WMS — ADVANCED DRAINAGE SYSTEMS, INC.Today's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
7
all time
Members · 12m
0
0 buys · 0 sells · by trade date
Latest filing
08-05
2026-08-05
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
2
13F holders
475
all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 7Institutional 475

Congress · disclosure timeline

By trade date · 24 months · 3 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

3 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M.

Members active in WMS

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).

No member disclosed WMS in the trailing 12 months.

Congressional disclosures

Newest filed firstAll 7 rows ↗
Latest congressional filings mentioning WMS
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-08-05Tommy Tuberville R–ALSELL JT (jointly owned)Traded 2024-05-07 LATE·820d$1K–$15Kamendment pending
2025-08-13Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 07-16 +28d$1K–$15K
2025-08-13Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 06-17 LATE·57d$1K–$15K
2025-02-13Robert P. Bresnahan, Jr. R–PA-8SELL JT (jointly owned)Traded 01-13 +31d$1K–$15K
2023-11-16Tommy Tuberville R–ALBUY JT (jointly owned)Traded 10-17 +30d$1K–$15K
2016-03-11Suzan K. DelBene D–WA-1SELL JT (jointly owned)Traded 02-02 +38d$15K–$50K
2015-04-16Suzan K. DelBene D–WA-1BUY JT (jointly owned)Traded 03-06 +41d$15K–$50K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

Top institutional holders of WMS for quarter 2026-03-31, 1–25 of 475 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$1.0B1
derived ·§ EDGAR ↗
2VANGUARD PORTFOLIO MANAGEMENT LLC$496M1
derived ·§ EDGAR ↗
3VANGUARD CAPITAL MANAGEMENT LLC$469M1
derived ·§ EDGAR ↗
4STATE STREET CORP$341M1
derived ·§ EDGAR ↗
5UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$336M1
derived ·§ EDGAR ↗
6Pictet Asset Management Holding SA$302M1
derived ·§ EDGAR ↗
7FIRST TRUST ADVISORS LP$280M1
derived ·§ EDGAR ↗
8AMERICAN CENTURY COMPANIES INC$227M1
derived ·§ EDGAR ↗
9MORGAN STANLEY$183M1
derived ·§ EDGAR ↗
10Amundi$177M1
derived ·§ EDGAR ↗
11DIMENSIONAL FUND ADVISORS LP$163M1
derived ·§ EDGAR ↗
12WELLINGTON MANAGEMENT GROUP LLP$146M1
derived ·§ EDGAR ↗
13Invesco Ltd.$135M1
derived ·§ EDGAR ↗
14Impactive Capital LP$117M1
derived ·§ EDGAR ↗
15CHARLES SCHWAB INVESTMENT MANAGEMENT INC$96.4M1
derived ·§ EDGAR ↗
16WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC$89.9M1
derived ·§ EDGAR ↗
17Capital International Investors$87.6M1
derived ·§ EDGAR ↗
18Mirova US LLC$86.2M1
derived ·§ EDGAR ↗
19Janus Henderson Group Ltd.$81.3M1
derived ·§ EDGAR ↗
20NORTHERN TRUST CORP$80.8M1
derived ·§ EDGAR ↗
21MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$80.3M1
derived ·§ EDGAR ↗
22WESTWOOD HOLDINGS GROUP INC$75.9M1
derived ·§ EDGAR ↗
23ADAGE CAPITAL PARTNERS GP, L.L.C.$75.4M1
derived ·§ EDGAR ↗
24Qube Research & Technologies Ltd$74.9M1
derived ·§ EDGAR ↗
25Triodos Investment Management BV$73.6M1
derived ·§ EDGAR ↗
Show all 475 holders
Truncated by Public Filings. All 418 13F filers reporting this share class are listed. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · WMS

Congress · last 90 days

Buyers
0 — —
Sellers
1 Tommy Tuberville R–AL $1K–$15K

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Trimming
0 — $0 held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · ADVANCED DRAIN SYS INC DEL

Merged timeline of congressional filings and notable-manager moves on WMS
DateWhoChangeSize
2026-08-05Tommy Tuberville CongressSELL$1K–$15K
2026-05-15Gotham Asset Management 13FADD+54,936 sh
2026-05-15Bridgewater Associates 13FADD+12,363 sh

3 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)no rows
Congress net ($ bound)$0
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.