NewMarket Corporation
US ˙ NYSE ˙ US6515871076

SecurityNEU / NewMarket Corporation
InstitutionFranklin Resources Inc
Latest Disclosed Ownership11,674 shares
Latest Disclosed Value $ 7,482,450
Franklin Resources Inc reports 45.79% decrease in ownership of NEU / NewMarket Corporation

On May 13, 2026 - Franklin Resources Inc filed a 13F-HR form disclosing ownership of 11,674 shares of NewMarket Corporation (US:NEU) valued at $7,482,450 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 21,535 shares of NewMarket Corporation. This represents a change in shares of -45.79% during the quarter. The current value of the position is $9,122,998 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 NEWMARKET COM 651587107 11,674 -9,861 -45.79 7,482 -49.45 0.0003
2026-02-11 2025-12-31 13F NEWMARKET COM 651587107 21,535 4,337 25.22 14,800 3.91 0.0036
2025-11-13 2025-09-30 13F NEWMARKET COM 651587107 17,198 4,971 40.66 14,244 68.62 0.0036
2025-08-12 2025-06-30 13F NEWMARKET COM 651587107 12,227 -439 -3.47 8,447 17.74 0.0022
2025-05-13 2025-03-31 13F NEWMARKET COM 651587107 12,666 2,250 21.60 7,175 30.37 0.0021
2025-02-12 2024-12-31 13F NEWMARKET COM 651587107 10,416 5,577 115.25 5,503 115.80 0.0015
2024-11-27 2024-09-30 13F/A-1 NEWMARKET COM 651587107 4,839 1,263 35.32 2,550 38.36 0.0007
2024-11-12 2024-09-30 13F NEWMARKET COM 651587107 4,839 1,263 2,550 0.0001
2024-08-14 2024-06-30 13F NEWMARKET COM 651587107 3,576 -5,140 -58.97 1,844 -66.68 0.0006
2024-05-13 2024-03-31 13F NEWMARKET COM 651587107 8,716 5,648 184.09 5,531 230.41 0.0018
2024-02-09 2023-12-31 13F NEWMARKET COM 651587107 3,068 301 10.88 1,675 32.96 0.0008
2023-11-13 2023-09-30 13F NEWMARKET COM 651587107 2,767 45 1.65 1,259 15.08 0.0006
2023-08-11 2023-06-30 13F NEWMARKET COM 651587107 2,722 2,722 1,095 0.0005
2022-05-13 2022-03-31 13F NEWMARKET COM 651587107 0 -1,921 -100.00 0 -100.00
2022-02-11 2021-12-31 13F NEWMARKET COM 651587107 1,921 -141 -6.84 658 -5.87 0.0002
2021-11-12 2021-09-30 13F NEWMARKET COM 651587107 2,062 -424 -17.06 699 -12.62 0.0003
2021-08-13 2021-06-30 13F NEWMARKET COM 651587107 2,486 268 12.08 800 -5.10 0.0003
2021-05-13 2021-03-31 13F NEWMARKET COM 651587107 2,218 -324 -12.75 843 -16.78 0.0003
2021-02-10 2020-12-31 13F NEWMARKET COM 651587107 2,542 -488 -16.11 1,013 -2.41 0.0004
2020-11-12 2020-09-30 13F NEWMARKET COM 651587107 3,030 -3,141 -50.90 1,038 -60.64 0.0005
2020-08-13 2020-06-30 13F NEWMARKET COM 651587107 6,171 -588 -8.70 2,637 1.89 0.0014
2020-05-13 2020-03-31 13F NEWMARKET COM 651587107 6,759 1,159 20.70 2,588 -5.03 0.0017
2020-03-11 2019-12-31 13F/A-1 NEWMARKET COM 651587107 5,600 2,605 86.98 2,725 92.72 0.0014
2020-02-12 2019-12-31 13F NEWMARKET COM 651587107 5,600 2,605 2,725 344.2048
2019-11-14 2019-09-30 13F NEWMARKET COM 651587107 2,995 -1,285 -30.02 1,414 -17.60 0.0008
2019-08-14 2019-06-30 13F NEWMARKET COM 651587107 4,280 1,931 82.21 1,716 68.57 0.0009
2019-05-15 2019-03-31 13F/A-1 NEWMARKET COM 651587107 2,349 965 69.73 1,018 78.60 0.0005
2019-05-14 2019-03-31 13F NEWMARKET COM 651587107 2,349 965 1,018
2019-02-12 2018-12-31 13F NEWMARKET COM 651587107 1,384 202 17.09 570 19.00 0.0003
2018-11-13 2018-09-30 13F NEWMARKET COM 651587107 1,182 459 63.49 479 64.04 0.0002
2018-08-14 2018-06-30 13F NEWMARKET COM 651587107 723 84 13.15 292 13.62 0.0001
2018-05-10 2018-03-31 13F NEWMARKET COM 651587107 639 -42 -6.17 257 -5.17 0.0001
2018-02-14 2017-12-31 13F NEWMARKET COM 651587107 681 -29 -4.08 271 -10.26 0.0001
2017-11-13 2017-09-30 13F NEWMARKET COM 651587107 710 710 302 0.0001
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.