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Ultragenyx Pharm (RARE)
NASDAQ
$25.98+$0.15 (+0.58%)
Price as of Aug 21, 2026 7:59 PM EDT- $2.5BMarket Cap
- -13.26%1-Year Change
- BiotechnologyIndustry
Ultragenyx Pharm (RARE)
$25.98+$0.15 (+0.58%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 10.82% | 10.7M | +3.4M (+31.49%) | Jun 30, 2026 |
VANGUARD GROUP INC | 10.42% | 10.3M | +131,087 (+1.28%) | Dec 31, 2025 |
RTW INVESTMENTS, LP | 7.92% | 7.8M | +4.1M (+53.20%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 6.89% | 6.8M | +1.4M (+20.68%) | Jun 30, 2026 |
N/A | 6.89% | 6.8M | +1.4M (+20.68%) | Jun 30, 2026 |
AQR CAPITAL MANAGEMENT LLC | 6.66% | 6.6M | +2.0M (+30.22%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 6.64% | 6.5M | +707,669 (+10.83%) | Dec 31, 2024 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 7.43% | 7.3M | +134,065 (+1.83%) | Mar 31, 2026 |
SPDR SERIES TRUST | 3.25% | 3.2M | 0 (0.00%) | Apr 30, 2026 |
JPMORGAN TRUST II | 2.00% | 2.0M | 0 (0.00%) | May 31, 2026 |
VANGUARD EXPLORER FUND | 1.94% | 1.9M | +185,467 (+9.73%) | Apr 30, 2026 |
AMERICAN FUNDS FUNDAMENTAL INVESTORS | 1.53% | 1.5M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD SPECIALIZED FUNDS | 1.26% | 1.2M | 0 (0.00%) | Apr 30, 2026 |
NEW PERSPECTIVE FUND | 1.25% | 1.2M | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions1.5B (75.79%)
- Mutual Funds486.3M (23.90%)
- Insiders6.3M (0.31%)
- Other0 (0.00%)
Insider Transactions
- 0.31% (6.3M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 8Number of InsiderSelling (last 12 months)
- $46.9MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Horn Howard Chief Financial Officer | Sell | Aug 03, 2026 | $117,024.32 | 4,696 | $24.92 | 96,295 |
Parschauer Karah Herdman EVP and Chief Legal Officer | Sell | Aug 03, 2026 | $47,348.00 | 1,900 | $24.92 | 92,562 |
Horn Howard Chief Financial Officer | Sell | Jul 01, 2026 | $155,644.74 | 4,698 | $33.13 | 100,991 |
Sanders Corazon (Corsee) D. | Sell | Jun 15, 2026 | $50,100.00 | 2,000 | $25.05 | 21,095 |
Parschauer Karah Herdman EVP and Chief Legal Officer | Sell | Jun 15, 2026 | $46,753.38 | 1,899 | $24.62 | 94,462 |
Horn Howard Chief Financial Officer | Sell | Apr 01, 2026 | $98,202.51 | 4,683 | $20.97 | 80,351 |
Parschauer Karah Herdman EVP and Chief Legal Officer | Sell | Mar 10, 2026 | $79,526.36 | 3,508 | $22.67 | 66,820 |
Parschauer Karah Herdman EVP and Chief Legal Officer | Sell | Mar 06, 2026 | $128,785.20 | 6,018 | $21.40 | 70,328 |
Horn Howard Chief Financial Officer | Sell | Mar 03, 2026 | $36,624.00 | 1,635 | $22.40 | 85,034 |
KAKKIS EMIL D President & CEO | Sell | Mar 02, 2026 | $1.2M | 54,404 | $22.80 | 658,994 |
Crombez Eric EVP and Chief Medical Officer | Sell | Mar 02, 2026 | $160,261.20 | 7,029 | $22.80 | 76,301 |
Huizenga Theodore Alan SVP, Chief Accounting Officer | In Kind | Mar 02, 2026 | $3,461.72 | 148 | $23.39 | 50,302 |
Horn Howard Chief Financial Officer | Sell | Mar 02, 2026 | $120,612.00 | 5,290 | $22.80 | 89,788 |
Harris Erik EVP & Chief Commercial Officer | Sell | Mar 02, 2026 | $240,289.20 | 10,539 | $22.80 | 89,515 |
Pinion John Richard See Remarks | Sell | Mar 02, 2026 | $228,661.20 | 10,029 | $22.80 | 110,026 |
Parschauer Karah Herdman EVP and Chief Legal Officer | Sell | Mar 02, 2026 | $185,478.00 | 8,135 | $22.80 | 76,346 |
Horn Howard Chief Financial Officer | Sell | Mar 02, 2026 | $70,302.26 | 3,119 | $22.54 | 86,669 |
Huang Dennis Karl See Remarks | In Kind | Mar 02, 2026 | $23,366.61 | 999 | $23.39 | 124,729 |
Huizenga Theodore Alan SVP, Chief Accounting Officer | Sell | Mar 02, 2026 | $37,209.60 | 1,632 | $22.80 | 48,670 |
Pinion John Richard See Remarks | Award | Mar 01, 2026 | $0.00 | 11,137 | $0.00 | 119,565 |
Harris Erik EVP & Chief Commercial Officer | Award | Mar 01, 2026 | $0.00 | 11,643 | $0.00 | 99,498 |
Horn Howard Chief Financial Officer | Award | Mar 01, 2026 | $0.00 | 6,143 | $0.00 | 95,078 |
Parschauer Karah Herdman EVP and Chief Legal Officer | Award | Mar 01, 2026 | $0.00 | 11,137 | $0.00 | 84,408 |
Crombez Eric EVP and Chief Medical Officer | Award | Mar 01, 2026 | $0.00 | 11,643 | $0.00 | 83,173 |
KAKKIS EMIL D President & CEO | Award | Mar 01, 2026 | $0.00 | 71,177 | $0.00 | 712,908 |
Huang Dennis Karl See Remarks | Award | Mar 01, 2026 | $0.00 | 11,137 | $0.00 | 125,728 |
Horn Howard Chief Financial Officer | Sell | Oct 13, 2025 | $250,252.42 | 7,942 | $31.51 | 98,227 |
Huizenga Theodore Alan SVP, Chief Accounting Officer | Sell | Sep 18, 2025 | $1,866.88 | 64 | $29.17 | 50,242 |
Crombez Eric EVP and Chief Medical Officer | Sell | May 05, 2025 | $20,404.80 | 520 | $39.24 | 71,530 |
Crombez Eric EVP and Chief Medical Officer | Sell | Apr 21, 2025 | $8,496.62 | 242 | $35.11 | 71,680 |