WMS
Advan Drainage S (WMS)
NYSE
$127.87-$0.010 (-0.008%)
Price as of Sep 11, 2026 7:30 PM EDT
  • $9.6B
    Market Cap
  • -9.15%
    1-Year Change
  • Building Products & Equipment
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK INC.
9.89%
7.6M
+263,443 (+3.47%)
Jun 30, 2024
BLACKROCK, INC.
9.75%
7.5M
+47,211 (+0.63%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
9.68%
7.4M
-520,336 (-7.01%)
Dec 31, 2024
VANGUARD GROUP INC
9.67%
7.4M
-70,393 (-0.95%)
Dec 31, 2025
IMPAX ASSET MANAGEMENT LTD
5.06%
3.9M
-423,114 (-10.91%)
Jun 30, 2018
N/A
4.83%
3.7M
+89,851 (+2.42%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
4.83%
3.7M
+89,851 (+2.42%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions1.3B (76.92%)
  • Mutual Funds373.2M (22.39%)
  • Insiders11.5M (0.69%)
  • Other0 (0.00%)

Insider Transactions

  • 0.69% (11.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 3
    Number of InsiderSelling (last 12 months)
  • $30.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
BARBOUR D. SCOTT
See Remarks
Gift
Aug 20, 2026
$0.00
2,000
$0.00
51,652
EVERSOLE ROBERT M
Award
Jul 16, 2026
$0.00
2,253
$0.00
4,639
FRATTO TANYA D
Award
Jul 16, 2026
$0.00
1,110
$0.00
30,552
Seetharam Anil
Award
Jul 16, 2026
$0.00
1,782
$0.00
16,240
COLEMAN MICHAEL B.
Award
Jul 16, 2026
$0.00
1,110
$0.00
12,587
CHAIBI ANESA
Award
Jul 16, 2026
$0.00
1,110
$0.00
8,698
Martz Bret
See Remarks
Other
Mar 17, 2026
$14,963.95
107
$139.85
1,951
BARBOUR D. SCOTT
See Remarks
Gift
Mar 13, 2026
$0.00
7,150
$0.00
53,141
BARBOUR D. SCOTT
See Remarks
Gift
Mar 13, 2026
$0.00
7,150
$0.00
109,955
BARBOUR D. SCOTT
See Remarks
Gift
Mar 04, 2026
$0.00
511
$0.00
0
BARBOUR D. SCOTT
See Remarks
Gift
Mar 04, 2026
$0.00
511
$0.00
511
BARBOUR D. SCOTT
See Remarks
Gift
Nov 25, 2025
$0.00
1,800
$0.00
41,067
BARBOUR D. SCOTT
See Remarks
Gift
Nov 25, 2025
$0.00
14,500
$0.00
11,867
BARBOUR D. SCOTT
See Remarks
Gift
Nov 25, 2025
$0.00
14,500
$0.00
83,991
BARBOUR D. SCOTT
See Remarks
Gift
Nov 25, 2025
$0.00
46,500
$0.00
37,491
BARBOUR D. SCOTT
See Remarks
Gift
Nov 25, 2025
$0.00
46,500
$0.00
46,500
MAKOWSKI TIM A
See Remarks
Sell
Nov 12, 2025
$716,208.00
4,800
$149.21
2,568
WAUN THOMAS J. SR.
EVP, International
Sell
Nov 12, 2025
$150,000.00
1,000
$150.00
14,970
MAKOWSKI TIM A
See Remarks
Sell
Nov 12, 2025
$15,068.33
101
$149.19
2,467
BARBOUR D. SCOTT
See Remarks
Exempt
Nov 12, 2025
$0.00
80,030
$0.00
0
BARBOUR D. SCOTT
See Remarks
Exempt
Nov 12, 2025
$2.1M
80,030
$25.75
122,897
BARBOUR D. SCOTT
See Remarks
Sell
Nov 12, 2025
$671,655.77
4,538
$148.01
118,359
BARBOUR D. SCOTT
See Remarks
Sell
Nov 12, 2025
$10.9M
73,462
$148.96
44,897
BARBOUR D. SCOTT
See Remarks
Sell
Nov 12, 2025
$305,829.85
2,030
$150.66
42,867
WAUN THOMAS J. SR.
EVP, International
Sell
Nov 11, 2025
$188,690.01
1,272
$148.30
797
EVERSOLE ROBERT M
Gift
Nov 10, 2025
$0.00
4,100
$0.00
2,386
EVERSOLE ROBERT M
Gift
Nov 10, 2025
$0.00
4,100
$0.00
60,645
CHAIBI ANESA
Award
Jul 17, 2025
$0.00
1,130
$0.00
7,588
KISSAM LUTHER C IV
Award
Jul 17, 2025
$0.00
1,130
$0.00
1,972
FISCHER ALEXANDER R
Award
Jul 17, 2025
$0.00
1,130
$0.00
16,454