MARINER INVESTMENT GROUP LLC TLT ISHARES TR

Ownership history in MARINER INVESTMENT GROUP LLC  ·  19 quarters on record

AI Ownership Summary

MARINER INVESTMENT GROUP LLC reported ISHARES TR (TLT) in 19 quarterly 13F filings from 2024 Q4 through 2026 Q2. Peak portfolio weight reached 1.47% in 2025 Q1. The latest visible filing shows TLT at 0.34% 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 TLT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was MARINER INVESTMENT GROUP LLC's position in ISHARES TR, 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

TLT was reported at 0.34% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.47% in 2025 Q1

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 MARINER INVESTMENT GROUP LLC held TLT — position size vs. price
% of Fund (quarterly)    TLT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED 18,080 -231,920 -92.8% 0.34% $1.6M 2026-07-27 $83.75
2026 Q2 ADDED 250,000 +50,000 +25.0% 0.01% $60K 2026-07-27 $83.75
2025 Q2 ADDED 200,000 +159,000 +387.8% 0.04% $109K 2025-07-16 $81.42
2025 Q1 REDUCED 39.7% -2.0% 41,000 -27,000 -39.7% 1.47% $3.7M 2025-05-05 $82.82
2024 Q4 ADDED 68,000 +48,000 +240.0% 1.18% $5.9M 2025-01-22 $81.92
14 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About MARINER INVESTMENT GROUP LLC and TLT

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

How long has MARINER INVESTMENT GROUP LLC reported owning TLT?

MARINER INVESTMENT GROUP LLC reported TLT across 5 quarterly 13F filings, from 2024 Q4 through 2026 Q2.

What was the largest reported TLT position in MARINER INVESTMENT GROUP LLC's portfolio?

The largest reported portfolio weight for TLT was 1.47% in 2025 Q1.

What is the latest reported TLT position on this page?

The most recent filing on this page is 2026 Q2, when MARINER INVESTMENT GROUP LLC reported 18,080 shares, equal to 0.34% of portfolio, with an estimated market value of $1.6M.

What does the chart on this TLT ownership page compare?

The chart compares MARINER INVESTMENT GROUP LLC's quarterly TLT 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 MARINER INVESTMENT GROUP LLC time their TLT position?

Based on 13F filing dates vs. subsequent TLT price moves, MARINER INVESTMENT GROUP LLC correctly timed 6 out of 18 reported position changes (33%). The annualised alpha on TLT relative to SPY over the holding period was -6.8%.

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