TrueMark Investments, LLC OCSL — OAKTREE SPECIALTY LENDING CO

Ownership history in TrueMark Investments, LLC  ·  5 quarters on record

AI Ownership Summary

TrueMark Investments, LLC reported OAKTREE SPECIALTY LENDING CO (OCSL) in 5 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 1.51% in 2024 Q3. The latest visible filing shows OCSL at 0.06% 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 OCSL ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was TrueMark Investments, LLC's position in OAKTREE SPECIALTY LENDING CO, 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 Q1

OCSL was reported at 0.06% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.51% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q2 to 2026 Q1

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.

OCSL stock page TrueMark Investments, LLC fund profile TrueMark Investments, LLC full holdings
How TrueMark Investments, LLC held OCSL — position size vs. price
% of Fund (quarterly)    OCSL 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 Q1 REDUCED — — — 29,133 -54,211 -65.0% 0.06% $329K 2026-04-20 $12.66
2025 Q4 ADDED — — — 83,344 +61,872 +288.2% 0.20% $1.1M 2026-01-14 $12.06
2025 Q3 REDUCED 92.5% +0.8% ❌ 21,472 -266,605 -92.5% 0.05% $280K 2025-10-30 $12.58
2024 Q3 ADDED — — — 288,077 +62,530 +27.7% 1.51% $4.7M 2024-10-16 $13.29
2024 Q2 INITIATED — — — 225,547 — — 1.45% $4.2M 2024-07-29 $14.25

🏢 Other funds also holding OCSL

As of 2026 Q1 — sorted by position size

Melia Wealth LLC 6.79% PANORAMIC INVESTMENT ADVISORS, LLC 3Y 6.79% Beach Point Capital Management LP 3Y 7Y 4.94% BRUNI J V & CO /CO 3Y 7Y 2.95% Triad Investment Management 3Y 7Y 2.57% Claret Asset Management Corp 3Y 7Y 2.25% CASTLEKEEP INVESTMENT ADVISORS LLC 2.06% Michelson Medical Research Foundation, Inc. 3Y 1.95% ARES MANAGEMENT LLC 3Y 7Y 1.56% Muzinich & Co., Inc. 3Y 7Y 1.32%

FAQ About TrueMark Investments, LLC and OCSL

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

How long has TrueMark Investments, LLC reported owning OCSL?

TrueMark Investments, LLC reported OCSL across 5 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported OCSL position in TrueMark Investments, LLC's portfolio?

The largest reported portfolio weight for OCSL was 1.51% in 2024 Q3.

What is the latest reported OCSL position on this page?

The most recent filing on this page is 2026 Q1, when TrueMark Investments, LLC reported 29,133 shares, equal to 0.06% of portfolio, with an estimated market value of $329K.

What does the chart on this OCSL ownership page compare?

The chart compares TrueMark Investments, LLC's quarterly OCSL 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 TrueMark Investments, LLC time their OCSL position?

Based on 13F filing dates vs. subsequent OCSL price moves, TrueMark Investments, LLC correctly timed 2 out of 4 reported position changes (50%). The annualised alpha on OCSL relative to SPY over the holding period was -23.1%.

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