Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
579 institutional managers reported holding LUMN for the quarter ended Mar 31, 2026. Together they hold about 70% of shares outstanding; the top 10 hold 43%. 81 opened new positions; 86 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 137.47M | 13.76% | $954.7M | trimmed -3.5% | ≤2013 |
| Vanguard Group | 111.91M | 11.20% | $777.2M | unchanged | ≤2013 |
| State Street | 46.01M | 4.61% | $319.6M | added +2.8% | ≤2013 |
| FMR (Fidelity) | 31.41M | 3.15% | $218.2M | added +19% | ≤2013 |
| Geode Capital | 22.87M | 2.29% | $158.8M | added +3.4% | ≤2013 |
| Goldman Sachs | 22.54M | 2.26% | $156.6M | added +34.7% | ≤2013 |
| Charles Schwab Investment Management | 17.18M | 1.72% | $119.3M | trimmed -6.6% | ≤2013 |
| D. E. Shaw | 15.03M | 1.50% | $104.4M | added +271.8% | 2017 Q2 |
| Dimensional Fund Advisors | 14.99M | 1.50% | $104.1M | added +1% | ≤2013 |
| First Trust Advisors LP | 12.77M | 1.28% | $88.7M | trimmed -8.4% | ≤2013 |
| Front Street Capital Management, INC. | 12.59M | 1.26% | $87.5M | added +3.9% | 2017 Q1 |
| Morgan Stanley | 11.89M | 1.19% | $82.6M | added +17.8% | ≤2013 |
| Barclays PLC | 11.67M | 1.17% | $81.0M | added +22% | 2022 Q1 |
| Northern Trust | 10.60M | 1.06% | $73.6M | trimmed -0.9% | ≤2013 |
| Renaissance Technologies | 9.72M | 0.97% | $67.5M | trimmed -3.2% | 2021 Q4 |
| Invesco | 9.16M | 0.92% | $63.6M | added +131.6% | ≤2013 |
| Hsbc Holdings PLC | 8.77M | 0.88% | $60.9M | trimmed -4.1% | ≤2013 |
| Allianz Asset Management GmbH | 8.49M | 0.85% | $59.0M | added +1.5% | ≤2013 |
| Arrowstreet Capital | 7.95M | 0.80% | $55.2M | added +8.3% | 2024 Q3 |
| UBS | 7.67M | 0.77% | $53.3M | trimmed -7.7% | ≤2013 |
| CapWealth Advisors, LLC | 7.01M | 0.70% | $48.7M | added +4.6% | 2016 Q4 |
| Curi Capital, LLC | 5.87M | 0.59% | $40.8M | added +74.5% | 2025 Q2 |
| Two Sigma | 5.84M | 0.58% | $40.6M | added +27.2% | 2023 Q1 |
| BNY Mellon | 5.60M | 0.56% | $38.9M | trimmed -7.5% | ≤2013 |
| Nuveen | 5.35M | 0.54% | $37.2M | trimmed -2.4% | ≤2013 |
| Vaughan Nelson Investment Management, L.p. | 5.30M | 0.53% | $36.8M | added +11.2% | 2025 Q3 |
| Jane Street | 5.15M | 0.52% | $35.8M | added +70.5% | 2015 Q2 |
| LM Asset Management INC. (focused) | 4.96M | 0.50% | $34.4M | added +32.6% | 2024 Q4 |
| Gendell Jeffrey L | 4.76M | 0.48% | $33.1M | unchanged | 2024 Q4 |
| Principal Financial Group INC | 4.61M | 0.46% | $32.0M | added +2.2% | ≤2013 |
| Millennium Management | 4.57M | 0.46% | $31.7M | trimmed -37.5% | 2017 Q4 |
| Connor, Clark & Lunn Investment Management LTD. | 4.22M | 0.42% | $29.3M | added +0.9% | 2022 Q2 |
| Public Sector Pension Investment Board | 3.73M | 0.37% | $25.9M | added +3% | ≤2013 |
| Bank OF America CORP /DE/ | 3.01M | 0.30% | $20.9M | added +28.9% | ≤2013 |
| Citigroup INC | 2.93M | 0.29% | $20.4M | trimmed -25.9% | ≤2013 |
| Federated Hermes, INC. | 2.88M | 0.29% | $20.0M | added +1.6% | ≤2013 |
| Penn Capital Management Company, LLC | 2.71M | 0.27% | $18.8M | added +13.9% | 2025 Q3 |
| Rhumbline Advisers | 2.61M | 0.26% | $18.1M | trimmed -1.2% | ≤2013 |
| Citadel Advisors | 2.52M | 0.25% | $17.5M | added +80.8% | ≤2013 |
| Legal & General Group PLC | 2.51M | 0.25% | $17.4M | trimmed -12.5% | ≤2013 |
| VAN DEN Berg Management I, INC | 2.43M | 0.24% | $16.9M | added +1.4% | 2021 Q1 |
| Tudor Investment | 2.42M | 0.24% | $16.8M | added +643.8% | 2024 Q4 |
| Healthcare OF Ontario Pension Plan Trust Fund | 2.22M | 0.22% | $15.4M | trimmed -3.4% | 2025 Q3 |
| Westerly Capital Management, LLC (focused) | 2.20M | 0.22% | $15.3M | added +175% | 2024 Q4 |
| Ameriprise Financial INC | 2.00M | 0.20% | $13.9M | trimmed -8.5% | ≤2013 |
| Swiss National Bank | 1.93M | 0.19% | $13.4M | unchanged | ≤2013 |
| NEW York State Common Retirement Fund | 1.92M | 0.19% | $13.3M | added +13.1% | ≤2013 |
| Brigade Capital Management, LP (focused) | 1.85M | 0.18% | $12.8M | unchanged | 2025 Q2 |
| Balyasny Asset Management | 1.68M | 0.17% | $11.7M | trimmed -22.6% | 2020 Q3 |
| Deutsche Bank AG\ | 1.67M | 0.17% | $11.6M | trimmed -1.8% | 2013 Q3 |
Largest 50 of 579 shown; the full ranked, searchable register is at boothcheck.com/holders/LUMN. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.