RLYB (RLYB) Institutional Ownership Changes & 13F Activity
RLYB. Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Johnson & Johnson, 5Am Venture Management, Llc, Tpg Gp A, Llc, Pivotal Bioventure Partners Investment Advisor Llc, and Fmr Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Virtu Financial Llc | Buy | +27,132 | — | 27,132 | $19.00K | Q4 2025 | Feb 23, 2026 |
| Mercer Global Advisors Inc | Buy | +10,000 | — | 10,000 | $6.86K | Q4 2025 | Feb 18, 2026 |
| 5Am Venture Management, Llc | Buy | +3,630,724 | — | 3,630,724 | $2.49M | Q4 2025 | Feb 17, 2026 |
| Fmr Llc | Buy | +1,694,388 | — | 1,694,388 | $1.16M | Q4 2025 | Feb 17, 2026 |
| Almitas Capital Llc | Buy | +1,529,653 | — | 1,529,653 | $1.05M | Q4 2025 | Feb 17, 2026 |
| Citadel Advisors Llc | Buy | +253,842 | — | 253,842 | $174.16K | Q4 2025 | Feb 17, 2026 |
| Susquehanna International Group, Llp | Buy | +100,724 | — | 100,724 | $69.11K | Q4 2025 | Feb 17, 2026 |
| Xtx Topco Ltd | Buy | +97,313 | — | 97,313 | $66.77K | Q4 2025 | Feb 17, 2026 |
| Rangeley Capital, Llc | Buy | +40,000 | — | 40,000 | $27.44K | Q4 2025 | Feb 17, 2026 |
| Northern Trust Corp | Buy | +38,124 | — | 38,124 | $26.16K | Q4 2025 | Feb 17, 2026 |
| Two Sigma Investments, Lp | Buy | +37,000 | — | 37,000 | $25.39K | Q4 2025 | Feb 17, 2026 |
| Two Sigma Advisers, Lp | Buy | +19,300 | — | 19,300 | $13.24K | Q4 2025 | Feb 17, 2026 |
| Utah Retirement Systems | Buy | +13,240 | — | 13,240 | $9.08K | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +4,524 | — | 4,524 | $3.10K | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +251 | — | 251 | $172.00 | Q4 2025 | Feb 17, 2026 |
| Johnson & Johnson | Buy | +3,636,363 | — | 3,636,363 | $2.49M | Q4 2025 | Feb 13, 2026 |
| Tpg Gp A, Llc | Buy | +3,028,414 | — | 3,028,414 | $2.09M | Q4 2025 | Feb 13, 2026 |
| Pivotal Bioventure Partners Investment Advisor Llc | Buy | +2,404,644 | — | 2,404,644 | $1.65M | Q4 2025 | Feb 13, 2026 |
| Canaan Partners Xi Llc | Buy | +450,000 | — | 450,000 | $308.70K | Q4 2025 | Feb 13, 2026 |
| Mariner, Llc | Buy | +404,546 | — | 404,546 | $277.56K | Q4 2025 | Feb 13, 2026 |
| State Street Corp | Buy | +62,072 | — | 62,072 | $42.59K | Q4 2025 | Feb 13, 2026 |
| Prudential Financial Inc | Buy | +29,100 | — | 29,100 | $19.97K | Q4 2025 | Feb 13, 2026 |
| Onedigital Investment Advisors Llc | Buy | +20,000 | — | 20,000 | $13.72K | Q4 2025 | Feb 13, 2026 |
| Barclays Plc | Buy | +5,719 | — | 5,719 | $3.92K | Q4 2025 | Feb 13, 2026 |
| Morgan Stanley | Buy | +4,640 | — | 4,640 | $3.18K | Q4 2025 | Feb 13, 2026 |
| Citigroup Inc | Buy | +3,932 | — | 3,932 | $2.70K | Q4 2025 | Feb 13, 2026 |
| Wells Fargo & Company/Mn | Buy | +300 | — | 300 | $206.00 | Q4 2025 | Feb 13, 2026 |
| Blackrock, Inc. | Buy | +141,663 | — | 141,663 | $97.19K | Q4 2025 | Feb 12, 2026 |
| Renaissance Technologies LLC | Buy | +120,892 | +16.9% | 835,692 | $573.37K | Q4 2025 | Feb 12, 2026 |
| Hrt Financial Lp | Buy | +21,387 | — | 21,387 | $14.00K | Q4 2025 | Feb 12, 2026 |
Frequently asked questions about RLYB activity
Which institutional owners are buying RLYB?
Institutional owners buying RLYB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in RLYB activity?
"Buy" means an investor increased their reported position in RLYB compared to the prior reporting period. This reflects growing exposure to RLYB rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in RLYB increasing?
Institutional interest in RLYB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.