Achmea Investment Management B.V. COR — AmerisourceBergen Corp

Ownership history in Achmea Investment Management B.V.  ·  33 quarters on record

AI Ownership Summary

Achmea Investment Management B.V. reported AmerisourceBergen Corp (COR) in 33 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.47% in 2024 Q4. The latest visible filing shows COR at 0.44% 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 COR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Achmea Investment Management B.V.'s position in AmerisourceBergen Corp, 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 Q3

COR was reported at 0.44% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.47% in 2024 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 Q3

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.

COR stock page Achmea Investment Management B.V. fund profile Achmea Investment Management B.V. full holdings
How Achmea Investment Management B.V. held COR — position size vs. price
% of Fund (quarterly)    COR price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 ADDED — — — 112,575 +1,071 +1.0% 0.44% $35.2M 2025-11-21 $364.22
2025 Q2 REDUCED — — — 111,504 -2,438 -2.1% 0.43% $33.4M 2025-08-06 $281.65
2025 Q1 REDUCED 9.5% +8.0% ❌ 113,942 -11,928 -9.5% 0.46% $31.7M 2025-04-24 $279.74
2024 Q4 ADDED — — — 125,870 +9,857 +8.5% 0.47% $28.3M 2025-02-10 $243.51
2024 Q3 ADDED — — — 116,013 +8,654 +8.1% 0.43% $26.1M 2024-11-12 $245.34
2024 Q2 ADDED — — — 107,359 +15,083 +16.3% 0.43% $24.2M 2024-08-08 $233.21
2024 Q1 REDUCED — — — 92,276 -27 -0.0% 0.43% $22.4M 2024-05-08 $220.03
2023 Q4 REDUCED 10.4% +18.6% ❌ 92,303 -10,701 -10.4% 0.39% $19.0M 2024-02-12 $225.79
25 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding COR

As of 2026 Q1 — sorted by position size

Carmignac Gestion 3Y 7Y 5.32% Sio Capital Management, LLC 3Y 7Y 4.55% Cambridge Financial Group, Inc. 3Y 7Y 4.16% ClearAlpha Technologies LP 3.99% Cornerstone Investment Partners, LLC 3Y 7Y 3.59% Sivik Global Healthcare LLC 3Y 7Y 3.58% Birch Capital Management, LLC 3Y 3.41% Ayrshire Capital Management LLC 3Y 3.28% Delta Accumulation, LLC 3Y 2.85% MIZUHO MARKETS AMERICAS LLC 3Y 2.47%

FAQ About Achmea Investment Management B.V. and COR

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

How long has Achmea Investment Management B.V. reported owning COR?

Achmea Investment Management B.V. reported COR across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported COR position in Achmea Investment Management B.V.'s portfolio?

The largest reported portfolio weight for COR was 0.47% in 2024 Q4.

What is the latest reported COR position on this page?

The most recent filing on this page is 2025 Q3, when Achmea Investment Management B.V. reported 112,575 shares, equal to 0.44% of portfolio, with an estimated market value of $35.2M.

What does the chart on this COR ownership page compare?

The chart compares Achmea Investment Management B.V.'s quarterly COR 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 Achmea Investment Management B.V. time their COR position?

Based on 13F filing dates vs. subsequent COR price moves, Achmea Investment Management B.V. correctly timed 15 out of 26 reported position changes (58%). The annualised alpha on COR relative to SPY over the holding period was +5.6%.

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