Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
445 institutional managers reported holding RELX for the quarter ended Mar 31, 2026. Together they hold about 5% of shares outstanding; the top 10 hold 2%. 66 opened new positions; 111 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Capital International Investors | 8.73M | 0.48% | $289.5M | trimmed -18.1% | 2017 Q4 |
| Morgan Stanley | 6.30M | 0.34% | $208.9M | unchanged | 2015 Q3 |
| Arrowstreet Capital | 4.25M | 0.23% | $141.0M | added +185.7% | 2016 Q1 |
| Bank OF America CORP /DE/ | 4.18M | 0.23% | $138.6M | added +14.3% | 2015 Q3 |
| Goldman Sachs | 3.75M | 0.20% | $124.3M | unchanged | 2015 Q3 |
| FMR (Fidelity) | 3.46M | 0.19% | $114.8M | trimmed -2% | 2018 Q3 |
| Dimensional Fund Advisors | 3.30M | 0.18% | $109.3M | trimmed -5.9% | 2015 Q3 |
| Lazard Asset Management LLC | 3.04M | 0.17% | $100.8M | added +12.1% | 2015 Q3 |
| Northern Trust | 3.03M | 0.17% | $100.4M | added +15.6% | 2015 Q3 |
| BlackRock | 2.41M | 0.13% | $79.9M | added +9.1% | 2018 Q1 |
| Causeway Capital Management LLC | 2.31M | 0.13% | $76.5M | added +93.9% | 2019 Q1 |
| Raymond James Financial INC | 2.17M | 0.12% | $72.0M | added +122.1% | 2015 Q3 |
| Aviso Financial INC. | 1.80M | 0.10% | $59.6M | added +9606.8% | 2024 Q2 |
| Royal Bank OF Canada | 1.74M | 0.10% | $57.6M | added +12.1% | 2015 Q3 |
| Envestnet Asset Management INC | 1.62M | 0.09% | $53.8M | added +18% | 2015 Q3 |
| Natixis Advisors, LLC | 1.41M | 0.08% | $46.6M | added +45.3% | 2015 Q3 |
| Wells Fargo & COMPANY/MN | 1.37M | 0.07% | $45.5M | added +29% | 2015 Q3 |
| Two Sigma | 1.32M | 0.07% | $43.9M | added +108.4% | 2022 Q2 |
| Millennium Management | 1.28M | 0.07% | $42.3M | added +5.7% | 2021 Q3 |
| 1832 Asset Management L.p. | 1.25M | 0.07% | $41.6M | added +1.6% | 2017 Q3 |
| Jones Financial Companies Lllp | 1.20M | 0.07% | $39.7M | added +4636.5% | 2023 Q3 |
| Ameriprise Financial INC | 1.18M | 0.06% | $39.0M | trimmed -19.2% | 2015 Q2 |
| AllianceBernstein | 1.05M | 0.06% | $34.7M | trimmed -7.5% | 2018 Q4 |
| Renaissance Technologies | 988.3k | 0.05% | $32.8M | trimmed -38.9% | 2015 Q3 |
| Invesco | 867.4k | 0.05% | $28.8M | added +23.8% | 2015 Q3 |
| First Eagle Investment Management | 802.1k | 0.04% | $26.6M | opened | 2026 Q1 |
| American Century Companies INC | 699.0k | 0.04% | $23.2M | added +23.8% | 2019 Q4 |
| Bank OF Montreal /CAN/ | 586.6k | 0.03% | $19.5M | added +515.2% | 2015 Q3 |
| SEI Investments CO | 528.9k | 0.03% | $17.5M | added +25.3% | 2015 Q4 |
| Rockefeller Capital Management L.p. | 491.2k | 0.03% | $16.3M | added +225.6% | 2018 Q4 |
| Voloridge Investment Management | 460.1k | 0.03% | $15.3M | trimmed -58% | 2024 Q4 |
| Pathstone Holdings, LLC | 446.9k | 0.02% | $14.8M | added +58.7% | 2023 Q3 |
| Captrust Financial Advisors | 382.9k | 0.02% | $12.7M | trimmed -76.6% | 2019 Q4 |
| TD Waterhouse Canada INC. | 373.3k | 0.02% | $12.4M | added +92762.7% | 2023 Q4 |
| Quantinno Capital Management LP | 358.2k | 0.02% | $11.9M | added +18.9% | 2022 Q4 |
| UBS | 318.6k | 0.02% | $10.6M | added +132.2% | 2015 Q3 |
| Marshall Wace | 318.2k | 0.02% | $10.6M | added +75.1% | 2025 Q3 |
| Charles Schwab Investment Management | 307.9k | 0.02% | $10.2M | added +31.5% | 2022 Q4 |
| O'shaughnessy Asset Management, LLC | 299.8k | 0.02% | $9.9M | trimmed -20.6% | 2019 Q2 |
| SCS Capital Management LLC | 296.1k | 0.02% | $9.8M | added +22.9% | 2025 Q1 |
| Janney Montgomery Scott LLC | 292.8k | 0.02% | $9.7M | added +9.3% | 2017 Q3 |
| Manufacturers Life Insurance Company, THE | 283.6k | 0.01% | $9.4M | opened | 2026 Q1 |
| BI Asset Management Fondsmaeglerselskab A/S | 278.5k | 0.01% | $9.2M | added +58.9% | 2025 Q4 |
| Citadel Advisors | 275.1k | 0.01% | $9.1M | trimmed -31.6% | 2020 Q4 |
| MFS Investment Management | 271.5k | 0.01% | $9.0M | added +24.9% | 2024 Q4 |
| Northwest & Ethical Investments L.p. | 263.6k | 0.01% | $8.7M | trimmed -13% | 2018 Q4 |
| Neuberger Berman Group LLC | 257.9k | 0.01% | $8.6M | added +1.2% | 2015 Q3 |
| River Road Asset Management, LLC | 252.8k | 0.01% | $8.4M | opened | 2026 Q1 |
| Creative Planning | 246.5k | 0.01% | $8.2M | added +19.7% | 2020 Q4 |
| Reynders McVeigh Capital Management, LLC | 246.3k | 0.01% | $8.2M | trimmed -52.4% | 2024 Q1 |
Largest 50 of 445 shown; the full ranked, searchable register is at boothcheck.com/holders/RELX. 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.