[SCHEDULE 13G] Tortoise Energy Infrastructure Corp. SEC Filing

Rhea-AI Filing Summary

Tortoise Energy Infrastructure Corp. has a Schedule 13G reporting that Massachusetts Mutual Life Insurance Company directly owns 1,000,000 Series J Mandatory Redeemable Preferred Shares, representing 14.3% of the MRPS class based on the issuer's reported aggregate liquidation preference. Those shares are held in one or more advisory accounts and Barings LLC, a wholly-owned indirect subsidiary of MassMutual, acts as investment adviser and may be deemed a beneficial owner. All reported shares show shared voting and dispositive power of 1,000,000 and no sole voting or dispositive power. The filing states the shares were acquired and are held in the ordinary course of business and not for the purpose of changing control.

Positive

• Discloses a clear, material position of 1,000,000 Series J MRPS representing 14.3% of the class, improving transparency for investors
• Reports shares are held in advisory accounts with Barings LLC serving as investment adviser, clarifying managerial/ownership structure
• Filing includes a certification that the holdings are held in the ordinary course of business and not to influence control

Negative

• Significant concentration: a single reporting group holds 14.3% of the MRPS class, which could be material to preferred security dynamics
• All reported power is shared, so specific decision-making authority over votes or dispositions is not clearly attributable to a single party

Insights

Financial Analyst

TL;DR: MassMutual reports a meaningful minority position of 14.3% in the Series J preferred class, held via advisory accounts with Barings as adviser.

The filing discloses a non-control, passive holding of 1,000,000 Series J MRPS representing 14.3% of that preferred class by Massachusetts Mutual Life Insurance Company, with Barings LLC acting as investment adviser. Voting and dispositive power are reported as shared, indicating the securities are managed through advisory accounts rather than direct sole control. For creditors and preferred holders, this clarifies concentration in the MRPS tranche but does not indicate any activist intent or control change.

Corporate Governance Expert

TL;DR: Disclosure confirms substantial passive ownership without intent to influence issuer control.

The Schedule 13G compliance language and certification assert the position is held in the ordinary course of business and not for control purposes. The joint filing and adviser relationship are properly disclosed, including shared voting and dispositive power. From a governance perspective, the filing signals a significant investor in the preferred series but explicitly classifies the stake as passive, reducing immediate governance implications for the issuer.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

TORTOISE ENERGY INFRASTRUCTURE CORP

(Name of Issuer)

Series J Mandatory Redeemable Preferred Shares, $0.001 par value per share

(Title of Class of Securities)

89147L6#2

(CUSIP Number)

08/31/2025

(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. 89147L6#2

1

Names of Reporting Persons

Massachusetts Mutual Life Insurance Company

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

MASSACHUSETTS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,000,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,000,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,000,000.00

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)

14.3 %

12

Type of Reporting Person (See Instructions)

IC

SCHEDULE 13G

CUSIP No. 89147L6#2

1

Names of Reporting Persons

BARINGS 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 0.00
6	Shared Voting Power 1,000,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,000,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,000,000.00

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)

14.3 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: (1) Massachusetts Mutual Life Insurance Company ("MassMutual"), a Massachusetts corporation, is the direct beneficial owner of 1,000,000 Series J Mandatory Redeemable Preferred Shares (the "Shares") of Tortoise Energy Infrastructure Corporation (the "Issuer"). All such Shares are held in one or more advisory accounts. Barings LLC ("Barings" and together with MassMutual, the "Reporting Persons"), a Delaware limited liability company and wholly-owned indirect subsidiary of MassMutual, acts as investment adviser to these advisory accounts, and as such may also be deemed to be the beneficial owner of the Shares reported herein. (2) The Shares are part of a single class of the Issuer's preferred equity securities known as Mandatory Redeemable Preferred Shares ("MRPS"), so the percentage stated herein is calculated based on the aggregate liquidation preference of the Issuer's total outstanding number of MRPS as of May 31, 2025, as reported in the Issuer's semi-annual report on Form N-CSR filed with the Securities and Exchange Commission on August 4, 2025, and information available to the Reporting Persons.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TORTOISE ENERGY INFRASTRUCTURE CORP
(b)	Address of issuer's principal executive offices: 5901 College Boulevard, Suite 400, Overland Park, Kansas, 66211
Item 2.
(a)	Name of person filing: 1: Massachusetts Mutual Life Insurance Company 2: Barings LLC
(b)	Address or principal business office or, if none, residence: 1: 1295 State Street, Springfield, Massachusetts 01111 2: 300 South Tryon Street, Suite 2500, Charlotte, North Carolina 28202
(c)	Citizenship: 1: Massachusetts 2: Delaware
(d)	Title of class of securities: Series J Mandatory Redeemable Preferred Shares, $0.001 par value per share
(e)	CUSIP No.: 89147L6#2
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: See the response(s) to Item 9 on the attached cover page(s).
(b)	Percent of class: 14.3%.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s).
	(ii) Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s).
	(iii) Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s).
	(iv) Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s).
Item 5.	Ownership of 5 Percent or Less of a Class.
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:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

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.

Massachusetts Mutual Life Insurance Company

Signature:	/s/ Philip Welman
Name/Title:	Philip Welman, Head of Mutual Fund & Institutional Advisory Compliance
Date:	09/08/2025

BARINGS LLC

Signature:	/s/ Melissa LaGrant
Name/Title:	Melissa LaGrant, Chief Compliance Officer
Date:	09/08/2025

Exhibit Information

Exhibit No. Exhibits 99.1 Joint Filing Agreement

FAQ

What stake does Massachusetts Mutual Life Insurance Company report in TYG Series J MRPS?

The filing reports ownership of 1,000,000 Series J MRPS, representing 14.3% of the MRPS class.

Does Barings LLC directly own the shares reported in the Schedule 13G for TYG?

No. Barings LLC is disclosed as the investment adviser to the advisory accounts that hold the shares and may be deemed a beneficial owner, but MassMutual is the direct owner.

What voting and dispositive powers are reported for the 1,000,000 shares?

The reporting persons state 0 sole voting/dispositive power and 1,000,000 shared voting and shared dispositive power.

Is the reported holding intended to influence control of Tortoise Energy Infrastructure Corp.?

The certification in the filing states the shares are held in the ordinary course of business and were not acquired to change or influence control.

Who signed the Schedule 13G filing for the reporting persons?

The filing is signed on behalf of Massachusetts Mutual Life Insurance Company and Barings LLC by their compliance officers, certifying the accuracy of disclosures.