Amgen
AMGN
2,861 hedge funds and large institutions have $121B invested in Amgen in 2025 Q2 according to their latest regulatory filings, with 143 funds opening new positions, 1,238 increasing their positions, 1,099 reducing their positions, and 181 closing their positions.
20% more capital inflows, than outflows
Capital inflows: $5.65B | Capital outflows: $4.73B
13% more repeat investments, than reductions
Existing positions increased: 1,238 | Existing positions reduced: 1,099
0.45% more ownership
Funds ownership: 79.83% → 80.28% (+0.45%)
3% less funds holding
Funds holding: 2,938 → 2,861 (-77)
13% less call options, than puts
Call options by funds: $1.9B | Put options by funds: $2.17B
21% less first-time investments, than exits
New positions opened: 143 | Existing positions closed: 181
46% less funds holding in top 10
Funds holding in top 10: 74 → 40 (-34)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital International Investors
Los Angeles,
California
|
+$1.07B |
| 2 |
BlackRock
New York
|
+$328M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$238M |
| 4 |
Charles Schwab
San Francisco,
California
|
+$195M |
| 5 |
UBS AM
Chicago,
Illinois
|
+$179M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Primecap Management
Pasadena,
California
|
-$498M |
| 2 |
Two Sigma Advisers
New York
|
-$283M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$254M |
| 4 |
Montrusco Bolton Investments
Montreal,
Quebec, Canada
|
-$211M |
| 5 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$209M |
AMGN Hedge Fund Activity: Q2 2025 in Review
2,861 of the 7,628 institutional investors tracked by Wall St. Rank reported a position in Amgen (AMGN) for Q2 2025, worth a combined $121B — down 9.7% from $134B a quarter earlier.
Sellers outnumbered buyers: 181 funds closed out of AMGN and 143 opened new positions — a net loss of 38 holders — while 1,099 trimmed existing stakes and 1,238 added.
The largest buyer was Capital International Investors, adding an estimated $1.07B. The largest seller was Primecap Management, cutting an estimated $498M.
- 2,861 institutional investors held Amgen (AMGN) as of Q2 2025, down from 2,938 in Q1 2025.
- Funds reported $121B of Amgen stock for Q2 2025, down 9.7% quarter-over-quarter.
- 143 funds opened new Amgen positions in Q2 2025 and 181 closed out, a net change of -38 holders.
- The largest Amgen buyer in Q2 2025 was Capital International Investors, an estimated $1.07B added.
- The largest Amgen seller in Q2 2025 was Primecap Management, an estimated $498M sold.
Based on aggregated 13F filings for Q2 2025.