$CBT

$74.02 +$1.14 (1.56%) Close

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

Ownership

13F as of Q2 2026 · 51.6M shares outstanding

Who owns CBT?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 55.7%

BlackRock, Inc. 13.5% · Wellington Management Group LLP 4.7%

Institutional ownership

100.0%

+0.8 pts vs last qtr

Institutional holders

387

+11 vs last qtr

Net shares bought

+2.2M

by institutions in Q2 2026

New / sold out

58 / 47

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +574.3K
American Century Companies Inc +530.7K

Biggest sellers in Q2 2026

Wellington Management Group LLP −1.1M
Invesco Ltd. −340.5K

Who is planning to sell?

Notices of proposed sale, last 12 months

$19.6M

3 notices from 1 person

Shares covered

229.6K

0.44% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Keohane Sean D Officer $19.6M

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

−13.8%

−1.64% a year

Each share's claim on the business

+16.1%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$959M vs $188M

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+ years86% 3–5 years4% 1–3 years7% Under 1 year3%

Quarterly turnover

9.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting CBT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	7.0M	13.51%	+357.1K (+5.4%)	≤2021	0.0%
Shares held by quarter Peak holding7.2M (Q4'24) Change over 8 quarters−234.4K Share of the company13.510% BlackRock, Inc.'s full portfolio →
WM Wellington Management Group LLP	2.4M	4.68%	−1.1M (−32.2%)	≤2021	0.0%
Shares held by quarter Peak holding4.5M (Q3'24) Change over 8 quarters−2.1M Share of the company4.680% Wellington Management Group LLP's full portfolio →

BlackRock, Inc.

7.0M

% of company

13.51%

Change vs last qtr

+357.1K (+5.4%)

Held since

≤2021

Wellington Management Group LLP

2.4M

% of company

4.68%

Change vs last qtr

−1.1M (−32.2%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting CBT on Form N-PORT; together they hold 54.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
AU Avantis U.S. Small Cap Value ETF American Century ETF Trust	$191M	2.2M	4.22%	0.70%	May 31, 2026
IC iShares Core S&P Mid-Cap ETF iShares Trust	$160M	1.8M	3.42%	0.13%	June 30, 2026

Avantis U.S. Small Cap Value ETF

American Century ETF Trust

Position value

$191M

% of company

4.22%

% of the fund

0.70%

As of

May 31, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$160M

% of company

3.42%

% of the fund

0.13%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Cabot Corp 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
KS Keohane Sean D Insider	475.7K	0.92%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.920% Keohane Sean D's insider activity →
KH Kalkstein Hobart Insider	93.4K	0.18%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.180% Kalkstein Hobart's insider activity →

Keohane Sean D

Insider

475.7K

% of company

0.92%

Change vs last qtr

—

Held since

—

Kalkstein Hobart

Insider

93.4K

% of company

0.18%

Change vs last qtr

—

Held since

—

18 more holders behind a free account

See every insider and 5%+ holder of Cabot Corp.

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