5 institutions reported holding $27.3M of ALEXANDRIA REAL ESTATE EQ IN (ARE-PD) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($18.2M), GROUP ONE TRADING LLC ($5.2M), SIMPLEX TRADING, LLC ($3.9M), AlphaCore Capital LLC ($0), 10Elms LLP ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $18.2M | 392,600 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $5.2M | 112,100 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $3.9M | 83,400 | New |
| 4 | AlphaCore Capital LLC | $0 | 0 | Exited |
| 5 | 10Elms LLP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31