BOSTON RESEARCH & MANAGEMENT INC LH — Laboratory CP Amer Hldgs Common

Ownership history in BOSTON RESEARCH & MANAGEMENT INC  ·  88 quarters on record

AI Ownership Summary

BOSTON RESEARCH & MANAGEMENT INC reported Laboratory CP Amer Hldgs Common (LH) in 88 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.53% in 2025 Q3. The latest visible filing shows LH at 1.48% 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 LH ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was BOSTON RESEARCH & MANAGEMENT INC's position in Laboratory CP Amer Hldgs Common, 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

LH was reported at 1.48% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.53% in 2025 Q3

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.

LH stock page BOSTON RESEARCH & MANAGEMENT INC fund profile BOSTON RESEARCH & MANAGEMENT INC full holdings
How BOSTON RESEARCH & MANAGEMENT INC held LH — position size vs. price
% of Fund (quarterly)    LH 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 — — — 23,308 -235 -1.0% 1.48% $6K 2026-04-10 $260.93
2025 Q4 REDUCED — — — 23,543 -598 -2.5% 1.36% $5.9M 2026-02-11 $289.16
2025 Q3 REDUCED — — — 24,141 -20 -0.1% 1.53% $6.9M 2025-11-12 $264.63
2025 Q2 REDUCED — — — 24,161 -204 -0.8% 1.52% $6.3M 2025-08-12 $267.23
2025 Q1 REDUCED — — — 24,365 -972 -3.8% 1.41% $5.7M 2025-05-12 $248.27
2024 Q4 ADDED — — — 25,337 +128 +0.5% 1.43% $5.8M 2025-02-12 $237.91
2024 Q3 ADDED — — — 25,209 +525 +2.1% 1.32% $5.6M 2024-11-12 $240.26
2024 Q2 ADDED — — — 24,684 +217 +0.9% 1.27% $5.0M 2024-08-13 $220.18
2024 Q1 ADDED — — — 24,467 +338 +1.4% 1.32% $5.3M 2024-05-14 $206.33
2023 Q4 ADDED — — — 24,129 +1,151 +5.0% 1.46% $5.5M 2024-02-12 $221.48
78 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding LH

As of 2026 Q1 — sorted by position size

Longboard Asset Management, LP 3.54% First Financial Group Corp 3.19% WEYBOSSET RESEARCH & MANAGEMENT LLC 3Y 7Y 2.98% AMI ASSET MANAGEMENT CORP 3Y 7Y 2.96% WealthBridge Investment Counsel Inc. 3Y 2.85% DAVIDSON INVESTMENT ADVISORS 3Y 7Y 1.82% CONTRAVISORY INVESTMENT MANAGEMENT, INC. 3Y 7Y 1.7% DELPHI MANAGEMENT INC /MA/ 3Y 7Y 1.57% William B. Walkup & Associates, Inc. 1.34% Cardinal Capital Management 3Y 7Y 1.33%

FAQ About BOSTON RESEARCH & MANAGEMENT INC and LH

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

How long has BOSTON RESEARCH & MANAGEMENT INC reported owning LH?

BOSTON RESEARCH & MANAGEMENT INC reported LH across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported LH position in BOSTON RESEARCH & MANAGEMENT INC's portfolio?

The largest reported portfolio weight for LH was 1.53% in 2025 Q3.

What is the latest reported LH position on this page?

The most recent filing on this page is 2026 Q1, when BOSTON RESEARCH & MANAGEMENT INC reported 23,308 shares, equal to 1.48% of portfolio, with an estimated market value of $6K.

What does the chart on this LH ownership page compare?

The chart compares BOSTON RESEARCH & MANAGEMENT INC's quarterly LH 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 BOSTON RESEARCH & MANAGEMENT INC time their LH position?

Based on 13F filing dates vs. subsequent LH price moves, BOSTON RESEARCH & MANAGEMENT INC correctly timed 44 out of 87 reported position changes (51%). The annualised alpha on LH relative to SPY over the holding period was +0.0%.

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