FIP β€” FTAI INFRASTRUCTURE INC

Ownership history in FRONTIER CAPITAL MANAGEMENT CO LLC  Β·  5 quarters on record

AI Ownership Summary

FRONTIER CAPITAL MANAGEMENT CO LLC reported FTAI INFRASTRUCTURE INC (FIP) in 5 quarterly 13F filings from 2024 Q4 through 2025 Q4. Peak portfolio weight reached 0.32% in 2025 Q4. The latest visible filing shows FIP at 0.32% 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.

What this FIP 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 FTAI INFRASTRUCTURE 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

FIP was reported at 0.32% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.32% 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
2024 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.

How FRONTIER CAPITAL MANAGEMENT CO LLC held FIP β€” position size vs. price
% of Fund (quarterly)    FIP price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 5 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 6,576,963 +890,870 +15.7% 0.32% $30.3M 2026-02-14 (Est.) $5.97
2025 Q3 ADDED 5,686,093 +2,046,159 +56.2% 0.22% $24.8M 2025-11-14 $4.40
2025 Q2 ADDED 3,639,934 +2,947,567 +425.7% 0.21% $22.5M 2025-08-14 $4.64
2025 Q1 ADDED 692,367 +298,516 +75.8% 0.03% $3.1M 2025-05-15 $5.12
2024 Q4 INITIATED 393,851 β€” β€” 0.03% $2.9M 2025-02-14 $6.32

FAQ About FRONTIER CAPITAL MANAGEMENT CO LLC and FIP

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 FIP?

FRONTIER CAPITAL MANAGEMENT CO LLC reported FIP across 5 quarterly 13F filings, from 2024 Q4 through 2025 Q4.

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

The largest reported portfolio weight for FIP was 0.32% in 2025 Q4.

What is the latest reported FIP position on this page?

The most recent filing on this page is 2025 Q4, when FRONTIER CAPITAL MANAGEMENT CO LLC reported 6,576,963 shares, equal to 0.32% of portfolio, with an estimated market value of $30.3M.

What does the chart on this FIP ownership page compare?

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

← Back to FRONTIER CAPITAL MANAGEMENT CO LLC Holdings