Harmony Biosciences Holdings, Inc.
Harmony Biosciences Holdings, Inc. (HRMY) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · HRMY · as of Sep 30, 2025
Ownership Breakdown
312
Institutional Holders
▲ 28 vs Q2
$1.31B
Total Inst. Value
▼ $314.80M vs Q2
57.89M
Shares Outstanding
freeFloat 87.01%
47.47M
13F Shares Held
▼ 3.82M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
HRMY largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. pharmaceutical preparations | 6.93M | 12.05% | 12.05% | $190.88B | Nov 12, 2025 | ▲ 189.0K |
VANGUARD GROUP INC pharmaceutical preparations | 5.10M | 8.87% | 8.87% | $140.48B | Nov 7, 2025 | ▼ 13.6K |
FMR LLC pharmaceutical preparations | 3.85M | 6.69% | 6.69% | $106.02B | Nov 13, 2025 | ▼ 841.2K |
DIMENSIONAL FUND ADVISORS LP pharmaceutical preparations | 1.69M | 2.94% | 2.94% | $46.62B | Nov 12, 2025 | ▲ 109.4K |
AMERICAN CENTURY COMPANIES INC pharmaceutical preparations | 1.67M | 2.91% | 2.91% | $46.01B | Nov 12, 2025 | ▲ 168.1K |
STATE STREET CORP pharmaceutical preparations | 1.65M | 2.88% | 2.88% | $45.57B | Nov 14, 2025 | ▲ 24.4K |
LSV ASSET MANAGEMENT pharmaceutical preparations | 1.59M | 2.78% | 2.78% | $43.95B | Nov 6, 2025 | ▲ 106.4K |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP pharmaceutical preparations | 1.30M | 2.25% | 2.25% | $35.70B | Nov 13, 2025 | ▲ 388.5K |
VALOR MANAGEMENT LLC pharmaceutical preparations | 1.27M | 2.21% | 2.21% | $34.95B | Nov 14, 2025 | ▼ 5.35M |
GEODE CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 1.26M | 2.19% | 2.19% | $34.68B | Nov 12, 2025 | ▲ 203.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
31
Increased
+3.58M shares2
New Positions
first time holders15
Decreased
−7.40M shares0
Sold Out
fully exitedNet shares change (top 50)
3.82M
+3.58M / −7.40M
Net new holders
+18
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
HRMY insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
18
Buy transactions
18
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Germano Geno J director | May 14, 2026 | Award | 21,231 | $30.76 | $653.1K | 21.2K | Form 4 ↗ |
Szyper Linda M director | May 14, 2026 | Award | 21,872 | $30.76 | $672.8K | 21.9K | Form 4 ↗ |
Philip Ron M director | May 14, 2026 | Award | 21,872 | $30.76 | $672.8K | 21.9K | Form 4 ↗ |
Graf R. Mark director | May 14, 2026 | Award | 21,872 | $30.76 | $672.8K | 21.9K | Form 4 ↗ |
Sabater Juan A. director | May 14, 2026 | Award | 21,872 | $30.76 | $672.8K | 21.9K | Form 4 ↗ |
Sender Gary director | May 14, 2026 | Award | 21,872 | $30.76 | $672.8K | 21.9K | Form 4 ↗ |
Budur Kumar CHIEF MEDICAL OFFICER | May 1, 2026 | Tax Withhold | 8,882 | $31.83 | $282.7K | 24.1K | Form 4 ↗ |
Reicin Glenn CHIEF FINANCIAL OFFICER | Apr 14, 2026 | Award | 164,309 | $29.29 | $4.81M | 164.3K | Form 4 ↗ |
Zaeske Adam H. CHIEF COMMERCIAL OFFICER | Apr 7, 2026 | Tax Withhold | 3,173 | $27.62 | $87.6K | 4.3K | Form 4 ↗ |
Anastasiou Peter CHIEF OPERATING OFFICER | Apr 2, 2026 | Award | 212,241 | $27.74 | $5.89M | 212.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Harmony Biosciences Holdings, Inc. (HRMY) is primarily owned by institutional investors, who hold approximately 82.0% of total shares outstanding. Company insiders own approximately 12.99%, while retail and public investors account for the remaining 5.02%.
The largest institutional shareholder of Harmony Biosciences Holdings, Inc. is BLACKROCK, INC., holding approximately 6.93 million shares — equal to 12.05% of outstanding shares — as of September 30, 2025.
A total of 312 institutional investors currently hold HRMY stock, with a combined institutional value of approximately $1.31 billion as of the most recent 13F filing period.
Frequently asked questions
HRMY ownershipHarmony Biosciences Holdings, Inc. (HRMY) is primarily owned by institutional investors, who hold approximately 82.0% of shares. The largest shareholder is BLACKROCK, INC. with a 12.05% stake. Company insiders hold 12.99%. Data sourced from SEC Form 13F as of September 30, 2025.