Amgen
AMGN
2,852 hedge funds and large institutions have $121B invested in Amgen in 2025 Q2 according to their latest regulatory filings, with 145 funds opening new positions, 1,230 increasing their positions, 1,096 reducing their positions, and 182 closing their positions.
12% more repeat investments, than reductions
Existing positions increased: 1,230 | Existing positions reduced: 1,096
0.54% more ownership
Funds ownership: 79.82% → 80.37% (+0.54%)
3% less funds holding
Funds holding: 2,927 → 2,852 (-75)
10% less capital invested
Capital invested by funds: $133B → $121B (-$12.9B)
13% less call options, than puts
Call options by funds: $1.9B | Put options by funds: $2.17B
20% less first-time investments, than exits
New positions opened: 145 | Existing positions closed: 182
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 |
MBI
Montrusco Bolton Investments
Montreal,
Quebec, Canada
|
-$211M |
| 5 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$209M |
AMGN Hedge Fund Activity: Q2 2025 in Review
2,852 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Amgen (AMGN) for Q2 2025, worth a combined $121B — down 9.7% from $133B a quarter earlier.
Sellers outnumbered buyers: 182 funds closed out of AMGN and 145 opened new positions — a net loss of 37 holders — while 1,096 trimmed existing stakes and 1,230 added.
The largest buyer was Capital International Investors, adding an estimated $1.07B. The largest seller was Primecap Management, cutting an estimated $498M.
- 2,852 institutional investors held Amgen (AMGN) as of Q2 2025, down from 2,927 in Q1 2025.
- Funds reported $121B of Amgen stock for Q2 2025, down 9.7% quarter-over-quarter.
- 145 funds opened new Amgen positions in Q2 2025 and 182 closed out, a net change of -37 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.