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MARTINGALE ASSET MANAGEMENT L P

Position in NEU — Newmarket Corp

CIK 936944 BOSTON, MA

Position in NEU

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$2,474,067
-$1,227,515 QoQ
Shares Held
3,860
-28.3% QoQ
Ownership
0.042%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in NEU Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Mar 31, 2026

MARTINGALE ASSET MANAGEMENT L P holds $8,583,048 across 7 Specialty Chemicals names. NEU ranks #2 (28.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 NEU
Newmarket Corp
This page
3,860 $2,474,067

All Filings in NEU

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,474,067 3,860
2025-12-31 $3,701,582 5,386
2025-09-30 $9,885,514 11,936
2025-06-30 $13,466,242 19,492
2025-03-31 $11,551,614 20,393
2024-12-31 $11,492,668 21,752
2024-09-30 $12,493,685 22,638
2024-06-30 $14,059,592 27,270
2024-03-31 $17,702,089 27,894
2023-12-31 $15,650,583 28,673
2023-09-30 $13,692,608 30,091
2023-06-30 $12,222,035 30,394
2023-03-31 $11,465,481 31,414
2022-12-31 $10,700,939 34,396
2022-09-30 $10,714,662 35,617
2022-06-30 $10,761,425 35,757
2022-03-31 $12,283,297 37,867
2021-12-31 $13,058,317 38,102
2021-09-30 $12,010,751 35,454
2021-06-30 $12,719,497 39,504
2021-03-31 $14,397,419 37,872
2020-12-31 $14,040,120 35,251
2020-09-30 $10,905,630 31,858
2020-06-30 $12,686,004 31,677
2020-03-31 $12,280,938 32,076