Police & Firemen's Retirement System of New Jersey ADTN — ADTRAN HOLDINGS INC

Ownership history in Police & Firemen's Retirement System of New Jersey  ·  6 quarters on record

AI Ownership Summary

Police & Firemen's Retirement System of New Jersey reported ADTRAN HOLDINGS INC (ADTN) in 6 quarterly 13F filings from 2024 Q4 through 2026 Q2. The latest visible filing shows ADTN at 0.00% 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 ADTN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Police & Firemen's Retirement System of New Jersey's position in ADTRAN HOLDINGS 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
2026 Q2

ADTN was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2026 Q2

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 2026 Q2

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 Police & Firemen's Retirement System of New Jersey held ADTN — position size vs. price
% of Fund (quarterly)    ADTN price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 24,220 +3,209 +15.3% 0.00% $337K 2026-07-23 $10.15
2026 Q1 UNCHANGED — — — 21,011 — 0% 0.00% $264K 2026-04-29 $16.79
2025 Q4 ADDED — — — 21,011 +1,480 +7.6% 0.00% $183K 2026-02-13 $10.13
2025 Q2 ADDED — — — 19,531 +3,217 +19.7% 0.00% $175K 2025-08-08 $8.59
2025 Q1 UNCHANGED — — — 16,314 — 0% 0.00% $142K 2025-05-09 $7.71
2024 Q4 INITIATED — — — 16,314 — — 0.00% $136K 2025-02-11 $11.07

FAQ About Police & Firemen's Retirement System of New Jersey and ADTN

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

How long has Police & Firemen's Retirement System of New Jersey reported owning ADTN?

Police & Firemen's Retirement System of New Jersey reported ADTN across 6 quarterly 13F filings, from 2024 Q4 through 2026 Q2.

What was the largest reported ADTN position in Police & Firemen's Retirement System of New Jersey's portfolio?

The largest reported portfolio weight for ADTN was 0.00% in 2026 Q2.

What is the latest reported ADTN position on this page?

The most recent filing on this page is 2026 Q2, when Police & Firemen's Retirement System of New Jersey reported 24,220 shares, equal to 0.00% of portfolio, with an estimated market value of $337K.

What does the chart on this ADTN ownership page compare?

The chart compares Police & Firemen's Retirement System of New Jersey's quarterly ADTN 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 Police & Firemen's Retirement System of New Jersey time their ADTN position?

Based on 13F filing dates vs. subsequent ADTN price moves, Police & Firemen's Retirement System of New Jersey correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on ADTN relative to SPY over the holding period was +744.7%.

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