13FPulse
WM

WMS ADVANCED DRAINAGE SYSTEMS IN

2026Q2 · CUSIP 00790R104 · Sector: Other

Exiting + falling

Funds leaving and price falling — historically weak for the next six months

Funds that own it
535
Institutions that reported holding it to the SEC
Net decrease in holders
37
Last quarter 572 → now 535
How unusual is that
Bottom 20%
Stronger than only 3% of US stocks
What the filings say, in one paragraph

535 funds held WMS at the end of 2026Q2, down 37 from the quarter before. Buying is stronger than only 3.4% of US stocks, and the price fell over the same quarter — funds leaving and price weakness at the same time. On the business itself, revenue over the last 12 months was $3.2B(YoY +10.4%), the P/E is 22.9x, return on equity is 25.2%. WMS has had 17 buying rushes in its history, and the price moved +9.4% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Other sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2014Q4: holders=93 2015Q1: holders=97 2015Q2: holders=102 2015Q3: holders=94 2015Q4: holders=88 2016Q1: holders=97 2016Q2: holders=102 2016Q3: holders=98 2016Q4: holders=102 2017Q1: holders=107 2017Q2: holders=98 2017Q3: holders=98 2017Q4: holders=105 2018Q1: holders=119 2018Q2: holders=117 2018Q3: holders=140 2018Q4: holders=141 2019Q1: holders=133 2019Q2: holders=132 2019Q3: holders=150 2019Q4: holders=160 2020Q1: holders=164 2020Q2: holders=177 2020Q3: holders=208 2020Q4: holders=231 2021Q1: holders=262 2021Q2: holders=274 2021Q3: holders=289 2021Q4: holders=310 2022Q1: holders=312 2022Q2: holders=327 2022Q3: holders=380 2022Q4: holders=366 2023Q1: holders=346 2023Q2: holders=379 2023Q3: holders=411 2023Q4: holders=424 2024Q1: holders=488 2024Q2: holders=499 2024Q3: holders=483 2024Q4: holders=464 2025Q1: holders=459 2025Q2: holders=480 2025Q3: holders=495 2025Q4: holders=541 2026Q1: holders=572 2026Q2: holders=535 -64 -32 +0 +32 +64 79340601 14Q416Q117Q218Q319Q421Q122Q223Q324Q426Q126Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 17 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q1 Top 10% +12.7%
2025Q4 Top 20% -17.7% -20.0%
2025Q2 Top 20% -0.1% +2.4%
2024Q1 Top 5% -10.4% -12.7%
2023Q3 Top 5% +12.5% +35.5%
2023Q2 Top 10% -11.5% -6.7%
2022Q3 Top 1% in the market -3.9% +7.5%
2022Q2 Top 10% -10.0% -38.0%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
238
Change in large funds
+2
Total value they hold
$11.1B
Funds buying for the first time
58
Funds that sold out entirely
95
Price change that quarter
-1.8%
Funds holding puts (bearish)
6
Funds holding calls (bullish)
5

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
22.9
EPS (TTM)
$5.79
EPS YoY
+4.5%
Revenue (TTM)
$3.2B
Revenue YoY
+10.4%
Net margin
14.0%
ROE
25.2%
Debt ratio
58.1%
FCF (TTM)
$550M
Dividend (TTM)
$0.74
Quarterly Revenue & EPS
2021-09-30: EPS 0.88 2021-12-31: EPS 0.86 2022-03-31: EPS 0.54 2022-06-30: EPS 2.22 2022-09-30: EPS 1.80 2022-12-31: EPS 0.99 2023-03-31: EPS 1.07 2023-06-30: EPS 2.18 2023-09-30: EPS 1.71 2023-12-31: EPS 1.34 2024-03-31: EPS 1.22 2024-06-30: EPS 2.06 2024-09-30: EPS 1.67 2024-12-31: EPS 1.04 2025-03-31: EPS 0.99 2025-06-30: EPS 1.84 2025-09-30: EPS 1.99 2025-12-31: EPS 1.19 2026-03-31: EPS 0.42 2026-06-30: EPS 2.19 0B 0.5B 1.0B $B 0.00 1.22 2.44 201720182019202020212022202320242025202606/26 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
4Y median 23 13 24 35 20222023202420252026

P/E = close around day 47 after quarter-end ÷ TTM EPS then; this is a consistent valuation date, not the company’s actual filing date; loss quarters hidden

Quarterly free cash flow
-48M87M222M 20162017201820192020202120222023202420252026
Latest quarter $-13M (2026-03-31)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-06-30 · SEC filings (XBRL)

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2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.