AMGN β€” AMGEN INC. COM

Ownership history in ADVENT CAPITAL MANAGEMENT /DE/  Β·  22 quarters on record

This page tracks every 13F SEC filing in which ADVENT CAPITAL MANAGEMENT /DE/ reported a position in AMGEN INC. COM (AMGN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
0.32% (2006 Q4)
πŸ“Š Avg. % of fund
0.07%
πŸ“… First filed
2006 Q4
πŸ“… Last filed
2025 Q3
⏱ Quarters held
22

Position Intelligence

ADVENT CAPITAL MANAGEMENT /DE/ Γ— AMGN AI Analytics

πŸ“‰ ADVENT CAPITAL MANAGEMENT /DE/ underperformed the S&P 500 by –14.8% annually on this AMGN position. Timing score: 50% (8/16 decisions correct). Average cost basis: $140.45. Maximum drawdown during holding period: –26.1%.

πŸ“ˆ Position Alpha vs SPY
-14.8%
annualised excess return

❌ Significantly underperformed the S&P 500 by 14.8% ann.
7 quarters analyzed

⏱️ Timing Score
50%

➑️ Neutral timing β€” roughly coin-flip accuracy on add/trim calls.
8 of 16 add/trim decisions correct

πŸ’° Entry Quality
$140.45
+98.1% vs current ($278.27)

Best entry: $38.26 (2007 Q3)  Β·  Worst: $278.27 (2025 Q3)

πŸ›‘οΈ Drawdown Resilience
–26.1%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
44%
buy-side decisions

8 adds Β· 10 trims. Bought during 1 of 5 down-price quarters. πŸ“‰ Predominantly trimming β€” distribution phase.

πŸ“‘ Position Trajectory
β†’ Stable
last 4–5 quarters trend

βš–οΈ Portfolio weight has remained relatively stable β€” conviction maintained.
Currently 0.1% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    AMGN price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 16,000 +1,000 +6.7% 0.10% $4.52B $278.27
2025 Q2 ADDED 15,000 +7,500 +100.0% 0.09% $4.19B $273.11
2025 Q2 REDUCED 7,500 -2,500 -25.0% 0.04% $2.09B $273.11
2024 Q4 UNCHANGED 10,000 β€” 0% 0.06% $2.61B $250.69
2024 Q1 ADDED 10,000 +5,331 +114.2% 0.07% $2.84B $267.52
2023 Q4 REDUCED 4,669 -2,331 -33.3% 0.03% $1.34B $268.90
2023 Q2 UNCHANGED 7,000 β€” 0% 0.03% $1.55B $204.01
2023 Q1 REDUCED 7,000 -8,000 -53.3% 0.03% $1.69B $220.06
2022 Q1 UNCHANGED 15,000 β€” 0% 0.06% $3.6M $213.33
2021 Q4 ADDED 15,000 +14,978 +68081.8% 0.06% $3.4M $196.78
12 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding AMGN

As of 2025 Q4 β€” sorted by position size

Round Hill Asset Management 3Y 7Y 8.47% Mizuho Markets Cayman LP 3Y 8.09% Oak Asset Management, LLC 3Y 7Y 6.41% JMAC ENTERPRISES LLC 3Y 5.66% GordonMD Global Investments LP 5.45% Smead Capital Management, Inc. 3Y 7Y 5.45% Ikarian Capital, LLC 3Y 5.11% Nepsis Inc. 3Y 7Y 5.1% Eliot Finkel Investment Counsel, LLC 3Y 7Y 4.97% Hofer & Associates. Inc 3Y 4.71%
← Back to ADVENT CAPITAL MANAGEMENT /DE/ Holdings