Security key
67623C307
- Security type / class
- Equity / REIT
- Total 13F shares
- 8,945,426
- Total 13F value
- $142,501,775
- Share change
- +1,169,413
- SEC-reported price per share
- $15.93
- Number of holders
- 24
- Value change
- +$18,422,679
- Number of buys
- 16
- Number of sells
- 2
- Shares outstanding
- 21,983,520
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
24
Top holders
10
OPI full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q2 2026
OFFICE PROPERTIES INCOME TRUST SEC filings
OFFICE PROPERTIES INCOME TRUST company facts
Broader feeds
Reporting periods
Holder history for CUSIP 67623C307
Recent filing periods:
Ownership snapshot
Top reported holders of OPI - OFFICE PROPERTIES INCOME TRUST - REIT (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Helix Partners Management LP
Disclosed value leader
Helix Partners Management LP
Comparable rows
7/15
Latest evidence
30 Sep 2026
13F
13D/G
3/4/5
Lead comparable stake: 25%
8 rows are not safely comparable across share classes.
13D/G row: Helix Partners Management LP
Showing 1-6 of 15 holder rows.
Quick read
Helix Partners Management LP leads the comparable SEC ownership view at 25%.
7 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Helix Partners Management LP's linked filing trail.
Comparable ownership
Top 5
Helix Partners Management LP
25%
REDWOOD CAPITAL MANAGEMENT, LLC
18%
WHITEBOX ADVISORS LLC
8.2%
BARCLAYS PLC
7.2%
LIBERTY MUTUAL HOLDING Co INC.
6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Helix Partners Management LP |
13F
13D/G
3/4/5
Company · 10%+ Owner
|
25%
Reported 13D/G
· 17 Jun 2026
|
$94,379,155
5,551,715 shares
|
— | 30 Jun 2026 |
| REDWOOD CAPITAL MANAGEMENT, LLC |
3/4/5
13D/G
13F
10%+ Owner · Company
|
18%
Reported 13D/G
· 18 Aug 2026
|
$75,406,216
3,961,992 shares
|
-$7,066,520 | 17 Aug 2026 |
| WHITEBOX ADVISORS LLC |
13F
13D/G
Company
|
8.2%
Reported 13D/G
· 17 Jun 2026
|
$29,726,285
1,748,605 shares
|
— | 30 Jun 2026 |
| BARCLAYS PLC |
13D/G
13F
Company
|
7.2%
Reported 13D/G
· 30 Sep 2026
|
$24,979,697
1,574,020 shares
|
-$4,415,034 | 30 Sep 2026 |
| LIBERTY MUTUAL HOLDING Co INC. |
13D/G
Liberty Mutual Holding Company Inc.
|
6%
Reported 13D/G
· 30 Jun 2026
|
—
1,311,341 shares
|
$0 | 30 Jun 2026 |
| D. E. SHAW & CO, L.P. |
13D/G
|
3.5%
Reported 13D/G
· 30 Jun 2025
|
$830,925
2,596,642 shares
|
-$438,073 | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
24
Shares
8,945,426
Rows available
24
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
33
Q3 2026 holders
24
Holder diff
-9
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend