Security record · archived quarter
WMS
Advanced Drainage Systems, Inc. · Basic Materials · Construction Materials
148Tracked holders
+5Δ holders
48.74MShares held
$6.68BReported value
+9New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +3.5% ·
share flow -1.4% ·
net new positions +2.7%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 141 | -4 | 49.88M | $7.82B | +3 | −7 |
| Q1 2026 | 148 | +5 | 48.74M | $6.68B | +9 | −5 |
| Q4 2025 | 143 | -1 | 53.99M | $7.81B | +2 | −2 |
| Q3 2025 | 20 | 0 | 26.48M | $3.67B | +1 | −2 |
| Q2 2025 | 18 | +4 | 22.87M | $2.63B | +4 | — |
| Q1 2025 | 11 | -4 | 7.76M | $843.49M | — | −4 |
| Q4 2024 | 15 | +1 | 8.50M | $982.41M | +1 | — |
| Q3 2024 | 13 | -3 | 6.15M | $967.18M | — | −3 |
| Q2 2024 | 16 | — | 6.67M | $1.07B | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 7.42M | +4.4% | $1.02B | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 3.42M | — | $469.49M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 2.49M | +0.8% | $341.39M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 21 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 22 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 23 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 25 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 26 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 27 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 28 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 29 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 30 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 31 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 32 | UBS AM, a distinct business unit of… | 2.45M | -4.1% | $335.99M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 33 | Pictet Asset Management Holding SA | 2.20M | +32.9% | $302.29M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 34 | Baillie Gifford ✦ | 2.05M | -8.8% | $280.75M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 35 | Baillie Gifford ✦ | 2.05M | -8.8% | $280.75M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 36 | Baillie Gifford ✦ | 2.05M | -8.8% | $280.75M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 37 | Baillie Gifford ✦ | 2.05M | -8.8% | $280.75M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 38 | First Trust Advisors Lp | 2.04M | -15.6% | $280.30M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 39 | American Century Companies Inc | 1.66M | +9.5% | $227.33M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 40 | Geode Capital Management ✦ (passive) | 1.34M | +5.8% | $184.46M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 41 | Geode Capital Management ✦ (passive) | 1.34M | +5.8% | $184.46M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 1.33M | -22.0% | $182.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | Amundi | 1.29M | +0.7% | $176.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Amundi | 1.29M | +0.7% | $176.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Amundi | 1.29M | +0.7% | $176.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Amundi | 1.29M | +0.7% | $176.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Amundi | 1.29M | +0.7% | $176.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Dimensional Fund Advisors Lp | 1.19M | +0.2% | $163.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Dimensional Fund Advisors Lp | 1.19M | +0.2% | $163.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Dimensional Fund Advisors Lp | 1.19M | +0.2% | $163.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Dimensional Fund Advisors Lp | 1.19M | +0.2% | $163.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Dimensional Fund Advisors Lp | 1.19M | +0.2% | $163.40M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Kayne Anderson Rudnick Investment… | 1.11M | -7.1% | $151.72M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 69 | Kayne Anderson Rudnick Investment… | 1.11M | -7.1% | $151.72M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 70 | Wellington Management ✦ | 1.06M | -15.9% | $145.80M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 71 | Wellington Management ✦ | 1.06M | -15.9% | $145.80M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 72 | Wellington Management ✦ | 1.06M | -15.9% | $145.80M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 73 | Wellington Management ✦ | 1.06M | -15.9% | $145.80M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 74 | Wellington Management ✦ | 1.06M | -15.9% | $145.80M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 75 | Wellington Management ✦ | 1.06M | -15.9% | $145.80M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 76 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Invesco Ltd. | 982.53K | -0.2% | $134.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | Charles Schwab Investment… | 702.65K | -2.1% | $96.35M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Capital International Investors | 639.02K | -31.8% | $87.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 92 | Janus Henderson Group Plc | 592.58K | -1.0% | $81.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Janus Henderson Group Plc | 592.58K | -1.0% | $81.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | Northern Trust Corp | 589.19K | +1.0% | $80.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | Northern Trust Corp | 589.19K | +1.0% | $80.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Northern Trust Corp | 589.19K | +1.0% | $80.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | Northern Trust Corp | 589.19K | +1.0% | $80.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Northern Trust Corp | 589.19K | +1.0% | $80.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Northern Trust Corp | 589.19K | +1.0% | $80.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 585.97K | +8.1% | $80.35M | 0.1% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $156.59M | was 0.0% |
| Tudor Investment Corp Et Al | $3.31M | was 0.0% |
| Allspring Global Investments… | $919,775 | was 0.0% |
| Simplex Trading, Llc | $307,908 | was 0.0% |
| Danske Bank A/S | $86,898 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 572 holders, 69.11M shares, $9.17B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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