Cabot Corporation
US ˙ NYSE ˙ US1270551013

SecurityCBT / Cabot Corporation
InstitutionFranklin Resources Inc
Latest Disclosed Ownership146,267 shares
Latest Disclosed Value $ 11,015,368
Franklin Resources Inc reports 872.84% increase in ownership of CBT / Cabot Corporation

On May 13, 2026 - Franklin Resources Inc filed a 13F-HR form disclosing ownership of 146,267 shares of Cabot Corporation (US:CBT) valued at $11,015,368 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 15,035 shares of Cabot Corporation. This represents a change in shares of 872.84% during the quarter. The current value of the position is $12,146,012 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F CABOT COM 127055101 146,267 131,232 872.84 11,015 1,005.92 0.0027
2026-02-11 2025-12-31 13F CABOT COM 127055101 15,035 1,577 11.72 997 -2.64 0.0002
2025-11-13 2025-09-30 13F CABOT COM 127055101 13,458 2,907 27.55 1,023 29.33 0.0003
2025-08-12 2025-06-30 13F CABOT COM 127055101 10,551 181 1.75 791 -8.24 0.0002
2025-05-13 2025-03-31 13F CABOT COM 127055101 10,370 4,608 79.97 862 63.88 0.0002
2025-02-12 2024-12-31 13F CABOT COM 127055101 5,762 17 0.30 526 -19.45 0.0001
2024-11-27 2024-09-30 13F/A-1 CABOT COM 127055101 5,745 5,745 654 0.0002
2024-11-12 2024-09-30 13F CABOT COM 127055101 5,745 5,745 654 0.0000
2022-02-11 2021-12-31 13F CABOT COM 127055101 0 -128,369 -100.00 0 -100.00
2021-11-12 2021-09-30 13F CABOT COM 127055101 128,369 -1,235,634 -90.59 6,434 -91.71 0.0024
2021-08-13 2021-06-30 13F CABOT COM 127055101 1,364,003 -627,487 -31.51 77,652 -25.64 0.0297
2021-05-13 2021-03-31 13F CABOT COM 127055101 1,991,490 21,758 1.10 104,434 18.14 0.0425
2021-02-10 2020-12-31 13F CABOT COM 127055101 1,969,732 365,678 22.80 88,401 52.96 0.0374
2020-11-12 2020-09-30 13F CABOT COM 127055101 1,604,054 329,019 25.80 57,793 17.46 0.0280
2020-08-13 2020-06-30 13F CABOT COM 127055101 1,275,035 1,275,035 49,204 0.0253
2016-05-10 2016-03-31 13F CABOT COM 127055101 0 0 0 0.0000
2016-04-27 2015-12-31 13F/A-1 CABOT COM 127055101 0 0 0 0.0000
2015-11-10 2015-09-30 13F CABOT COM 127055101 0 -251,200 -100.00 0 -100.00
2015-08-12 2015-06-30 13F CABOT COM 127055101 251,200 -1,713,660 -87.22 9,367 -89.41 0.0043
2015-05-14 2015-03-31 13F CABOT COM 127055101 1,964,860 0 0.00 88,419 2.60 0.0401
2015-02-10 2014-12-31 13F CABOT COM 127055101 1,964,860 -45,800 -2.28 86,179 -15.58 0.0391
2014-11-12 2014-09-30 13F CABOT COM 127055101 2,010,660 30,500 1.54 102,081 -11.10 0.0466
2014-08-12 2014-06-30 13F CABOT COM 127055101 1,980,160 -55,600 -2.73 114,829 -4.49 0.0506
2014-05-13 2014-03-31 13F CABOT COM 127055101 2,035,760 -135,747 -6.25 120,232 7.72 0.0568
2014-02-12 2013-12-31 13F CABOT COM 127055101 2,171,507 27,700 1.29 111,615 21.90 0.0546
2013-11-14 2013-09-30 13F CABOT COM 127055101 2,143,807 386,307 21.98 91,562 39.22 0.0487
2013-08-09 2013-06-30 13F CABOT COM 127055101 1,757,500 1,757,500 65,766 0.0375
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.