• $2.6B
    Market Cap
  • -28.01%
    1-Year Change
  • Specialty Chemicals
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
15.38%
3.2M
+70,803 (+2.20%)
Dec 31, 2024
BLACKROCK INC.
15.14%
3.2M
-14,286 (-0.45%)
Jun 30, 2024
BLACKROCK, INC.
15.14%
3.2M
+51,634 (+1.63%)
Jun 30, 2026
VANGUARD GROUP INC
7.31%
1.5M
+20,958 (+1.37%)
Dec 31, 2025
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
6.84%
1.4M
-98,043 (-6.87%)
Jun 30, 2026
STATE STREET CORP
5.09%
1.1M
+18,037 (+1.70%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
4.09%
854,478
+2,836 (+0.33%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions270.9M (73.63%)
  • Mutual Funds95.4M (25.94%)
  • Insiders1.6M (0.43%)
  • Other0 (0.00%)

Insider Transactions

  • 0.43% (1.6M)
    Current InsiderOwnership (%, shares)
  • 3
    Number of InsiderBuying (last 12 months)
  • $28.5M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Oldenkamp Jeffrey P.
EXECUTIVE VP AND CFO
Buy
Aug 27, 2026
$153,510.00
1,290
$119.00
104,223
Lange Douglas A.
VP - WATER TREATMENT GROUP
Buy
Aug 25, 2026
$108,065.78
910
$118.75
28,169
Hawkins Patrick H.
CEO AND PRESIDENT
Gift
Aug 07, 2026
$0.00
580
$0.00
321,257
Spethmann Jeffrey E
Award
Jul 29, 2026
$0.00
721
$0.00
6,639
Faulconbridge James A
Award
Jul 29, 2026
$0.00
721
$0.00
53,128
WRIGHT JEFFREY L
Award
Jul 29, 2026
$0.00
721
$0.00
42,916
Stauber Daniel J
Award
Jul 29, 2026
$0.00
721
$0.00
35,498
Schumacher Mary J.
Award
Jul 29, 2026
$0.00
721
$0.00
26,898
THOMPSON JAMES T
Award
Jul 29, 2026
$0.00
721
$0.00
38,916
Lange Douglas A.
VP - WATER TREATMENT GROUP
In Kind
Mar 30, 2026
$584,495.10
3,855
$151.62
25,153
Grahek Drew M.
VICE PRESIDENT OF OPERATIONS
In Kind
Mar 30, 2026
$578,885.16
3,818
$151.62
34,439
Mangine David J.
VP-INDUSTRIAL SOLUTIONS GROUP
In Kind
Mar 30, 2026
$529,608.66
3,493
$151.62
25,857
Oldenkamp Jeffrey P.
EXECUTIVE VP AND CFO
In Kind
Mar 30, 2026
$860,443.50
5,675
$151.62
94,383
Hawkins Patrick H.
CEO AND PRESIDENT
In Kind
Mar 30, 2026
$1.7M
10,950
$151.62
304,792
Hawkins Patrick H.
CEO AND PRESIDENT
Gift
Feb 23, 2026
$0.00
1,040
$0.00
315,477
Hawkins Patrick H.
CEO AND PRESIDENT
Gift
Feb 23, 2026
$0.00
260
$0.00
315,737
Faulconbridge James A
Buy
Feb 05, 2026
$194,925.00
1,500
$129.95
52,407
Faulconbridge James A
Buy
Feb 04, 2026
$193,935.00
1,500
$129.29
50,907
Hawkins Patrick H.
CEO AND PRESIDENT
Gift
Sep 04, 2025
$0.00
220
$0.00
316,444
Schumacher Mary J.
Award
Jul 30, 2025
$0.00
628
$0.00
26,177
Tang Yi
Award
Jul 30, 2025
$0.00
628
$0.00
7,891
WRIGHT JEFFREY L
Award
Jul 30, 2025
$0.00
628
$0.00
42,195
THOMPSON JAMES T
Award
Jul 30, 2025
$0.00
628
$0.00
38,195
Stauber Daniel J
Award
Jul 30, 2025
$0.00
628
$0.00
34,563
Spethmann Jeffrey E
Award
Jul 30, 2025
$0.00
628
$0.00
5,911
Faulconbridge James A
Award
Jul 30, 2025
$0.00
628
$0.00
49,407
Lange Douglas A.
VP - WATER TREATMENT GROUP
In Kind
Mar 31, 2025
$272,744.00
2,575
$105.92
25,239
Grahek Drew M.
VICE PRESIDENT OF OPERATIONS
In Kind
Mar 31, 2025
$312,569.92
2,951
$105.92
32,884
Erstad Richard G
VP, GENERAL COUNSEL & SEC
In Kind
Mar 31, 2025
$379,193.60
3,580
$105.92
60,306
Mangine David J.
VP - INDUSTRIAL GROUP
In Kind
Mar 31, 2025
$272,638.08
2,574
$105.92
25,551