S&T BANK/PA COR — AMERISOURCEBERGEN CORP COM

Ownership history in S&T BANK/PA  ·  64 quarters on record

AI Ownership Summary

S&T BANK/PA reported AMERISOURCEBERGEN CORP COM (COR) in 64 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 2.55% in 2025 Q1. The latest visible filing shows COR at 1.90% 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 S&T BANK/PA's position in AMERISOURCEBERGEN CORP COM, 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
2026 Q1

COR was reported at 1.90% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
2.55% in 2025 Q1

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 2026 Q1

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 S&T BANK/PA fund profile S&T BANK/PA full holdings
How S&T BANK/PA 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 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 16,216 -3,779 -18.9% 1.90% $5.1M 2026-05-13 $255.09
2025 Q4 REDUCED 16.1% -6.8% ✅ 19,995 -3,837 -16.1% 2.14% $6.8M 2026-02-13 $360.00
2025 Q3 REDUCED 8.1% +9.1% ❌ 23,832 -2,089 -8.1% 2.09% $7.4M 2025-11-14 $360.49
2025 Q2 REDUCED 7.6% +2.9% ❌ 25,921 -2,147 -7.6% 2.36% $7.8M 2025-08-06 $281.65
2025 Q1 REDUCED — — — 28,068 -540 -1.9% 2.55% $7.8M 2025-05-15 $283.28
2024 Q4 REDUCED 7.8% +24.1% ❌ 28,608 -2,430 -7.8% 2.05% $6.4M 2025-02-14 $240.35
2024 Q3 REDUCED 21.5% +0.1% ❌ 31,038 -8,504 -21.5% 1.83% $7.0M 2024-11-13 $246.50
2024 Q2 REDUCED 21.8% +0.1% ❌ 39,542 -11,004 -21.8% 2.27% $8.9M 2024-08-14 $234.45
2024 Q1 REDUCED 16.6% -7.8% ✅ 50,546 -10,083 -16.6% 2.36% $12.3M 2024-05-15 $218.26
2023 Q4 REDUCED 5.5% +18.6% ❌ 60,629 -3,543 -5.5% 2.30% $12.5M 2024-02-14 $227.36
54 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

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% Aurdan Capital Management, LLC 2.47%

FAQ About S&T BANK/PA and COR

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

How long has S&T BANK/PA reported owning COR?

S&T BANK/PA reported COR across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported COR position in S&T BANK/PA's portfolio?

The largest reported portfolio weight for COR was 2.55% in 2025 Q1.

What is the latest reported COR position on this page?

The most recent filing on this page is 2026 Q1, when S&T BANK/PA reported 16,216 shares, equal to 1.90% of portfolio, with an estimated market value of $5.1M.

What does the chart on this COR ownership page compare?

The chart compares S&T BANK/PA'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 S&T BANK/PA time their COR position?

Based on 13F filing dates vs. subsequent COR price moves, S&T BANK/PA correctly timed 28 out of 60 reported position changes (47%). The annualised alpha on COR relative to SPY over the holding period was +3.4%.

← Back to S&T BANK/PA Holdings