REGN
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 17.6 | P/B | 2.60 |
| EPS (TTM) | 41.55 | Dividend | 0.51% |
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 8.9M | 0.1% | +2% |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.7M | n/a | n/a |
| State Street | 4.7M | 0.1% | +0% |
| Dodge & Cox | 4.5M | 1.9% | −3% |
| JPMORGAN CHASE & CO | 4.3M | n/a | +9% |
| FRANKLIN RESOURCES INC | 2.7M | 0.5% | +6% |
Top institutional owners for REGN as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
| Date | Insider | Action | Shares | $ value |
|---|---|---|---|---|
| SEP 03 | McCourt Marion | SELL | 1K | −$970K |
| SEP 03 | Guarini Kathryn | SELL | 400 | −$340K |
| AUG 12 | Zoghbi Huda Y | SELL | 800 | −$640K |
| AUG 12 | Guarini Kathryn | SELL | 400 | −$320K |
| JUL 07 | RYAN ARTHUR F | SELL | 200 | −$130K |
| MAY 04 | RYAN ARTHUR F | SELL | 2 | −$1K |
0 insider buys, 6 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention REGN yet.