270 tracked 13F filers disclose a position in RDN as of the latest SEC 13F filings, a combined $3.6B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $626.7M | 18.9M | ▼−2.0% Reduced · −395K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $309.2M | 9.3M | →First observed position No prior filed position | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $200.9M | 6.1M | →First observed position No prior filed position | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $196.8M | 5.9M | ▲+4.0% Added · +231K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $190.3M | 5.8M | ▲+0.8% Added · +45K sh | Q1 2026 | |
| 6 | DONALD SMITH & CO., INC. | $152.4M | 4.6M | ▲+53% Added · +1.6M sh | Q1 2026 | |
| 7 | AMERICAN CENTURY COMPANIES INC | $151.7M | 4.6M | ▲+9.2% Added · +387K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $113.0M | 3.4M | ▲+6.2% Added · +199K sh | Q1 2026 | |
| 9 | NORGES BANK | $77.4M | 2.1M | ▼−9.7% Reduced · −232K sh | Q4 2025 | |
| 10 | CITADEL ADVISORS LLC | $69.5M | 2.1M | ▼−30% Reduced · −889K sh | Q1 2026 | |
| 11 | FULLER & THALER ASSET MANAGEMENT, INC. | $68.8M | 2.1M | ▼−3.5% Reduced · −76K sh | Q1 2026 | |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $64.6M | 2.0M | ▼−67% Reduced · −4.0M sh | Q1 2026 | |
| 13 | BNP Paribas Asset Management Holding S.A. | $55.0M | 1.7M | ▲+6.6% Added · +102K sh | Q1 2026 | |
| 14 | TWO SIGMA INVESTMENTS, LP | $54.5M | 1.6M | ▲+96% Added · +809K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $54.3M | 1.6M | ▲+3.4% Added · +55K sh | Q1 2026 | |
| 16 | MORGAN STANLEY | $50.3M | 1.5M | ▼−7.8% Reduced · −128K sh | Q1 2026 | |
| 17 | Polar Capital Holdings Plc | $49.6M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 18 | Allianz Asset Management GmbH | $45.7M | 1.4M | ▼−5.6% Reduced · −82K sh | Q1 2026 | |
| 19 | CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | $44.5M | 1.3M | ▲+162% Added · +832K sh | Q1 2026 | |
| 20 | GOLDMAN SACHS GROUP INC | $39.7M | 1.2M | ▲+38% Added · +329K sh | Q1 2026 | |
| 21 | JPMORGAN CHASE & CO | $39.6M | 1.2M | ▲+9.7% Added · +105K sh | Q1 2026 | |
| 22 | River Road Asset Management, LLC | $37.3M | 1.1M | ▲+129% Added · +636K sh | Q1 2026 | |
| 23 | Bank of New York Mellon Corp | $37.2M | 1.1M | ▼−4.8% Reduced · −57K sh | Q1 2026 | |
| 24 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $35.0M | 1.1M | ▲+219% Added · +728K sh | Q1 2026 | |
| 25 | MILLENNIUM MANAGEMENT LLC | $30.3M | 915K | ▲+35% Added · +237K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 7 funds opened a new position in RDN and 32 added to an existing one, while 13 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 119 funds | $50.8B |
| ALPHABET INC-CL AGOOGL | 119 funds | $35.9B |
| AMAZON.COM INCAMZN | 118 funds | $37.5B |
| JPMORGAN CHASE & COJPM | 116 funds | $15.5B |
| ELI LILLY & COLLY | 116 funds | $14.0B |
| BANK OF AMERICA CORPBAC | 116 funds | $6.2B |
| META PLATFORMS INC-CLASS AMETA | 115 funds | $26.9B |
| MICRON TECHNOLOGY INCMU | 115 funds | $9.4B |
| MASTERCARD INC - AMA | 115 funds | $8.7B |
| CITIGROUP INCC | 115 funds | $5.4B |
| NVIDIA CORPNVDA | 113 funds | $70.3B |
| APPLE INCAAPL | 113 funds | $58.1B |
Ranked by how many of RDN's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 14, 2026 | Hoffman Edward J | Sr EVP, General Counsel | Sell (S) | 20K | $780K |
| Jun 3, 2026 | Conner Brad L. | Director | Sell (S) | 1K | $41K |
| Jun 2, 2026 | Weinbach Michael S | Chief Executive Officer- Elect | Buy (P) | 50K | $1.7M |
| Jun 1, 2026 | Weinbach Michael S | Chief Executive Officer- Elect | Buy (P) | 120K | $4.1M |
| May 29, 2026 | Leyden Margaret Anne | Director | Sell (S) | 2K | $72K |
| May 27, 2026 | CULANG HOWARD BERNARD | Director | Sell (S) | 4K | $130K |
| May 26, 2026 | CULANG HOWARD BERNARD | Director | Sell (S) | 5K | $181K |
| May 26, 2026 | Spiegel Noel Joseph | Director | Sell (S) | 5K | $175K |
| May 8, 2026 | Hoffman Edward J | Sr EVP, General Counsel | Sell (S) | 15K | $570K |
| Apr 29, 2026 | Hoffman Edward J | Sr EVP, General Counsel | Sell (S) | 15K | $555K |
| Apr 23, 2026 | Hoffman Edward J | Sr EVP, General Counsel | Sell (S) | 15K | $540K |
| Apr 17, 2026 | Hoffman Edward J | Sr EVP, General Counsel | Sell (S) | 13K | $455K |
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/RDN/capital-change-brief"
Use Arkolith's capital_change_brief for RDN. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RDN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.