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$NEU
$873.27 -$2.15 (0.25%) Close

Ownership

13F as of Q2 2026 · 9.2M shares outstanding

Who owns NEU?

By type of holder
Institutions 65.1% Insiders 34.9% Everyone else 0.0%
Concentration Top 10 holders own 59.8%
Gottwald Thomas E 16.6% · Bruce C. Gottwald 10.3%
Institutional ownership
65.1%
+1.9 pts vs last qtr
Institutional holders
419
+35 vs last qtr
Net shares bought
+173.9K
by institutions in Q2 2026
New / sold out
89 / 54
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Aqr Capital Management LLC +151.7K
  • Gotham Asset Management, LLC +93.2K

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Biggest sellers in Q2 2026
  • Millennium Management LLC −54.3K
  • Caisse de depot et placement du Quebec −42.3K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for NewMarket Corporation in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2010–FY2025
−35.9%
−4.83% a year
Each share's claim on the business
+56.1%
grew without buying or selling a share
Spent on buybacks vs paid in stock
$969M vs $6.12M
over 10 fiscal years
Diluted shares, split-adjusted
9.1M12.0M14.8M2010: 14.7M shares'102011: 13.7M shares'112012: 13.4M shares'122013: 13.3M shares'132020: 11.0M shares'202021: 10.8M shares'212022: 10.0M shares'222023: 9.6M shares'232024: 9.6M shares'242025: 9.4M shares'25
Buybacks Stock-based comp
$0$103.7M$207.5M2010 buybacks: $121.5M2010 stock comp: $2.8M'102011 buybacks: $98.1M2011 stock comp: $2.9M'112012 buybacks: $02012 stock comp: $429.0K'122013 buybacks: $92.2M2013 stock comp: $0'132020 buybacks: $101.4M2020 stock comp: $0'202021 buybacks: $196.2M2021 stock comp: $0'212022 buybacks: $207.5M2022 stock comp: $0'222023 buybacks: $42.9M2023 stock comp: $0'232024 buybacks: $31.9M2024 stock comp: $0'242025 buybacks: $77.2M2025 stock comp: $0'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years79% 3–5 years5% 1–3 years5% Under 1 year11%
Quarterly turnover
11.4%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting NEU on Form 13F
B
BlackRock, Inc.
Shares
703.1K
% of company
7.65%
Change vs last qtr
−13.6K (−1.9%)
Held since
≤2021
LO
London Co Of Virginia
Shares
488.5K
% of company
5.31%
Change vs last qtr
+27.5K (+6.0%)
Held since
≤2021

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Institutional Funds

Mutual funds and ETFs reporting NEU on Form N-PORT; together they hold 33.2% of the company
IC
iShares Core S&P Mid-Cap ETF
iShares Trust
Position value
$207M
% of company
2.84%
% of the fund
0.17%
As of
June 30, 2026
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$196M
% of company
2.70%
% of the fund
0.01%
As of
June 30, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
GT
Gottwald Thomas E
Insider
Shares
1.5M
% of company
16.63%
Change vs last qtr
—
Held since
—
BC
Bruce C. Gottwald
5%+ holder13D · 10.1%
Shares
948.7K
% of company
10.32%
Change vs last qtr
—
Held since
—

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