4 institutions reported holding $39.4M of ALEXANDRIA REAL ESTATE EQ IN (ARE-PD) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($21.1M), GROUP ONE TRADING LLC ($9.4M), LANDMARK INVESTMENT PARTNERS, L.P. ($5.7M), SIMPLEX TRADING, LLC ($3.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $21.1M | 398,600 | Added |
| 2 | GROUP ONE TRADING LLC | $9.4M | 177,400 | Added |
| 3 | LANDMARK INVESTMENT PARTNERS, L.P. | $5.7M | 120,000 | New |
| 4 | SIMPLEX TRADING, LLC | $3.2M | 61,000 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30