CANTILLON CAPITAL MANAGEMENT LLC — Quarter-over-Quarter 13F Allocation Shifts Q1 2026
In Q1 2026, CANTILLON CAPITAL MANAGEMENT LLC initiated 1 new position, increased allocation to 4 existing positions, and trimmed 10 positions. The fund's 13F equity book declined from $18.49B to $15.05B (-18.6% QoQ) . All deltas are sourced from sequential SEC Form 13F-HR filings; share-count changes reflect explicit trading activity, while weight changes can also include price movement. This page lists every position change reported — the portfolio overview shows a summary of the top shifts.
Net Portfolio Value Change
- $18.49BPrior quarter
- $15.05BCurrent quarter
- $-3.44BNet delta
- -18.6%% change
New Position Initiations Q1 2026
Securities disclosed for the first time in Q1 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Allocation Weight | History |
|---|---|---|---|
| SPOTIFY TECHNOLOGY S A | SPOT | 1.42% | Holders → |
Largest Allocation Increases Q1 2026
Largest portfolio-weight increases in existing positions. Share-count delta is shown separately so price-only re-weighting can be distinguished from active adds.
| Company | Ticker | Δ Weight | Δ Shares | History |
|---|---|---|---|---|
| ORACLE CORP | ORCL | +0.35% | +49.09% | Holders → |
| EQUIFAX INC | EFX | +0.12% | +3.91% | Holders → |
| CANADIAN PACIFIC KANSAS CITY | CP | +0.60% | +3.25% | Holders → |
| UBER TECHNOLOGIES INC | UBER | +0.21% | +1.03% | Holders → |
Largest Allocation Reductions Q1 2026
Largest portfolio-weight decreases in existing positions (positions kept open at a lower allocation).
| Company | Ticker | Δ Weight | Δ Shares | History |
|---|---|---|---|---|
| APPLIED MATLS INC | AMAT | -0.68% | -48.82% | History → |
| LIBERTY MEDIA CORP DEL | FWONK | -0.32% | -39.32% | Holders → |
| FLUTTER ENTMT PLC | FLUT | -1.70% | -39.23% | Holders → |
| TENCENT MUSIC ENTMT GROUP | TME | -0.95% | -28.47% | Holders → |
| LPL FINL HLDGS INC | LPLA | -0.06% | -11.96% | Holders → |
| TRADEWEB MKTS | TW | 0.29% | -11.95% | Holders → |
| AMERICAN TOWER CORP | AMT | 0.11% | -11.91% | Holders → |
| BROADCOM INC | AVGO | -0.28% | -11.91% | History → |
| ENTEGRIS | ENTG | 0.57% | -11.90% | Holders → |
| ADOBE INC | ADBE | -0.54% | -11.88% | Holders → |
Methodology & FAQ
How CANTILLON CAPITAL MANAGEMENT LLC Quarterly Changes Are Computed
Each row above is computed by joining the most recent 13F-HR filing for CANTILLON CAPITAL MANAGEMENT LLC against the immediately preceding quarterly filing for the same fund. Portfolio weights are normalized to exclude listed options for comparability. A complete description of the methodology — including how confidential treatment filings are handled and why share count rather than weight is the cleaner trading signal — is documented in the Methodology.
Which positions did CANTILLON CAPITAL MANAGEMENT LLC initiate in Q1 2026?
CANTILLON CAPITAL MANAGEMENT LLC established 1 new position in Q1 2026: SPOTIFY TECHNOLOGY S A (SPOT, 1.42%).
Which existing positions saw the largest allocation increases for CANTILLON CAPITAL MANAGEMENT LLC in Q1 2026?
The largest portfolio-weight increases in existing positions were: ORACLE CORP (ORCL, +0.35% weight, +49.09% shares), EQUIFAX INC (EFX, +0.12% weight, +3.91% shares), CANADIAN PACIFIC KANSAS CITY (CP, +0.60% weight, +3.25% shares), UBER TECHNOLOGIES INC (UBER, +0.21% weight, +1.03% shares).
Which positions did CANTILLON CAPITAL MANAGEMENT LLC fully exit in Q1 2026?
CANTILLON CAPITAL MANAGEMENT LLC fully exited no positions in Q1 2026.
Which existing positions saw the largest allocation reductions for CANTILLON CAPITAL MANAGEMENT LLC in Q1 2026?
The largest portfolio-weight reductions in positions kept open were: APPLIED MATLS INC (AMAT, -0.68% weight, -48.82% shares), LIBERTY MEDIA CORP DEL (FWONK, -0.32% weight, -39.32% shares), FLUTTER ENTMT PLC (FLUT, -1.70% weight, -39.23% shares), TENCENT MUSIC ENTMT GROUP (TME, -0.95% weight, -28.47% shares), LPL FINL HLDGS INC (LPLA, -0.06% weight, -11.96% shares), TRADEWEB MKTS (TW, 0.29% weight, -11.95% shares), AMERICAN TOWER CORP (AMT, 0.11% weight, -11.91% shares), BROADCOM INC (AVGO, -0.28% weight, -11.91% shares), ENTEGRIS (ENTG, 0.57% weight, -11.90% shares), ADOBE INC (ADBE, -0.54% weight, -11.88% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity.