PRIMECAP MANAGEMENT CO/CA/ ELAN ELANCO ANIMAL HEALTH INC

Ownership history in PRIMECAP MANAGEMENT CO/CA/  ·  30 quarters on record

AI Ownership Summary

PRIMECAP MANAGEMENT CO/CA/ reported ELANCO ANIMAL HEALTH INC (ELAN) in 30 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.79% in 2025 Q4. The latest visible filing shows ELAN at 0.79% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this ELAN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PRIMECAP MANAGEMENT CO/CA/'s position in ELANCO ANIMAL HEALTH INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

ELAN was reported at 0.79% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.79% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How PRIMECAP MANAGEMENT CO/CA/ held ELAN — position size vs. price
% of Fund (quarterly)    ELAN price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 7.5% +5.7% 46,214,088 -3,744,068 -7.5% 0.79% $1.05B 2026-02-14 (Est.) $25.13
2025 Q3 REDUCED 49,958,156 -1,808,658 -3.5% 0.77% $1.01B 2025-11-12 $22.05
2025 Q2 ADDED 51,766,814 +1,543,279 +3.1% 0.59% $739.2M 2025-08-11 $17.10
2025 Q1 REDUCED 50,223,535 -941,630 -1.8% 0.44% $527.3M 2025-05-09 $11.96
2024 Q4 REDUCED 51,165,165 -1,410,337 -2.7% 0.48% $619.6M 2025-02-10 $11.48
2024 Q3 REDUCED 52,575,502 -227,261 -0.4% 0.57% $772.3M 2024-11-08 $14.07
2024 Q2 REDUCED 52,802,763 -82,305 -0.2% 0.55% $761.9M 2024-08-09 $13.04
2024 Q1 ADDED 52,885,068 +2,284,744 +4.5% 0.64% $861.0M 2024-05-14 $17.07
2023 Q4 ADDED 50,600,324 +1,431,665 +2.9% 0.60% $753.9M 2024-02-09 $15.97
21 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About PRIMECAP MANAGEMENT CO/CA/ and ELAN

These are the practical questions this page is built to answer before you even open the full history table.

How long has PRIMECAP MANAGEMENT CO/CA/ reported owning ELAN?

PRIMECAP MANAGEMENT CO/CA/ reported ELAN across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ELAN position in PRIMECAP MANAGEMENT CO/CA/'s portfolio?

The largest reported portfolio weight for ELAN was 0.79% in 2025 Q4.

What is the latest reported ELAN position on this page?

The most recent filing on this page is 2025 Q4, when PRIMECAP MANAGEMENT CO/CA/ reported 46,214,088 shares, equal to 0.79% of portfolio, with an estimated market value of $1.05B.

What does the chart on this ELAN ownership page compare?

The chart compares PRIMECAP MANAGEMENT CO/CA/'s quarterly ELAN portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did PRIMECAP MANAGEMENT CO/CA/ time their ELAN position?

Based on 13F filing dates vs. subsequent ELAN price moves, PRIMECAP MANAGEMENT CO/CA/ correctly timed 12 out of 29 reported position changes (41%). The annualised alpha on ELAN relative to SPY over the holding period was -16.9%.

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