13F reference period
Q3 2026
Security Snapshot
OFFICE PROPERTIES INCOME TRUST - REIT (OPI) Institutional Ownership
CUSIP: 67623C307
13F Institutional Holders and Ownership History from Q2 2026 to Q3 2026
Institutions Reporting
24
Shares (Excl. Options)
8.95M
Full value: 8,945,426 · shares · 30 Sep 2026Price
$15.93
The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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- Security type / class
- Equity / REIT
- Symbol
- OPI on Nasdaq
- All holders as of 30 Sep 2026
- Q3 2026
- Total 13F shares
- 8,945,426
- Total 13F value
- $142,501,775
- Portfolio coverage rank
- 0%
- Share change
- +1,169,413
- Value change
- +$18,422,679
- Number of holders
- 24
- Shares outstanding
- 21,983,520
- SEC-reported price per share
- $15.87
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- OPI - OFFICE PROPERTIES INCOME TRUST - REIT is tracked under CUSIP 67623C307.
- 24 institutions reported positions in Q3 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 33 to 24 between Q2 2026 and Q3 2026.
- SEC-reported value moved from to
$320.81M
Full value: $320,812,934 · USD · 30 Jun 2026.$142.5M
Full value: $142,501,775 · USD · 30 Sep 2026
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 24 institutions filings for Q3 2026.
Security key
67623C307
13F reference period
Q3 2026
13F holders
24
13D/G owners
5
CIK / CUSIP context first
Open Q3 2026 holders
OPI full holder history
OFFICE PROPERTIES INCOME TRUST SEC filings
OFFICE PROPERTIES INCOME TRUST company facts
OFFICE PROPERTIES INCOME TRUST insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 67623C307:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
OPI
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Helix Partners Management LP | 25% | 5,565,017 | Helix Partners Management LP | 17 Jun 2026 | ||||
| REDWOOD CAPITAL MANAGEMENT, LLC | 18% | -8.5% | $69,136,760 | -$6,378,481 | 3,961,992 | -8.4% | REDWOOD CAPITAL MANAGEMENT, LLC | 18 Aug 2026 |
| WHITEBOX ADVISORS LLC | 8.2% | 1,797,150 | WHITEBOX ADVISORS LLC | 17 Jun 2026 | ||||
| BARCLAYS PLC | 7.2% | -16% | $24,979,697 | -$4,415,034 | 1,574,020 | -15% | Barclays PLC | 30 Sep 2026 |
| LIBERTY MUTUAL HOLDING Co INC. | 6% | 1,311,341 | Liberty Mutual Holding Company Inc. | 30 Jun 2026 |
As of 30 Sep 2026,
24
institutional investors reported holding
shares of
OFFICE PROPERTIES INCOME TRUST - REIT (OPI).
This represents
41%
of the company’s total
outstanding shares.
8.95M
Full value: 8,945,426 · shares · 30 Sep 202621.98M
Full value: 21,983,520 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
41%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Helix Partners Management LP | 25% | 5,551,715 | 0% | 31% | $88,438,820 |
| VALUEWORKS LLC | 6.2% | 1,358,375 | +17% | 4.7% | $21,638,913 |
| Acasta Partners UK LLP | 2.5% | 541,721 | 3.9% | $8,629,616 | |
| LITTLEJOHN & CO LLC | 1.5% | 326,981 | 0% | 9.1% | $5,208,807 |
| AVIVA PLC | 1.1% | 235,269 | 0% | 0.01% | $3,747,835 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.74% | 162,722 | 0% | $2,593,299 | |
| MARSHALL WACE, LLP | 0.6% | 132,308 | 0% | $2,107,667 | |
| Invesco Ltd. | 0.52% | 113,454 | 0% | 0% | $1,807,323 |
| VANGUARD CAPITAL MANAGEMENT LLC | 0.39% | 86,125 | 0% | $1,371,971 | |
| Qube Research & Technologies Ltd | 0.35% | 77,948 | +670% | 0% | $1,241,712 |
| Marnell Management LLC | 0.29% | 62,674 | +23% | 0.52% | $998,397 |
| AEGON USA Investment Management, LLC | 0.26% | 57,113 | 0% | 0.66% | $909,810 |
| LANARK FINANCIAL, INC. | 0.24% | 53,670 | 0.06% | $854,963 | |
| VANGUARD FIDUCIARY TRUST CO | 0.22% | 48,660 | 0% | $775,154 | |
| AlphaCentric Advisors LLC | 0.14% | 30,000 | 0.42% | $477,900 | |
| Crossingbridge Advisors, LLC | 0.14% | 30,000 | 0.09% | $477,900 | |
| MORGAN STANLEY | 0.09% | 20,730 | +432% | 0% | $330,230 |
| LPL Financial LLC | 0.08% | 16,699 | -1.1% | 0% | $266,015 |
| STEINBERGANNA WEALTH MANAGEMENT | 0.07% | 15,765 | 0.11% | $251,136 | |
| Jump Financial, LLC | 0.05% | 11,980 | 0% | $190,841 | |
| Aster Capital Management (DIFC) Ltd | 0.03% | 6,250 | 0.04% | $99,563 | |
| Vanguard Global Advisers, LLC | 0.02% | 5,177 | 0% | $82,470 | |
| IFP Advisors, Inc | 0% | 53 | 0% | 0% | $844 |
| PensionDanmark Pensionsforsikringsaktieselskab | 0% | 37 | 0% | $589 | |
| MACKENZIE FINANCIAL CORP | 0% | 0 | -100% | $0 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Headline period
Q3 2026
Rows shown
1-2 of 2