Amgen Inc.
Amgen Inc. (AMGN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AMGN · as of Sep 30, 2024
Ownership Breakdown
2,933
Institutional Holders
▲ 38 vs Q2
$131.61B
Total Inst. Value
▲ $2.66B vs Q2
539.71M
Shares Outstanding
freeFloat 99.77%
409.76M
13F Shares Held
▼ 3.30M 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
AMGN largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC biological products, (no diagnostic substances) | 52.38M | 9.75% | 9.75% | $16.88T | Nov 13, 2024 | ▲ 508.9K |
BLACKROCK, INC. biological products, (no diagnostic substances) | 46.25M | 8.61% | 8.61% | $14.90T | Nov 13, 2024 | NEW |
STATE STREET CORP biological products, (no diagnostic substances) | 29.32M | 5.46% | 5.46% | $9.45T | Nov 14, 2024 | ▲ 345.5K |
MORGAN STANLEY biological products, (no diagnostic substances) | 14.69M | 2.74% | 2.74% | $4.73T | May 14, 2025 | ▲ 331.7K |
PRIMECAP MANAGEMENT CO/CA/ biological products, (no diagnostic substances) | 14.26M | 2.65% | 2.65% | $4.59T | Nov 8, 2024 | ▼ 191.2K |
GEODE CAPITAL MANAGEMENT, LLC biological products, (no diagnostic substances) | 12.12M | 2.26% | 2.26% | $3.89T | Nov 12, 2024 | ▲ 103.9K |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC biological products, (no diagnostic substances) | 10.53M | 1.96% | 1.96% | $3.39T | Nov 12, 2024 | ▲ 251.9K |
CAPITAL INTERNATIONAL INVESTORS biological products, (no diagnostic substances) | 8.72M | 1.62% | 1.62% | $2.81T | Nov 13, 2024 | ▲ 337.6K |
WELLS FARGO & COMPANY/MN biological products, (no diagnostic substances) | 7.49M | 1.39% | 1.39% | $2.41T | Nov 13, 2024 | ▼ 187.4K |
NORGES BANK biological products, (no diagnostic substances) | 5.80M | 1.08% | 1.08% | $1.87T | Nov 12, 2025 | ▼ 5.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
26
Increased
+8.49M shares1
New Positions
first time holders22
Decreased
−3.57M shares0
Sold Out
fully exitedNet shares change (top 50)
+4.92M
+8.49M / −3.57M
Net new holders
+5
1 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
AMGN insider trading · insider activity
Source: SEC Form 4
36
Buy transactions
43
Sell transactions
0.84
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 |
|---|---|---|---|---|---|---|---|
MILES AMY E director | May 19, 2026 | Award | 665 | — | — | 5.6K | Form 4 ↗ |
Kullman Ellen Jamison director | May 19, 2026 | Award | 665 | — | — | 14.5K | Form 4 ↗ |
Klotman Mary E. director | May 19, 2026 | Award | 665 | — | — | 2.2K | Form 4 ↗ |
Jacks Tyler director | May 19, 2026 | Award | 665 | — | — | 18.3K | Form 4 ↗ |
ISHRAK OMAR director | May 19, 2026 | Award | 665 | — | — | 7.4K | Form 4 ↗ |
HOLLEY CHARLES M director | May 19, 2026 | Award | 665 | — | — | 12.8K | Form 4 ↗ |
Garland Greg C. director | May 19, 2026 | Award | 665 | — | — | 13.8K | Form 4 ↗ |
ECKERT ROBERT director | May 19, 2026 | Award | 665 | — | — | 26.3K | Form 4 ↗ |
Druker Brian director | May 19, 2026 | Award | 665 | — | — | 8.4K | Form 4 ↗ |
Drake Michael V director | May 19, 2026 | Award | 665 | — | — | 5.8K | 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
Amgen Inc. (AMGN) is primarily owned by institutional investors, who hold approximately 75.9% of total shares outstanding. Company insiders own approximately 0.23%, while retail and public investors account for the remaining 23.85%.
The largest institutional shareholder of Amgen Inc. is VANGUARD GROUP INC, holding approximately 52.38 million shares — equal to 9.75% of outstanding shares — as of September 30, 2024.
A total of 2,933 institutional investors currently hold AMGN stock, with a combined institutional value of approximately $131.61 billion as of the most recent 13F filing period.
Frequently asked questions
AMGN ownershipAmgen Inc. (AMGN) is primarily owned by institutional investors, who hold approximately 75.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.75% stake. Company insiders hold 0.23%. Data sourced from SEC Form 13F as of September 30, 2024.