Mraz, Amerine & Associates, Inc. SBLK — STAR BULK CARRIERS CORP.

Ownership history in Mraz, Amerine & Associates, Inc.  ·  7 quarters on record

AI Ownership Summary

Mraz, Amerine & Associates, Inc. reported STAR BULK CARRIERS CORP. (SBLK) in 7 quarterly 13F filings from 2024 Q3 through 2026 Q1. Peak portfolio weight reached 0.33% in 2026 Q1. The latest visible filing shows SBLK at 0.33% 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 SBLK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Mraz, Amerine & Associates, Inc.'s position in STAR BULK CARRIERS CORP., 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

SBLK was reported at 0.33% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.33% in 2026 Q1

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

Time in book
Holding Window
2024 Q3 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.

SBLK stock page Mraz, Amerine & Associates, Inc. fund profile Mraz, Amerine & Associates, Inc. full holdings
How Mraz, Amerine & Associates, Inc. held SBLK — position size vs. price
% of Fund (quarterly)    SBLK price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 7 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 97,991 -110 -0.1% 0.33% $2.3M 2026-05-05 $26.68
2025 Q4 REDUCED — — — 98,101 -1,586 -1.6% 0.28% $1.9M 2026-02-06 $22.36
2025 Q3 REDUCED — — — 99,687 -2,088 -2.1% 0.29% $1.9M 2025-11-06 $17.77
2025 Q2 REDUCED 9.3% +9.0% ❌ 101,775 -10,456 -9.3% 0.28% $1.8M 2025-07-23 $18.61
2025 Q1 ADDED — — — 112,231 +28,010 +33.3% 0.31% $1.8M 2025-04-30 $14.35
2024 Q4 ADDED — — — 84,221 +9,126 +12.2% 0.22% $1.3M 2025-01-31 $14.87
2024 Q3 INITIATED — — — 75,095 — — 0.32% $1.8M 2024-10-23 $17.92

🏢 Other funds also holding SBLK

As of 2026 Q1 — sorted by position size

FEARNLEY ASSET MANAGEMENT AS 7.14% Marnell Management LLC 3.44% Philosophy Capital Management LLC 3Y 2.64% VALUEWORKS LLC 3Y 7Y 2.22% GRAHAM CAPITAL WEALTH MANAGEMENT, LLC 3Y 1.52% Impala Asset Management LLC 3Y 7Y 1.28% Buckland Partners Management Co LLC 1.18% Manatuck Hill Partners, LLC 3Y 7Y 0.83% Hartree Partners, LP 3Y 7Y 0.74% Counterpoint Mutual Funds LLC 3Y 0.72%

FAQ About Mraz, Amerine & Associates, Inc. and SBLK

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

How long has Mraz, Amerine & Associates, Inc. reported owning SBLK?

Mraz, Amerine & Associates, Inc. reported SBLK across 7 quarterly 13F filings, from 2024 Q3 through 2026 Q1.

What was the largest reported SBLK position in Mraz, Amerine & Associates, Inc.'s portfolio?

The largest reported portfolio weight for SBLK was 0.33% in 2026 Q1.

What is the latest reported SBLK position on this page?

The most recent filing on this page is 2026 Q1, when Mraz, Amerine & Associates, Inc. reported 97,991 shares, equal to 0.33% of portfolio, with an estimated market value of $2.3M.

What does the chart on this SBLK ownership page compare?

The chart compares Mraz, Amerine & Associates, Inc.'s quarterly SBLK 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 Mraz, Amerine & Associates, Inc. time their SBLK position?

Based on 13F filing dates vs. subsequent SBLK price moves, Mraz, Amerine & Associates, Inc. correctly timed 2 out of 6 reported position changes (33%). The annualised alpha on SBLK relative to SPY over the holding period was +10.7%.

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