AMGEN INC (AMGN) Stock Institutional Trading Activity
AMGEN INC (AMGN) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Matrix Advisors Value Fund, Mairs & Power Growth Fund, Cullen Value Fund, Renaissance Technologies LLC, and ARK Invest. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q2 2020 | Sequoia Financial Advisors | Buy | 387 | 9,680 | $2,283 |
| Q2 2020 | Renaissance Technologies LLC | Sell | -2,138,389 | 1,611,614 | $380,115 |
| Q2 2020 | Hancock Classic Value | Sell | -564,766 | 535,571 | $126,320 |
| Q1 2020 | Torray Fund | Sell | -3,282 | 8,482 | $1,720 |
| Q1 2020 | Dodge & Cox Stock Fund | Sell | -575 | 20,797 | $4,216 |
| Q1 2020 | Hillman Value Fund | Sell | -264 | 8,888 | $1,802 |
| Q1 2020 | Sequoia Financial Advisors | Buy | 1,412 | 9,293 | $1,884 |
| Q1 2020 | Renaissance Technologies LLC | Buy | 590,465 | 3,750,003 | $760,238 |
| Q1 2020 | Hancock Classic Value | Sell | -208,970 | 1,100,337 | $223,071 |
| Q4 2019 | Mairs & Power Growth Fund | Sell | -400 | 8,380 | $2,020 |
| Q4 2019 | Torray Fund | Sell | -281 | 11,764 | $2,836 |
| Q4 2019 | Dodge & Cox Stock Fund | Sell | -25 | 21,372 | $5,152 |
| Q4 2019 | Sequoia Financial Advisors | Buy | 291 | 7,881 | $1,900 |
| Q4 2019 | Hillman Value Fund | Buy | 1,240 | 9,152 | $2,206 |
| Q4 2019 | Hancock Classic Value | Buy | 100,033 | 1,309,307 | $315,635 |
| Q4 2019 | Renaissance Technologies LLC | Sell | -498,548 | 3,159,538 | $761,670 |
| Q3 2019 | Torray Fund | Buy | 43 | 12,045 | $2,331 |
| Q3 2019 | Dodge & Cox Stock Fund | Sell | -225 | 21,397 | $4,141 |
| Q3 2019 | Sequoia Financial Advisors | Sell | -135 | 7,590 | $1,469 |
| Q3 2019 | Hancock Classic Value | Sell | -12,046 | 1,209,274 | $234,007 |
| Q3 2019 | Renaissance Technologies LLC | Buy | 694,848 | 3,658,086 | $707,876 |
| Q2 2019 | Mairs & Power Growth Fund | Sell | -300 | 8,780 | $1,618 |
| Q2 2019 | Torray Fund | Buy | 1,596 | 12,002 | $2,212 |
| Q2 2019 | Dodge & Cox Stock Fund | Sell | -200 | 21,622 | $3,985 |
| Q2 2019 | Sequoia Financial Advisors | Buy | 18 | 7,725 | $1,423 |
| Q2 2019 | Hancock Classic Value | Buy | 271,301 | 1,221,320 | $225,065 |
| Q2 2019 | Renaissance Technologies LLC | Sell | -545,345 | 2,963,238 | $546,065 |
| Q1 2019 | Mairs & Power Growth Fund | Sell | -243 | 9,080 | $1,725 |
| Q1 2019 | Torray Fund | Buy | 501 | 10,406 | $1,977 |
| Q1 2019 | Dodge & Cox Stock Fund | Sell | -600 | 21,822 | $4,146 |
Frequently asked questions about AMGN activity
Which institutional owners are buying AMGN?
Institutional owners buying AMGN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in AMGN activity?
"Buy" means an investor increased their reported position in AMGN compared to the prior reporting period. This reflects growing exposure to AMGEN INC (AMGN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AMGN increasing?
Institutional interest in AMGN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.