Atalan Capital Partners, LP: AMPHENOL (APH): Quarterly 13F Position History
As of Q1 2026, Atalan Capital Partners, LP reported 962,450 shares of AMPHENOL (APH), worth $121.6M and representing 11.2% of its 13F equity book. Quarter-over-quarter share count change: 417,050 (-30.2%) . The position first appeared in Q4 2023 and has been disclosed across 10 13F-HR filings in Pactolio's tracked window.
- 962,450Shares Held (Latest Filing)
- $121.6MReported Market Value (Latest Filing)
- 11.2%Portfolio Weight (% of 13F Equity Book)
- 417,050Quarter-over-Quarter Share Change
- -$64.8MQuarter-over-Quarter Value Change
- 1,600,000Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 10 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 962,450 | 417,050 | -30.2% | $121.6M | 11.2% | $126.3 |
| Q4 2025 | 1,379,500 | 108,500 | -7.3% | $186.4M | 13.3% | $135.1 |
| Q3 2025 | 1,488,000 | 112,000 | -7.0% | $184.1M | 12.9% | $123.8 |
| Q2 2025 | 1,600,000 | +205,000 | +14.7% | $158.0M | 12.1% | $98.8 |
| Q1 2025 | 1,395,000 | 0 | — | $91.5M | 8.7% | $65.6 |
| Q4 2024 | 1,395,000 | 0 | — | $96.9M | 9.6% | $69.5 |
| Q3 2024 | 1,395,000 | +245,000 | +21.3% | $90.9M | 7.8% | $65.2 |
| Q2 2024 | 1,150,000 | +700,000 | +155.6% | $77.5M | 7.2% | $67.4 |
| Q1 2024 | 450,000 | 0 | — | $51.9M | 4.3% | $115.3 |
| Q4 2023 | 450,000 | — | — | $44.6M | 3.9% | $99.1 |
Methodology & FAQ
How This Position History Is Sourced
Each row is one SEC Form 13F-HR filing disclosing this position. Share count, market value, and reported quarter are taken verbatim from the filing; portfolio weight is recomputed against the same filing's total reported equity book. Implied price-per-share is market value divided by shares — a quarter-end mark, not the manager's cost basis. See the full methodology document for the normalization rules.
When did Atalan Capital Partners, LP first disclose a APH position in 13F-HR filings?
Atalan Capital Partners, LP first reported AMPHENOL (APH) on its 13F-HR filing for the period ending 2023-12-31 (Q4 2023). The position has appeared on 10 reported quarters within Pactolio's tracked window.
What was Atalan Capital Partners, LP's most recent quarter-over-quarter share-count change in APH?
Between Q4 2025 and Q1 2026, Atalan Capital Partners, LP reduced its APH position by 417,050 shares (-30.2%), leaving 962,450 shares at a market value of $121.6M.
Does the implied price-per-share represent Atalan Capital Partners, LP's cost basis in APH?
No. The implied price-per-share column is the 13F-HR reported market value divided by reported share count on the filing date (end of quarter). It is a quarter-end mark, not a cost basis or transaction price. Use it as a sanity check on the value column, not as an indicator of the manager's entry or exit price.