Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in AMGN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 47.1M | $16.57B | -0.6% | 8.727% | 0.29% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 35.0M | $12.32B | — | 6.488% | 0.31% |
| 3 | STATE STREET CORP | 30.5M | $10.75B | -0.1% | 5.660% | 0.37% |
| 4 | Capital World Investors | 29.3M | $10.30B | +26.8% | 5.427% | 1.41% |
| 5 | MORGAN STANLEY | 15.8M | $5.57B | +0.6% | 2.934% | 0.34% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 15.4M | $5.41B | +7.9% | 2.859% | 0.34% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 14.6M | $5.14B | — | 2.709% | 0.27% |
| 8 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 12.8M | $4.49B | +8.2% | 2.367% | 0.69% |
| 9 | PRIMECAP MANAGEMENT CO/CA/ | 8.9M | $3.12B | -0.4% | 1.644% | 2.46% |
| 10 | Capital International Investors | 7.1M | $2.51B | -60.8% | 1.320% | 0.59% |
| 11 | Capital Research Global Investors | 7.0M | $2.45B | +49.6% | 1.289% | 0.38% |
| 12 | Kentucky Farm Bureau Mutual Insurance Co | 10K | $2.41B | — | 0.002% | 0.05% |
| 13 | NORTHERN TRUST CORP | 6.2M | $2.19B | +0.6% | 1.152% | 0.29% |
| 14 | BANK OF AMERICA CORP /DE/ | 5.1M | $1.80B | -7.5% | 0.949% | 0.13% |
| 15 | UBS ASSET MANAGEMENT AMERICAS INC | 4.8M | $1.68B | +3.9% | 0.887% | 0.35% |
| 16 | Invesco Ltd. | 4.6M | $1.61B | -4.5% | 0.847% | 0.25% |
| 17 | ROYAL BANK OF CANADA | 4.5M | $1.58B | -4.9% | 0.830% | 0.28% |
| 18 | GOLDMAN SACHS GROUP INC | 4.4M | $1.55B | -4.0% | 0.819% | 0.18% |
| 19 | Legal & General Group Plc | 3.9M | $1.36B | +1.6% | 0.717% | 0.31% |
| 20 | Bank of New York Mellon Corp | 3.8M | $1.33B | -2.9% | 0.703% | 0.25% |
| 21 | FMR LLC | 3.8M | $1.33B | +5.1% | 0.700% | 0.07% |
| 22 | Amundi | 3.4M | $1.19B | -0.6% | 0.626% | 0.32% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 3.3M | $1.16B | +2.3% | 0.612% | 0.24% |
| 24 | UBS Group AG | 3.3M | $1.15B | -21.6% | 0.607% | 0.17% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 3.1M | $1.09B | — | 0.572% | 0.28% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AMGN — a direct measure of their conviction.
Filings activity in AMGN during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 3,065 | +2.0% | 75.85% | +2.74 pp | $145.41B | +3.7% |
| Q4 2025 | 3,004 | +9.5% | 73.11% | +11.40 pp | $140.16B | +18% |
| Q3 2025 | 2,744 | 2.1% | 61.71% | 0.44 pp | $118.31B | 0.7% |
| Q2 2025 | 2,802 | 1.3% | 62.15% | 3.67 pp | $119.15B | 5.6% |
| Q1 2025 | 2,840 | +3.5% | 65.82% | +5.48 pp | $126.17B | +9.1% |
| Q4 2024 | 2,743 | +0.3% | 60.34% | 6.10 pp | $115.67B | 9.2% |
| Q3 2024 | 2,735 | +1.3% | 66.44% | 3.77 pp | $127.36B | 5.4% |
| Q2 2024 | 2,701 | — | 70.21% | — | $134.60B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying AMGN stock.
Based on Q1 2026 13F filings, institutional ownership of Amgen Inc. stands at 75.8%, held across 3,065 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of AMGN, with approximately 47,100,472 shares worth $16.57B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of AMGN.
Our composite Smart Money Score for AMGN is 53 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
275 institutions opened new positions in AMGN during Q1 2026, while 214 fully exited. 2,299 added to existing positions and 482 trimmed.
AMGN institutional ownership rose by 2.74 percentage points quarter-over-quarter, with a net change of +61 holders.
The top 10 institutions account for 52.4% of all reported 13F value in AMGN, and the top 25 account for 68.8%.
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.
Amgen Inc. (AMGN) Institutional Ownership