Carl K. Oppenheimer (CPTP) discloses 5.27% Capital Properties stake

Rhea-AI Filing Summary

Several Oppenheimer-affiliated investors and Carl K. Oppenheimer report beneficial ownership of Capital Properties, Inc. Class A common stock. Carl K. Oppenheimer reports 348,043 shares, representing 5.27% of the class as of the event date.

P. Oppenheimer Investment Partnership holds 292,967 shares (about 4.4%), Oppvest, LLC holds 298,058 shares (about 4.5%), and other related entities hold smaller positions. All reporting persons state sole voting and dispositive power over their respective shares, with no shared voting or dispositive authority.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Capital Properties, Inc.

(Name of Issuer)

Class A Common Stock, $.01 par value

(Title of Class of Securities)

140430109

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 140430109

1

Names of Reporting Persons

P. Oppenheimer Investment Parternship, LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 292,967.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 292,967.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

292,967.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

4.44 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. 140430109

1

Names of Reporting Persons

Oppenheimer-Close Investment Partnership, LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 5,091.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,091.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,091.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.08 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. 140430109

1

Names of Reporting Persons

Oppenheimer + Close, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 21,180.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 21,180.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

49,985.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.76 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 140430109

1

Names of Reporting Persons

Oppvest, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 298,058.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 298,058.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

298,058.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

4.52 %

12

Type of Reporting Person (See Instructions)

OO, IA

SCHEDULE 13G

CUSIP No. 140430109

1

Names of Reporting Persons

Carl K. Oppenheimer

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 319,238.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 319,238.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

348,043.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.27 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Capital Properties, Inc.
(b)	Address of issuer's principal executive offices: 5 Steeple Street, Unit 303, Providence, RHODE ISLAND 02903
Item 2.
(a)	Name of person filing: P. Oppenheimer Investment Partnership, LP Oppenheimer-Close Investment Partnership, LP Oppenheimer + Close, LLC Oppvest, LLC Carl K. Oppenheimer
(b)	Address or principal business office or, if none, residence: 119 West 57th Street Suite 1515 New York, NY 10019
(c)	Citizenship: Delaware Delaware Delaware Delaware USA
(d)	Title of class of securities: Class A Common Stock, $.01 par value
(e)	CUSIP No.: 140430109
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 292,967 5,091 49,985 298,058 348,043
(b)	Percent of class: 4.4% 0.1% 0.8% 4.5% 5.3
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 292,967 5,091 21,180 298,058 319,238
	(ii) Shared power to vote or to direct the vote: 0 0 0 0 0
	(iii) Sole power to dispose or to direct the disposition of: 292,967 5,091 21,180 298,058 319,238
	(iv) Shared power to dispose or to direct the disposition of: 0 0 0 0 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	Not Applicable

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

P. Oppenheimer Investment Parternship, LP

Signature:	Carl K. Oppenheimer
Name/Title:	Managing Member
Date:	02/10/2026

Oppenheimer-Close Investment Partnership, LP

Signature:	Carl K. Oppenheimer
Name/Title:	Managing Member
Date:	02/10/2026

Oppenheimer + Close, LLC

Signature:	Carl K. Oppenheimer
Name/Title:	Managing Member
Date:	02/10/2026

Oppvest, LLC

Signature:	Carl K. Oppenheimer
Name/Title:	Managing Member
Date:	02/10/2026

Carl K. Oppenheimer

Signature:	Carl K. Oppenheimer
Name/Title:	Managing Member
Date:	02/10/2026

FAQ

What ownership in Capital Properties, Inc. (CPTP) does Carl K. Oppenheimer report?

Carl K. Oppenheimer reports beneficial ownership of 348,043 Capital Properties shares, or about 5.27% of the Class A common stock. The filing shows he has sole voting and dispositive power over 319,238 shares, with no shared voting or dispositive authority disclosed.

Which entities related to Oppenheimer hold Capital Properties (CPTP) shares?

P. Oppenheimer Investment Partnership, Oppenheimer-Close Investment Partnership, Oppenheimer + Close, LLC, and Oppvest, LLC all report CPTP holdings. Their reported beneficial ownerships range from 5,091 shares to 298,058 shares, each with sole voting and sole dispositive power over the reported positions.

How many Capital Properties (CPTP) shares does P. Oppenheimer Investment Partnership own?

P. Oppenheimer Investment Partnership reports beneficial ownership of 292,967 Capital Properties Class A shares, representing about 4.44% of the class. According to the filing, it has sole voting power and sole dispositive power over all 292,967 of these shares.

What stake in Capital Properties (CPTP) does Oppvest, LLC disclose?

Oppvest, LLC reports beneficial ownership of 298,058 Capital Properties Class A shares, or about 4.52% of the class. The filing states Oppvest, LLC has sole voting power and sole dispositive power over these 298,058 shares, with no shared authority listed.

What is the smallest Oppenheimer-related holding in Capital Properties (CPTP)?

Oppenheimer-Close Investment Partnership reports the smallest stake, with 5,091 Capital Properties Class A shares. This position represents approximately 0.08% of the outstanding class, and the entity has sole voting and sole dispositive power over all 5,091 reported shares.

What class of Capital Properties (CPTP) securities is covered in this Schedule 13G?

The Schedule 13G covers Capital Properties, Inc. Class A Common Stock with a par value of $0.01 per share. The filing identifies this security using CUSIP number 140430109 and reports beneficial ownership percentages for each Oppenheimer-related reporting person.