Among active 13F managers last quarter, 6 opened and 2 added, while 6 reduced; the largest holder to move was Balyasny Asset Management L.P. (new position). Over the last 180 days, 1 insider bought and none sold, a net +$4.2M in open-market trades.
The legs disagree, or only one of them leans.
34 tracked 13F filers disclose a position in RLYB as of the latest SEC 13F filings, a combined $45.4M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 795K | $12.7M | ▲+0.1% Added · +1K sh | Q2 2026 | |
| 2 | Viking Global Investors LP | 524K | $8.4M | —Held | Q2 2026 | |
| 3 | TPG GP A, LLC | 379K | $6.1M | —Held | Q2 2026 | |
| 4 | Balyasny Asset Management L.P. | 377K | $3.4M | ▲New +377K sh | Q1 2026 | |
| 5 | Nantahala Capital Management, LLC | 188K | $3.0M | ▼−37% Reduced · −112K sh | Q2 2026 | |
| 6 | Vanguard Capital Management LLC | 172K | $2.8M | ▲+54% Added · +60K sh | Q2 2026 | |
| 7 | Renaissance Technologies LLC | 157K | $1.4M | ▼−81% Reduced · −679K sh | Q1 2026 | |
| 8 | Almitas Capital LLC | 121K | $1.9M | ▼−37% Reduced · −71K sh | Q2 2026 | |
| 9 | Rangeley Capital, LLC | 105K | $1.7M | ▲+248% Added · +75K sh | Q2 2026 | |
| 10 | Citadel Advisors LLC | 72K | $1.2M | ▲+263% Added · +52K sh | Q2 2026 | |
| 11 | Mariner, LLC | 51K | $454K | ▼−88% Reduced · −354K sh | Q1 2026 | |
| 12 | Geode Capital Management, LLC | 32K | $513K | ▼−9.5% Reduced · −3K sh | Q2 2026 | |
| 13 | BlackRock, Inc. | 30K | $485K | ▲+73% Added · +13K sh | Q2 2026 | |
| 14 | GTS Securities LLC | 22K | $197K | ▲New +22K sh | Q1 2026 | |
| 15 | ADAR1 Capital Management, LLC | 21K | $184K | ▲New +21K sh | Q1 2026 | |
| 16 | Vanguard Fiduciary Trust Co | 17K | $269K | ▲+24% Added · +3K sh | Q2 2026 | |
| 17 | State Street Corp | 13K | $208K | ▲New +13K sh | Q2 2026 | |
| 18 | Quadrature Capital Ltd | 13K | $208K | ▲New +13K sh | Q2 2026 | |
| 19 | Dimensional Fund Advisors LP | 11K | $101K | ▲New +11K sh | Q1 2026 | |
| 20 | XTX Topco Ltd | 11K | $101K | ▼−88% Reduced · −86K sh | Q1 2026 | |
| 21 | UBS Group AG | 8K | $71K | ▲+73% Added · +3K sh | Q1 2026 | |
| 22 | JPMorgan Chase & Co | 2K | $20K | ▲30× Added · +2K sh | Q1 2026 | |
| 23 | Vanguard Global Advisers, LLC | 1K | $23K | —Held | Q2 2026 | |
| 24 | Tower Research Capital LLC (TRC) | 907 | $8K | ▼−80% Reduced · −4K sh | Q1 2026 | |
| 25 | Hartford Financial Management Inc. | 812 | $13K | —Held | Q2 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, 6 funds opened a new position in RLYB and 2 added to an existing one, while 6 reduced. 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 | Their position there |
|---|---|---|
| Visa Inc-Class A SharesV | 13 funds | $2.9B |
| JPMorgan Chase & CoJPM | 13 funds | $2.1B |
| Eli Lilly & CoLLY | 13 funds | $1.4B |
| Boeing CoBA | 13 funds | $1.3B |
| Unitedhealth Group IncUNH | 13 funds | $963.2M |
| Qualcomm IncQCOM | 13 funds | $750.4M |
| Union Pacific CorpUNP | 13 funds | $739.2M |
| Cme Group IncCME | 13 funds | $662.0M |
| Vertex Pharmaceuticals IncVRTX | 13 funds | $504.5M |
| Newmont CorpNEM | 13 funds | $430.8M |
| Bristol-Myers Squibb CoBMY | 13 funds | $168.4M |
| Amazon.com IncAMZN | 12 funds | $4.8B |
Ranked by how many of RLYB's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in RLYB.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 19, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) 2 lots, same day | 10K | $143K |
| May 18, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) | 6K | $84K |
| May 15, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) 2 lots, same day | 300 | $4K |
| May 13, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) 2 lots, same day | 79K | $1.1M |
| May 12, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) | 800 | $11K |
| May 11, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) 3 lots, same day | 50K | $700K |
| May 5, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) | 35K | $491K |
| May 4, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy (P) 2 lots, same day | 121K | $1.7M |
| Feb 23, 2026 | Lieber Jonathan I | Chief Financial Officer | Sell (S) | 789 | $4K |
| Mar 14, 2023 | Lieber Jonathan I | See Remarks | Buy (P) | 5K | $26K |
| Mar 7, 2023 | Schwab Andrew J. | 10% Owner | Sell (S) | 100K | $820K |
| Mar 7, 2023 | Parmar Kush | Director | Sell (S) | 100K | $820K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 8 | 12 | – |
Insiders Form 4 open-market | 1 | 0 | +$4.2M |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for RLYB
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/RLYB/capital-change-brief"
Use Arkolith's capital_change_brief for RLYB. 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 RLYB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.