.20% | 377K | $136,072 | — | September 30, 2026 |
| 11 | Jacob Small Cap Growth Investor | 0.19% | 357K | $128,912 | — | June 30, 2026 |
| 12 | Vanguard Health Care ETF | 0.17% | 328K | $118,308 | +419 (+0.1%) | September 30, 2026 |
| 13 | Fidelity Total Market Index | 0.17% | 318K | $114,939 | — | August 31, 2026 |
| 14 | Fidelity Series Total Market Index | 0.14% | 273K | $98,621 | — | August 31, 2026 |
| 15 | iShares Russell 2000 Small-Cap Idx Instl | 0.14% | 265K | $95,677 | — | August 31, 2026 |
| 16 | Advice Capital Globale | 0.13% | 250K | $90,250 | — | June 30, 2026 |
| 17 | Highland Global Allocation A | 0.12% | 233K | $84,041 | — | September 30, 2026 |
| 18 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.12% | 227K | $82,000 | −15,798 (−6.5%) | September 30, 2026 |
| 19 | Jacob Discovery Fd Instl | 0.11% | 217K | $78,323 | — | June 30, 2026 |
| 20 | Invesco RAFI US 1500 Small-Mid ETF | 0.10% | 199K | $71,908 | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
HRTX insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-08 | Adam Morgan | Buy | $1.50 | 1,766,546 | $2.6M |
| 2025-08-08 | Rubric Capital Management Lp | Buy | $1.50 | 2,387,225 | $3.6M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
HRTX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns HRTX
Institutional investors own 70.3% of Heron Therapeutics's shares and insiders 0.98%. The largest holder is Rubric Capital Management LP with 15.83% of the shares (30.0M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 6 reduced their stake in the latest filings. Short interest is 30.88% of the float, or 21.32 days of average trading volume. The share count rose 470.7% since 2014.
Related: HRTX analyst forecast, HRTX key metrics. See the HRTX stock overview for the latest quote and news.
HRTX ownership FAQ
Who owns the most Heron Therapeutics stock?
The largest shareholders of Heron Therapeutics are Rubric Capital Management LP (15.83%), Clearline Capital LP (6.00%), BlackRock Inc (5.56%), Velan Capital Investment Management LP (4.61%), Vanguard Capital Management, LLC (4.10%).
What percentage of Heron Therapeutics is owned by institutions?
Institutions hold 70.3% of Heron Therapeutics's shares outstanding; insiders hold 0.98%.
Which funds own Heron Therapeutics?
The largest fund holders of Heron Therapeutics are Vanguard MStar Total Stk Mkt Idx Invest (2.88%), iShares Russell 2000 ETF (1.95%), Fidelity Small Cap Index (0.86%), iShares Russell 2000 Growth ETF (0.49%), Vanguard Russell 2000 ETF (0.45%).
What is Heron Therapeutics's short interest?
46.0M shares of Heron Therapeutics were sold short, 30.88% of the float; at the average daily volume it would take 21.32 days to cover.
Are insiders buying or selling Heron Therapeutics?
Of the latest 2 reported insider transactions in Heron Therapeutics (since August 8, 2025), 2 were purchases and 0 were sales.
How many shares of Heron Therapeutics are outstanding?
Heron Therapeutics has 189.9M shares outstanding, of which 146.5M are in the public float.