$MATX

$232.31 +$3.46 (1.51%) Live

$MATX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 29.9M shares outstanding

Who owns MATX?

By type of holder

Institutions 86.7% Insiders 2.6% Everyone else 10.8%

Concentration Top 10 holders own 52.9%

BlackRock, Inc. 16.6% · Vanguard Portfolio Management LLC 6.7%

Institutional ownership

86.7%

+0.1 pts vs last qtr

Institutional holders

428

+32 vs last qtr

Net shares bought

+39.0K

by institutions in Q2 2026

New / sold out

75 / 43

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Millennium Management LLC +263.8K
American Century Companies Inc +257.4K

Biggest sellers in Q2 2026

Balyasny Asset Management L.P. −235.7K
Algert Global LLC −165.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$29.4M

31 notices from 14 people

Shares covered

155.7K

0.52% of the company

Arranged in advance

47%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Cox Matthew J Officer 10b5-1 $13.9M
Heilmann Peter T Officer $4.54M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−26.0%

−3.29% a year

Each share's claim on the business

+35.1%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$1.31B vs $175M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years80% 3–5 years7% 1–3 years6% Under 1 year7%

Quarterly turnover

7.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MATX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	5.0M	16.58%	−55.8K (−1.1%)	≤2021	0.0%
Shares held by quarter Peak holding5.4M (Q4'24) Change over 8 quarters−420.1K Share of the company16.580% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	2.0M	6.67%	−30.5K (−1.5%)	≤2021	0.0%
Shares held by quarter Peak holding2.0M (Q1'26) Change over 8 quarters+2.0M Share of the company6.670% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

5.0M

% of company

16.58%

Change vs last qtr

−55.8K (−1.1%)

Held since

≤2021

Vanguard Portfolio Management LLC

2.0M

% of company

6.67%

Change vs last qtr

−30.5K (−1.5%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Matson Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MATX on Form N-PORT; together they hold 53.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$350M	1.8M	6.10%	0.31%	June 30, 2026
AU Avantis U.S. Small Cap Value ETF American Century ETF Trust	$266M	1.5M	4.91%	0.98%	May 31, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$350M

% of company

6.10%

% of the fund

0.31%

As of

June 30, 2026

Avantis U.S. Small Cap Value ETF

American Century ETF Trust

Position value

$266M

% of company

4.91%

% of the fund

0.98%

As of

May 31, 2026

23 more funds behind a free account

See every fund holding Matson Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
CM Cox Matthew J Insider	219.3K	0.73%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.730% Cox Matthew J's insider activity →
WJ Wine Joel M Insider	106.5K	0.36%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.360% Wine Joel M's insider activity →

Cox Matthew J

Insider

219.3K

% of company

0.73%

Change vs last qtr

—

Held since

—

Wine Joel M

Insider

106.5K

% of company

0.36%

Change vs last qtr

—

Held since

—

22 more holders behind a free account

See every insider and 5%+ holder of Matson Inc.

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