• $3.3B
    Market Cap
  • 18.70%
    1-Year Change
  • Specialty Chemicals
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
15.39%
3.2M
+70,803 (+2.20%)
Dec 31, 2024
BLACKROCK INC.
15.15%
3.2M
-14,286 (-0.45%)
Jun 30, 2024
BLACKROCK, INC.
14.90%
3.1M
-103,871 (-3.34%)
Mar 31, 2026
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
7.31%
1.5M
+379,657 (+24.88%)
Mar 31, 2026
VANGUARD GROUP INC
7.31%
1.5M
+20,958 (+1.37%)
Dec 31, 2025
STATE STREET CORP
5.00%
1.0M
-23,645 (-2.27%)
Mar 31, 2026
N/A
4.08%
851,642
+851,642 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions254.2M (74.47%)
  • Mutual Funds85.6M (25.07%)
  • Insiders1.6M (0.46%)
  • Other0 (0.00%)

Insider Transactions

  • 0.46% (1.6M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $13.0M
    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
Award
May 13, 2026
$0.00
8,435
$0.00
102,819
Hawkins Patrick H.
CEO AND PRESIDENT
Award
May 13, 2026
$0.00
16,934
$0.00
321,726
Lange Douglas A.
VP - WATER TREATMENT GROUP
Award
May 13, 2026
$0.00
1,994
$0.00
27,147
Jones Gregory Alan
VP of Food and Health Sciences
Award
May 13, 2026
$0.00
1,970
$0.00
10,144
Rozeboom Shirley A.
VP HEALTH AND NUTRITION
Award
May 13, 2026
$0.00
1,906
$0.00
34,088
Mangine David J.
VP-INDUSTRIAL SOLUTIONS GROUP
Award
May 13, 2026
$0.00
1,906
$0.00
27,763
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
Lange Douglas A.
VP - WATER TREATMENT GROUP
In Kind
Mar 30, 2026
$584,495.10
3,855
$151.62
25,153
Hawkins Patrick H.
CEO AND PRESIDENT
In Kind
Mar 30, 2026
$1.7M
10,950
$151.62
304,792
Rozeboom Shirley A.
VP HEALTH AND NUTRITION
In Kind
Mar 30, 2026
$547,044.96
3,608
$151.62
31,959
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
Rozeboom Shirley A.
VP HEALTH AND NUTRITION
In Kind
Mar 31, 2025
$333,859.84
3,152
$105.92
32,014
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
Hawkins Patrick H.
CEO AND PRESIDENT
In Kind
Mar 31, 2025
$1.0M
9,549
$105.92
294,416
Oldenkamp Jeffrey P.
EXECUTIVE VP AND CFO
In Kind
Mar 31, 2025
$445,817.28
4,209
$105.92
84,075