Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MLI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 11.7M | $1.44B | +0.5% | 9.700% | 0.02% |
| 2 | FIRST TRUST ADVISORS LP | 6.8M | $839.9M | +22.1% | 5.667% | 0.49% |
| 3 | FMR LLC | 5.5M | $677.8M | +205.3% | 4.573% | 0.03% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.0M | $613.6M | +0.3% | 4.140% | 0.01% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.0M | $610.8M | +0.9% | 4.121% | 0.03% |
| 6 | AQR CAPITAL MANAGEMENT LLC | 4.7M | $578.7M | -3.5% | 3.905% | 0.20% |
| 7 | STATE STREET CORP | 3.6M | $437.3M | +1.6% | 2.950% | 0.01% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 3.2M | $387.2M | +5.5% | 2.614% | 0.02% |
| 9 | Invesco Ltd. | 2.7M | $337.8M | +37.0% | 2.279% | 0.03% |
| 10 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2.0M | $244.2M | -5.9% | 1.647% | 0.73% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 1.9M | $239.1M | -10.9% | 1.613% | 0.04% |
| 12 | GOLDMAN SACHS GROUP INC | 1.9M | $232.7M | -16.2% | 1.570% | 0.02% |
| 13 | Pictet Asset Management Holding SA | 1.7M | $205.1M | -0.4% | 1.384% | 0.20% |
| 14 | GAMCO INVESTORS, INC. ET AL | 1.5M | $189.6M | -5.8% | 1.279% | 1.70% |
| 15 | NORGES BANK | 1.4M | $177.6M | — | 1.199% | 0.02% |
| 16 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.4M | $175.6M | -6.5% | 1.185% | 0.08% |
| 17 | MORGAN STANLEY | 1.2M | $153.2M | -2.8% | 1.034% | 0.01% |
| 18 | Vest Financial, LLC | 1.2M | $152.7M | +95.6% | 1.031% | 1.60% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $137.9M | -1.4% | 0.931% | 0.02% |
| 20 | Bank of New York Mellon Corp | 1.1M | $131.3M | +4.5% | 0.886% | 0.02% |
| 21 | GABELLI FUNDS LLC | 1.1M | $130.2M | -13.9% | 0.878% | 0.83% |
| 22 | NORTHERN TRUST CORP | 936K | $115.1M | +1.0% | 0.776% | 0.01% |
| 23 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 888K | $109.2M | +8.8% | 0.737% | 0.13% |
| 24 | Allspring Global Investments Holdings, LLC | 1.7M | $97.9M | -16.7% | 1.414% | 0.15% |
| 25 | Jupiter Topco LLC | 774K | $95.1M | — | 0.642% | 0.04% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MLI — a direct measure of their conviction.
Filings activity in MLI during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 742 | +2.8% | 87.31% | +2.59 pp | $11.87B | +14% |
| Q1 2026 | 722 | +6.5% | 84.72% | 34.46 pp | $10.38B | 5.4% |
| Q4 2025 | 678 | +10% | 119.18% | 47.35 pp | $10.97B | +17% |
| Q3 2025 | 616 | +9.2% | 166.53% | +1.96 pp | $9.35B | +29% |
| Q2 2025 | 564 | +7.8% | 164.57% | 6.78 pp | $7.24B | +0.3% |
| Q1 2025 | 523 | +0.6% | 171.35% | +50.80 pp | $7.22B | 5.9% |
| Q4 2024 | 520 | +10% | 120.55% | 50.57 pp | $7.67B | +6.4% |
| Q3 2024 | 471 | — | 171.12% | — | $7.21B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MLI stock.
Based on Q2 2026 13F filings, institutional ownership of Mueller Industries, Inc. stands at 87.3%, held across 742 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MLI, with approximately 11,694,093 shares worth $1.44B as of Q2 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MLI.
Our composite Smart Money Score for MLI is 48 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
87 institutions opened new positions in MLI during Q2 2026, while 77 fully exited. 502 added to existing positions and 126 trimmed.
MLI institutional ownership rose by 2.59 percentage points quarter-over-quarter, with a net change of +20 holders.
The top 10 institutions account for 51.9% of all reported 13F value in MLI, and the top 25 account for 71.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Mueller Industries, Inc. (MLI) Institutional Ownership