Boston Partners LHX — L3HARRIS TECHNOLOGIES INC

Ownership history in Boston Partners  ·  26 quarters on record

AI Ownership Summary

Boston Partners reported L3HARRIS TECHNOLOGIES INC (LHX) in 26 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.73% in 2025 Q4. The latest visible filing shows LHX at 0.73% 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 LHX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Boston Partners's position in L3HARRIS TECHNOLOGIES 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

LHX was reported at 0.73% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.73% 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.

LHX stock page Boston Partners fund profile Boston Partners full holdings
How Boston Partners held LHX — position size vs. price
% of Fund (quarterly)    LHX 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 ADDED — — — 2,401,871 +519,226 +27.6% 0.73% $709.4M 2026-02-14 (Est.) $344.30
2025 Q3 REDUCED 5.8% -2.7% ✅ 1,882,645 -116,671 -5.8% 0.59% $575.1M 2025-11-13 $286.18
2025 Q2 ADDED — — — 1,999,316 +835,651 +71.8% 0.56% $503.4M 2025-08-07 $270.53
2025 Q1 REDUCED — — — 1,163,665 -15,076 -1.3% 0.29% $243.6M 2025-05-13 $214.69
2024 Q4 ADDED — — — 1,178,741 +198,243 +20.2% 0.30% $247.9M 2025-02-11 $202.16
2024 Q3 ADDED — — — 980,498 +14,853 +1.5% 0.28% $233.3M 2024-11-12 $254.71
2024 Q2 ADDED — — — 965,645 +1,402 +0.1% 0.27% $216.9M 2024-08-14 $218.91
2024 Q1 ADDED — — — 964,243 +150,685 +18.5% 0.24% $205.5M 2024-05-13 $212.51
2023 Q4 ADDED — — — 813,558 +420,943 +107.2% 0.23% $171.3M 2024-02-07 $200.80
17 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding LHX

As of 2026 Q1 — sorted by position size

Kailix Advisors LLC 5.04% M. Kraus & Co 3Y 7Y 4.71% SPRING CAPITAL MANAGEMENT, LLC 3Y 4.49% Stack Financial Management, Inc 3Y 7Y 3.58% Focused Investors LLC 3Y 7Y 3.53% Horrell Capital Management, Inc. 3Y 7Y 3.51% ASSET PLANNING SERVICES INC /LA/ /ADV 3Y 7Y 3.36% Crystal Rock Capital Management 3Y 7Y 3.17% Reliant Investment Management, LLC 3Y 7Y 3.12% WealthBridge Investment Counsel Inc. 3Y 2.84%

FAQ About Boston Partners and LHX

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

How long has Boston Partners reported owning LHX?

Boston Partners reported LHX across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported LHX position in Boston Partners's portfolio?

The largest reported portfolio weight for LHX was 0.73% in 2025 Q4.

What is the latest reported LHX position on this page?

The most recent filing on this page is 2025 Q4, when Boston Partners reported 2,401,871 shares, equal to 0.73% of portfolio, with an estimated market value of $709.4M.

What does the chart on this LHX ownership page compare?

The chart compares Boston Partners's quarterly LHX 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 Partners time their LHX position?

Based on 13F filing dates vs. subsequent LHX price moves, Boston Partners correctly timed 10 out of 24 reported position changes (42%). The annualised alpha on LHX relative to SPY over the holding period was -3.0%.

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