Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in BMRN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 19.8M | $1.12B | +3.6% | 10.305% | 0.02% |
| 2 | DODGE & COX | 14.6M | $822.6M | -0.1% | 7.572% | 0.45% |
| 3 | PRIMECAP MANAGEMENT CO/CA/ | 14.2M | $801.8M | -2.4% | 7.380% | 0.63% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 8.6M | $488.3M | β | 4.494% | 0.01% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.3M | $468.8M | β | 4.315% | 0.02% |
| 6 | AQR CAPITAL MANAGEMENT LLC | 7.7M | $429.3M | +14.8% | 3.991% | 0.20% |
| 7 | STATE STREET CORP | 7.3M | $412.1M | -3.0% | 3.793% | 0.01% |
| 8 | VIKING GLOBAL INVESTORS LP | 7.1M | $398.9M | +17.0% | 3.672% | 1.12% |
| 9 | CITADEL ADVISORS LLC | 4.7M | $265.4M | +180.3% | 2.443% | 0.12% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 3.8M | $215.8M | +4.0% | 1.986% | 0.01% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 3.8M | $214.8M | +14.5% | 1.977% | 0.04% |
| 12 | Vestal Point Capital, LP | 3.6M | $202.0M | +19.2% | 1.859% | 5.65% |
| 13 | FMR LLC | 3.6M | $201.5M | +94.2% | 1.855% | 0.01% |
| 14 | Capital Research Global Investors | 3.5M | $197.2M | +37.1% | 1.815% | 0.03% |
| 15 | MILLENNIUM MANAGEMENT LLC | 3.1M | $173.3M | β | 1.595% | 0.12% |
| 16 | UBS Group AG | 1.9M | $108.6M | -20.6% | 1.000% | 0.02% |
| 17 | Assenagon Asset Management S.A. | 1.9M | $108.5M | +35.4% | 0.999% | 0.17% |
| 18 | FIRST TRUST ADVISORS LP | 1.7M | $94.5M | +43.3% | 0.870% | 0.07% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6M | $89.7M | +11.5% | 0.826% | 0.01% |
| 20 | NORTHERN TRUST CORP | 1.6M | $89.6M | +2.5% | 0.825% | 0.01% |
| 21 | BALYASNY ASSET MANAGEMENT LLC | 1.4M | $77.0M | β | 0.709% | 0.26% |
| 22 | MORGAN STANLEY | 1.3M | $74.7M | -42.9% | 0.687% | 0.00% |
| 23 | Point72 Asset Management, L.P. | 1.3M | $73.4M | +196.1% | 0.675% | 0.10% |
| 24 | Jones Hill Capital LP | 1.3M | $71.7M | β | 0.659% | 15.36% |
| 25 | DnB Asset Management AS | 1.2M | $69.0M | -10.2% | 0.635% | 0.25% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in BMRN β a direct measure of their conviction.
Filings activity in BMRN during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 544 | +3.0% | 94.90% | 5.12 pp | $10.21B | 5.1% |
| Q4 2025 | 528 | 5.7% | 100.02% | +12.70 pp | $10.76B | +15% |
| Q3 2025 | 560 | 2.9% | 87.32% | 8.39 pp | $9.40B | 8.8% |
| Q2 2025 | 577 | +1.1% | 95.71% | 20.79 pp | $10.30B | 18% |
| Q1 2025 | 571 | +9.4% | 116.50% | +7.11 pp | $12.54B | +6.5% |
| Q4 2024 | 522 | 0.6% | 109.39% | 1.71 pp | $11.77B | 1.5% |
| Q3 2024 | 525 | 2.1% | 111.10% | 24.35 pp | $11.96B | 18% |
| Q2 2024 | 536 | β | 135.45% | β | $14.58B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying BMRN stock.
Based on Q1 2026 13F filings, institutional ownership of BioMarin Pharmaceutical Inc. stands at 94.9%, held across 544 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of BMRN, with approximately 19,818,301 shares worth $1.12B as of Q1 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of BMRN, including VIKING GLOBAL INVESTORS LP, CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC, Point72 Asset Management, L.P..
Our composite Smart Money Score for BMRN is 52 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
94 institutions opened new positions in BMRN during Q1 2026, while 78 fully exited. 156 added to existing positions and 293 trimmed.
BMRN institutional ownership fell by 5.12 percentage points quarter-over-quarter, with a net change of +16 holders.
The top 10 institutions account for 53.1% of all reported 13F value in BMRN, and the top 25 account for 71.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
BioMarin Pharmaceutical Inc. (BMRN) Institutional Ownership