Cabot Corporation
Cabot Corporation (CBT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CBT · as of Sep 30, 2025
Ownership Breakdown
383
Institutional Holders
▼ 2 vs Q2
$3.84B
Total Inst. Value
▲ $3.74M vs Q2
51.62M
Shares Outstanding
freeFloat 98.74%
50.47M
13F Shares Held
▼ 634,233 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CBT largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. miscellaneous chemical products | 6.64M | 12.41% | 12.41% | $504.94B | Nov 12, 2025 | ▼ 86.8K |
VANGUARD GROUP INC miscellaneous chemical products | 5.96M | 11.14% | 11.14% | $453.15B | Nov 7, 2025 | ▼ 73.9K |
WELLINGTON MANAGEMENT GROUP LLP miscellaneous chemical products | 4.18M | 7.80% | 7.80% | $317.51B | Nov 14, 2025 | ▼ 65.4K |
EARNEST PARTNERS LLC miscellaneous chemical products | 3.19M | 5.96% | 5.96% | $242.58B | Nov 14, 2025 | ▼ 39.8K |
FULLER & THALER ASSET MANAGEMENT, INC. miscellaneous chemical products | 2.22M | 4.15% | 4.15% | $168.73B | Nov 13, 2025 | ▲ 49.5K |
STATE STREET CORP miscellaneous chemical products | 2.01M | 3.75% | 3.75% | $152.52B | Nov 14, 2025 | ▲ 26.4K |
AMERICAN CENTURY COMPANIES INC miscellaneous chemical products | 1.81M | 3.37% | 3.37% | $137.30B | Nov 12, 2025 | ▲ 140.7K |
BANK OF AMERICA CORP /DE/ miscellaneous chemical products | 1.68M | 3.15% | 3.15% | $128.03B | Feb 3, 2026 | ▲ 63.1K |
DIMENSIONAL FUND ADVISORS LP miscellaneous chemical products | 1.56M | 2.91% | 2.91% | $118.39B | Nov 12, 2025 | ▲ 73.7K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous chemical products | 1.34M | 2.50% | 2.50% | $101.92B | Nov 12, 2025 | ▼ 81.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
19
Increased
+1.35M shares0
New Positions
first time holders28
Decreased
−1.07M shares0
Sold Out
fully exitedNet shares change (top 50)
+284.7K
+1.35M / −1.07M
Net new holders
-9
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CBT insider trading · insider activity
Source: SEC Form 4
18
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Nathoo Raffiq director | Mar 31, 2026 | Award | 315.363 | — | — | 1.6K | Form 4 ↗ |
Dumont Lisa M VP, Controller & CAO | Mar 13, 2026 | Award | 4.753 | — | — | 738.67 | Form 4 ↗ |
McLaughlin Erica Executive Vice President, CFO | Mar 13, 2026 | Award | 65.922 | — | — | 10.2K | Form 4 ↗ |
DELGROSSO DOUGLAS G director | Mar 13, 2026 | Award | 33.054 | — | — | 5.1K | Form 4 ↗ |
Keohane Sean D President and CEO | Mar 13, 2026 | Award | 305.563 | — | — | 47.5K | Form 4 ↗ |
Nathoo Raffiq director | Mar 13, 2026 | Award | 8.315 | — | — | 1.3K | Form 4 ↗ |
Kalita Karen A SVP and General Counsel | Mar 13, 2026 | Award | 33.98 | — | — | 5.3K | Form 4 ↗ |
Masterson William F III Senior Vice President | Mar 13, 2026 | Award | 3.37 | — | — | 523.795 | Form 4 ↗ |
ENRIQUEZ CABOT JUAN director | Jan 8, 2026 | Award | 486 | — | — | 41.5K | Form 4 ↗ |
Nathoo Raffiq director | Jan 8, 2026 | Award | 2,298 | — | — | 9.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Cabot Corporation (CBT) is primarily owned by institutional investors, who hold approximately 97.8% of total shares outstanding. Company insiders own approximately 1.26%, while retail and public investors account for the remaining 0.96%.
The largest institutional shareholder of Cabot Corporation is BLACKROCK, INC., holding approximately 6.64 million shares — equal to 12.41% of outstanding shares — as of September 30, 2025.
A total of 383 institutional investors currently hold CBT stock, with a combined institutional value of approximately $3.84 billion as of the most recent 13F filing period.
Frequently asked questions
CBT ownershipCabot Corporation (CBT) is primarily owned by institutional investors, who hold approximately 97.8% of shares. The largest shareholder is BLACKROCK, INC. with a 12.41% stake. Company insiders hold 1.26%. Data sourced from SEC Form 13F as of September 30, 2025.