CABOT CORP (CBT)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
Institutions report 53,940,126 shares against 51,631,007 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. Over 100% because an adviser and a sub-adviser can both report the same shares, and both are counted.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $633.3M | 6,973,153 | 0.01% | 8q | +5.4%+$32.4M |
| EARNEST PARTNERS LLC | $303.9M | 3,345,689 | 1.10% | 31q | +5.9%+$17.0M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $279.4M | 3,076,935 | 0.01% | 2q | -1.4%-$4.0M |
| AMERICAN CENTURY COMPANIES INC | $251.4M | 2,768,176 | 0.11% | 27q | +23.7%+$48.2M |
| WELLINGTON MANAGEMENT GROUP LLP | $219.5M | 2,416,471 | 0.04% | 31q | -32.2%-$104.4M |
| VANGUARD CAPITAL MANAGEMENT LLC | $210.8M | 2,321,142 | 0.00% | 2q | HELD |
| STATE STREET CORP | $196.7M | 2,165,434 | 0.01% | 31q | +6.8%+$12.5M |
| FULLER & THALER ASSET MANAGEMENT, INC. | $182.0M | 2,003,514 | 0.50% | 31q | -2.2%-$4.1M |
| DIMENSIONAL FUND ADVISORS LP | $174.9M | 1,926,205 | 0.03% | 31q | +10.5%+$16.7M |
| GEODE CAPITAL MANAGEMENT, LLC | $161.6M | 1,778,678 | 0.01% | 31q | +31.3%+$38.5M |
| BANK OF AMERICA CORP /DE/ | $150.8M | 1,660,122 | 0.01% | 31q | +9.5%+$13.1M |
| FMR LLC | $141.7M | 1,560,741 | 0.01% | 31q | +14.5%+$17.9M |
| T. Rowe Price Investment Management, Inc. | $127.5M | 1,403,988 | 0.08% | 10q | +43.8%+$38.8M |
| SEI INVESTMENTS CO | $109.3M | 1,203,052 | 0.10% | 31q | +14.4%+$13.8M |
| SNYDER CAPITAL MANAGEMENT L P | $81.8M | 900,275 | 1.41% | 31q | -2.7%-$2.3M |
| AQR CAPITAL MANAGEMENT LLC | $79.0M | 870,098 | 0.03% | 31q | +2.2%+$1.7M |
| MORGAN STANLEY | $76.0M | 837,068 | 0.00% | 35q | +5.0%+$3.6M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $74.9M | 824,468 | 0.01% | 31q | +70.0%+$30.8M |
| LSV ASSET MANAGEMENT | $72.7M | 800,484 | 0.13% | 31q | +35.1%+$18.9M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $63.7M | 701,255 | 0.01% | 31q | -6.0%-$4.0M |
| NORTHERN TRUST CORP | $59.0M | 649,836 | 0.01% | 31q | +2.9%+$1.7M |
| Bank of New York Mellon Corp | $57.4M | 632,518 | 0.01% | 31q | HELD |
| NORGES BANK | $52.2M | 574,305 | 0.01% | 32q | -23.4%-$15.9M |
| Fiduciary Trust Co | $48.3M | 531,539 | 0.53% | 31q | -1.0%-$465.9K |
| GOLDMAN SACHS GROUP INC | $46.5M | 511,514 | 0.00% | 31q | +103.4%+$23.6M |
| MILLENNIUM MANAGEMENT LLC | $44.4M | 489,254 | 0.02% | 13q | +5096.0%+$43.6M |
| UBS Group AG | $44.3M | 487,308 | 0.01% | 31q | +69.5%+$18.2M |
| Capital Research Global Investors | $38.7M | 425,829 | 0.01% | 14q | -8.0%-$3.3M |
| First Eagle Investment Management, LLC | $37.9M | 416,900 | 0.03% | 2q | +205.1%+$25.5M |
| ProShare Advisors LLC | $33.9M | 373,175 | 0.05% | 23q | +1.9%+$622.5K |
| Lightrock Netherlands B.V. | $32.2M | 382,779 | 6.37% | 7q | -9.4%-$3.3M |
| VANGUARD FIDUCIARY TRUST CO | $31.2M | 343,921 | 0.01% | 2q | -5.4%-$1.8M |
| NEW YORK STATE COMMON RETIREMENT FUND | $30.6M | 336,585 | 0.04% | 31q | HELD |
| Invesco Ltd. | $27.2M | 299,570 | 0.00% | 31q | -53.2%-$30.9M |
| NATIXIS ADVISORS, LLC | $27.0M | 297,529 | 0.03% | 18q | +30.2%+$6.3M |
| JONES FINANCIAL COMPANIES LLLP | $26.7M | 285,527 | 0.01% | 8q | +32.9%+$6.6M |
| LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA | $25.8M | 283,684 | 0.25% | 31q | -0.8%-$214.3K |
| WELLS FARGO & COMPANY/MN | $22.9M | 252,655 | 0.00% | 31q | +14.1%+$2.8M |
| Leeward Investments, LLC - MA | $20.0M | 220,156 | 0.91% | 18q | -2.0%-$415.9K |
| EASTERN BANK | $18.4M | 202,300 | 0.28% | 31q | -8.9%-$1.8M |
| HANCOCK WHITNEY CORP | $18.0M | 198,143 | 0.30% | 24q | -36.7%-$10.4M |
| Pacer Advisors, Inc. | $17.4M | 192,076 | 0.04% | 13q | -22.5%-$5.1M |
| VICTORY CAPITAL MANAGEMENT INC | $17.1M | 187,806 | 0.01% | 31q | +2.2%+$373.5K |
| Creative Planning | $16.8M | 185,488 | 0.01% | 17q | +43.0%+$5.1M |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $16.8M | 185,077 | 0.05% | new | NEW |
| ENVESTNET ASSET MANAGEMENT INC | $16.7M | 183,849 | 0.00% | 31q | +1.7%+$278.6K |
| PRINCIPAL FINANCIAL GROUP INC | $16.7M | 183,745 | 0.01% | 31q | +3.6%+$579.2K |
| RHUMBLINE ADVISERS | $15.7M | 173,187 | 0.01% | 31q | +4.1%+$617.9K |
| FRANKLIN RESOURCES INC | $13.1M | 144,524 | 0.00% | 8q | -1.2%-$158.3K |
| PEAK6 LLC | $12.9M CALL | options only | 0.03% | new | OPTIONS |
| Nuveen, LLC | $12.1M | 133,661 | 0.00% | 6q | +12.9%+$1.4M |
| Fiera Capital Corp | $11.7M | 128,919 | 0.04% | 8q | -42.8%-$8.8M |
| JPMORGAN CHASE & CO | $11.2M | 122,105 | 0.00% | 31q | -8.0%-$977.3K |
| California Public Employees Retirement System | $10.5M | 115,560 | 0.01% | 18q | +10.4%+$986.2K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $10.0M | 110,259 | 0.00% | 31q | +16.4%+$1.4M |
| Cambria Investment Management, L.P. | $9.7M | 106,888 | 0.48% | 6q | -17.2%-$2.0M |
| Swiss National Bank | $9.5M | 104,800 | 0.00% | 31q | HELD |
| Caisse de depot et placement du Quebec | $8.7M | 95,889 | 0.01% | 8q | -54.9%-$10.6M |
| CITIGROUP INC | $8.1M | 88,904 | 0.00% | 31q | +7.9%+$588.5K |
| DENALI ADVISORS LLC | $7.9M | 86,707 | 0.79% | 3q | -18.9%-$1.8M |
| JANE STREET GROUP, LLC | $7.7M incl. $5.6M options CALL+PUT | 23,391 | 0.00% | 20q | HELD |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $7.6M | 83,422 | 0.01% | 9q | +3.4%+$250.8K |
| ALLIANCEBERNSTEIN L.P. | $7.5M | 99,026 | 0.00% | 31q | +5.0%+$352.2K |
| AMERIPRISE FINANCIAL INC | $7.1M | 78,591 | 0.00% | 31q | -65.4%-$13.5M |
| Legal & General Group Plc | $6.9M | 75,970 | 0.00% | 31q | HELD |
| Aureus Asset Management, LLC | $6.1M | 67,080 | 0.37% | 31q | HELD |
| Universal- Beteiligungs- und Servicegesellschaft mbH | $6.1M | 66,868 | 0.01% | 7q | -26.6%-$2.2M |
| PEREGRINE CAPITAL MANAGEMENT LLC | $6.0M | 66,437 | 0.20% | 20q | -8.0%-$525.1K |
| FIRST TRUST ADVISORS LP | $5.8M | 64,192 | 0.00% | 19q | -56.8%-$7.7M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $5.6M | 61,588 | 0.01% | 31q | -2.8%-$161.8K |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $5.4M | 59,422 | 0.02% | 18q | +21.2%+$942.5K |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | $5.1M | 56,056 | 0.01% | 31q | -11.1%-$635.0K |
| DEUTSCHE BANK AG\ | $5.0M | 55,412 | 0.00% | 34q | +9.8%+$450.1K |
| BROWN BROTHERS HARRIMAN & CO | $5.0M | 55,393 | 0.02% | 31q | -0.6%-$30.0K |
| MetLife Investment Management, LLC | $4.9M | 54,422 | 0.02% | 32q | +2.2%+$107.5K |
| RAYMOND JAMES FINANCIAL INC | $4.9M | 54,388 | 0.00% | 7q | +9.7%+$435.6K |
| Retirement Systems of Alabama | $4.8M | 53,390 | 0.01% | 31q | -16.6%-$965.5K |
| FIFTH THIRD BANCORP | $4.8M | 52,748 | 0.01% | 31q | +7.1%+$317.9K |
| Ballast Asset Management, LP | $4.8M | 52,510 | 1.90% | 5q | +28.9%+$1.1M |
| VANGUARD ASSET MANAGEMENT, Ltd | $4.6M | 50,798 | 0.00% | 2q | +3.7%+$166.2K |
| MERCER GLOBAL ADVISORS INC /ADV | $4.6M | 50,719 | 0.01% | 18q | +9.2%+$389.1K |
| OPPENHEIMER ASSET MANAGEMENT INC. | $4.5M | 49,852 | 0.05% | 31q | -1.0%-$47.2K |
| Man Group plc | $4.3M | 47,451 | 0.01% | 12q | -79.7%-$16.9M |
| Bridgewater Associates, LP | $4.3M | 47,424 | 0.02% | 9q | +73.4%+$1.8M |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $4.3M | 47,211 | 0.00% | 31q | -2.1%-$92.5K |
| Allianz Asset Management GmbH | $4.2M | 46,692 | 0.00% | 9q | HELD |
| 1492 Capital Management LLC | $4.0M | 44,101 | 1.18% | 2q | -8.2%-$359.3K |
| LAZARD ASSET MANAGEMENT LLC | $4.0M | 43,972 | 0.01% | 12q | +1.7%+$68.4K |
| Russell Investments Group, Ltd. | $3.9M | 43,255 | 0.00% | 31q | +35.1%+$1.0M |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $3.9M | 42,980 | 0.01% | 30q | +0.8%+$32.7K |
| PRUDENTIAL FINANCIAL INC | $3.7M | 41,168 | 0.00% | 34q | +357.8%+$2.9M |
| Brevan Howard Capital Management LP | $3.6M | 39,436 | 0.03% | 7q | +78.9%+$1.6M |
| CITADEL ADVISORS LLC | $3.5M incl. $2.6M options CALL+PUT | 9,360 | 0.00% | 31q | -66.4%-$6.9M |
| Empowered Funds, LLC | $3.1M | 34,651 | 0.02% | 2q | -12.1%-$435.0K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3.1M incl. $372.4K options CALL | 30,355 | 0.00% | 19q | +9.4%+$267.9K |
| Cetera Investment Advisers | $3.1M | 34,306 | 0.00% | 10q | +0.5%+$15.6K |
| CANADA LIFE ASSURANCE Co | $3.0M | 33,364 | 0.00% | 27q | -1.0%-$32.1K |
| IMC-Chicago, LLC | $2.6M incl. $2.0M options CALL+PUT | 6,206 | 0.00% | 2q | HELD |
| Moran Wealth Management, LLC | $2.5M | 27,996 | 0.07% | 15q | -10.0%-$283.9K |
| ROYAL BANK OF CANADA | $2.4M | 26,847 | 0.00% | 31q | +10.3%+$228.7K |
Showing the largest 100 of 394 reported holders.
What the company announced
Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.
| Filed | Event date | What | Source |
|---|---|---|---|
| 2026-09-15 | 2026-09-11 | Directors or officers departed or appointed | filing |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-28 | Keohane Sean D | President and CEO | Sold | 134,895 | $11.5M |
| 2026-08-07 | Keohane Sean D | President and CEO | Sold | 91,923 | $7.9M |
| 2026-08-24 | Keohane Sean D | President and CEO | Sold | 2,779 | $237.6K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 97 | $114.8M | 1,492,903 | 13 | 18 | 27 | 0.0% |
| Q2 2026 | 394 | $4.9B | 53,940,126 | 55 | 142 | 100 | 0.5% |
| Q1 2026 | 380 | $3.9B | 51,236,718 | 48 | 129 | 120 | 0.2% |
| Q4 2025 | 366 | $3.6B | 53,886,349 | 41 | 107 | 144 | 0.1% |
| Q3 2025 | 381 | $3.9B | 50,754,803 | 46 | 109 | 146 | 0.2% |
| Q2 2025 | 382 | $3.8B | 51,137,765 | 39 | 120 | 141 | 0.1% |
| Q1 2025 | 408 | $4.3B | 51,676,522 | 36 | 133 | 141 | 0.1% |
| Q4 2024 | 428 | $4.8B | 52,819,750 | 38 | 125 | 139 | 0.2% |
| Q3 2024 | 407 | $5.8B | 52,200,201 | 69 | 127 | 124 | 0.2% |
| Q2 2024 | 387 | $4.8B | 52,613,549 | 52 | 119 | 119 | 0.2% |
| Q1 2024 | 360 | $4.9B | 53,529,358 | 46 | 117 | 118 | 0.2% |
| Q4 2023 | 333 | $4.4B | 52,592,167 | 46 | 108 | 89 | 0.2% |
| Q3 2023 | 297 | $3.5B | 50,719,448 | 37 | 87 | 99 | 0.2% |
| Q2 2023 | 285 | $3.4B | 51,422,991 | 27 | 85 | 103 | 0.2% |
| Q1 2023 | 304 | $4.4B | 56,687,853 | 34 | 95 | 95 | 0.2% |
| Q4 2022 | 317 | $3.5B | 51,662,659 | 45 | 89 | 114 | 0.1% |
| Q3 2022 | 293 | $4.3B | 67,730,739 | 40 | 80 | 113 | 0.2% |
| Q2 2022 | 277 | $5.7B | 89,397,673 | 39 | 78 | 89 | 0.3% |
| Q1 2022 | 281 | $3.9B | 57,277,664 | 48 | 83 | 78 | 0.4% |
| Q4 2021 | 267 | $4.6B | 81,019,822 | 25 | 81 | 87 | 0.1% |
| Q3 2021 | 273 | $5.7B | 114,157,978 | 30 | 77 | 86 | 0.1% |
| Q2 2021 | 281 | $4.7B | 81,901,250 | 33 | 87 | 96 | 0.1% |
| Q1 2021 | 281 | $3.2B | 61,645,330 | 40 | 87 | 93 | 0.2% |
| Q4 2020 | 274 | $2.8B | 62,278,448 | 41 | 68 | 100 | 0.3% |
| Q3 2020 | 251 | $2.2B | 60,897,144 | 31 | 78 | 82 | 0.1% |
| Q2 2020 | 238 | $2.8B | 76,574,503 | 31 | 69 | 94 | 0.1% |
| Q1 2020 | 248 | $2.7B | 102,604,825 | 29 | 95 | 77 | 0.2% |
| Q4 2019 | 272 | $3.4B | 72,268,559 | 30 | 76 | 98 | 0.3% |
| Q3 2019 | 260 | $3.1B | 68,378,386 | 26 | 70 | 98 | 0.3% |
| Q2 2019 | 274 | $3.3B | 69,059,822 | 34 | 80 | 103 | 0.3% |
| Q1 2019 | 273 | $2.9B | 69,257,528 | 31 | 76 | 92 | 0.2% |
| Q4 2018 | 291 | $3.0B | 69,640,390 | 6 | 5 | 4 | 0.0% |
