Regeneron Pharmaceuticals Inc.
REGN | NASDAQ
$927.89
+$109.12 (+13.33%)
At close: Oct 30, 2026, 4:00 PM ET
$927.23
-$0.66 (-0.07%)
Pre-market:
Nov 2, 2026, 9:03 AM ET
Institutional Ownership
Net InflowTotal Institutions
1,395
Total Ownership
89.27%
Capital Flow
+$10.83B
Shares Change
+3.5M
Ownership Distribution
Institutions (89.27%)
Others (10.73%)
Institutional Sentiment
Overall: neutralEquity Sentiment & Activity
neutralNew Positions
123
Increased Positions
606
Reduced Positions
547
Closed Positions
186
New (123)
Increased (606)
Reduced (547)
Closed (186)
Options Sentiment & Activity
neutralPut/Call Ratio
1.046
Call Flow
1,380,823
Put Flow
1,443,934
Calls (49%)
Puts (51%)
Super Investors
| Super Investor / Fund | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 0.14% +121.88% | 0.17% | 148.22K | 121.36M | |
| Sound Shore Management Inc | 0.12% -15.88% | 3.09% | 126.99K | 101.13M | |
| Bridgewater Associates LP | 0.05% +125.90% | 0.17% | 51.33K | 42.03M |
Top Shareholders
| Institution | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 8.81% +2.44% | 0.08% -30.09% | 9.11M +1.85% | 5.68B -17.80% | |
| Vanguard Capital Management LLC | 6.41% +0.20% | 0.09% -30.55% | 6.63M -0.38% | 4.13B -19.60% | |
| Dodge & Cox | 4.71% +9.90% | 1.59% -15.99% | 4.87M +9.26% | 3.04B -11.82% |
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