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AMGN · Amgen Inc

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$439.55 +14.27 (+3.36%)
Market Cap
$229.92B
Shares
540.63M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 3,143
Total Value: $164,898,330,086
Total Shares: 456,059,730
Showing 1–100 of 3,214 holdings by value · page 1 of 33

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 3,143 13F filers · Δ vs Mar 31, 2026
Top Holder
10.8%
Sep 2023 → Jun 2026 · range 10.8% – 12.4%
+0.0 pts
Top 5
35.3%
Sep 2023 → Jun 2026 · range 35.3% – 38.9%
−0.9 pts
Top 10
49.9%
Sep 2023 → Jun 2026 · range 47.0% – 52.2%
+0.2 pts
HHI
346
Sep 2023 → Jun 2026 · range 346 – 412
Broadly held−9

Quarterly Activity

vs Mar 31, 2026
New
176
Increased
1,261
Decreased
1,229
Sold Out
187
Unchanged
477
Holder count: -11
Institutional value: +7.5%
Shares held: +4.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 3,214
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 318154 CUSIP 031162100 13F (30d) 2644 filings 2572 filers Visit website Investor relations