SM ST MARY LD & EXPL CO COM COM

Ownership history in FRONTIER CAPITAL MANAGEMENT CO LLC  ·  81 quarters on record

AI Ownership Summary

FRONTIER CAPITAL MANAGEMENT CO LLC reported ST MARY LD & EXPL CO COM COM (SM) in 81 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 1.26% in 2024 Q1. The latest visible filing shows SM at 0.18% 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 SM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was FRONTIER CAPITAL MANAGEMENT CO LLC's position in ST MARY LD & EXPL CO COM 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
2025 Q3

SM was reported at 0.18% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.26% in 2024 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 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.

How FRONTIER CAPITAL MANAGEMENT CO LLC held SM — position size vs. price
% of Fund (quarterly)    SM price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 8 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 ADDED 796,947 +31,122 +4.1% 0.18% $19.9M 2025-11-14 $18.51
2025 Q2 REDUCED 765,825 -65,506 -7.9% 0.18% $18.9M 2025-08-14 $25.98
2025 Q1 REDUCED 831,331 -386,306 -31.7% 0.27% $24.9M 2025-05-15 $23.69
2024 Q4 REDUCED 1,217,637 -7,828 -0.6% 0.45% $47.2M 2025-02-14 $36.83
2024 Q3 ADDED 1,225,465 +18,651 +1.5% 0.46% $49.0M 2024-11-14 $42.12
2024 Q2 REDUCED 1,206,814 -1,488,882 -55.2% 0.52% $52.2M 2024-08-14 $42.58
2024 Q1 REDUCED 2,695,696 -274,776 -9.3% 1.26% $134.4M 2024-05-15 $46.04
2023 Q4 REDUCED 2,970,472 -483,163 -14.0% 1.16% $115.0M 2024-02-14 $35.29
73 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About FRONTIER CAPITAL MANAGEMENT CO LLC and SM

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

How long has FRONTIER CAPITAL MANAGEMENT CO LLC reported owning SM?

FRONTIER CAPITAL MANAGEMENT CO LLC reported SM across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported SM position in FRONTIER CAPITAL MANAGEMENT CO LLC's portfolio?

The largest reported portfolio weight for SM was 1.26% in 2024 Q1.

What is the latest reported SM position on this page?

The most recent filing on this page is 2025 Q3, when FRONTIER CAPITAL MANAGEMENT CO LLC reported 796,947 shares, equal to 0.18% of portfolio, with an estimated market value of $19.9M.

What does the chart on this SM ownership page compare?

The chart compares FRONTIER CAPITAL MANAGEMENT CO LLC's quarterly SM 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.

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