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Mountaineer Partners Management, LLC

Position in KEX — Kirby Corp

CIK 1730532 New York, NY

Position in KEX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$11,828,578
+$2,193,999 QoQ
Shares Held
89,017
+1.8% QoQ
Ownership
0.166%
of shares outstanding
% of Portfolio
5.88%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
8 quarters on record
Voting authority Sole 81.91132030960378.ToString("F0")% Shared 0.ToString("F0")% None 18.088679690396216.ToString("F0")%

Common Shares in KEX Over Time

Shares Held

Position Value (USD)

Position in Marine Shipping

Industrials · as of Mar 31, 2026

Mountaineer Partners Management, LLC holds $11,828,578 across 1 Marine Shipping name. KEX ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 KEX
Kirby Corp
This page
89,017 $11,828,578

All Filings in KEX

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8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $11,828,578 89,017
2025-12-31 $9,634,579 87,444
2025-09-30 $5,460,216 65,431
2025-06-30 $7,420,529 65,431
2022-06-30 $10,872,290 178,703
2022-03-31 $14,050,338 194,630
2021-12-31 $11,891,901 200,133
2021-09-30 $8,601,434 179,346