Institutional shares held 29.5 Million
19.1K calls
17.2K puts
Total value of holdings $7.37M
$4K calls
$4K puts
Market Cap $12.1M
48,566,100 Shares Out.
Institutional ownership 60.67%
# of Institutions 100


Latest Institutional Activity in OPI

Top Purchases

Q2 2025
Sound Income Strategies, LLC Shares Held: 1.07K ($267)
Q1 2025
Citadel Advisors LLC Shares Held: 299K ($74.7K)
Q1 2025
Aristeia Capital LLC Shares Held: 360K ($90K)
Q1 2025
Geode Capital Management, LLC Shares Held: 890K ($222K)
Q1 2025
Castle Knight Management LP Shares Held: 3.46M ($866K)

Top Sells

Q2 2025
Caldwell Sutter Capital, Inc. Shares Held: 1.51K ($378)
Q1 2025
Marshall Wace, LLP Shares Held: 267K ($66.7K)
Q1 2025
Susquehanna International Group, LLP Shares Held: 109K ($27.3K)
Q1 2025
Millennium Management LLC Shares Held: 25.4K ($6.35K)
Q1 2025
Jane Street Group, LLC Shares Held: 176K ($44.1K)

About OPI

OPI is a REIT focused on owning, operating and leasing properties primarily leased to single tenants and those with high credit quality characteristics such as government entities. OPI is managed by the operating subsidiary of The RMR Group Inc. (Nasdaq: RMR), an alternative asset management company that is headquartered in Newton, Massachusetts.


Insider Transactions at OPI

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
183K Shares
From 4 Insiders
Grant, award, or other acquisition 183K shares
Sell / Disposition
22.4K Shares
From 4 Insiders
Payment of exercise price or tax liability 22.4K shares

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