Sit Investment Associates, Inc. and its subsidiary Sit Fixed Income Advisors II, LLC filed a Schedule 13G disclosing shared beneficial ownership of 5,050,265 shares of BlackRock Multi-Sector Income Trust common stock, equal to 8.9% of the class. The reported percentage is calculated on a base of 57,062,709 shares outstanding as of June 30, 2025 and was adjusted for shares issued under the issuer's rights offering dated September 9, 2025. All securities are owned by client accounts managed by SIA and SFI; both firms state the securities are held in the ordinary course of business and disclaim sole beneficial ownership. The filing is signed by Paul E. Rasmussen on behalf of both filers.
Positive
5,050,265 shares disclosed, providing clear transparency on holdings
Reporting includes the calculation base of 57,062,709 shares and adjustments for the 9/9/2025 rights offering
Negative
Holding is recorded as shared voting and shared dispositive power, not sole control
Stake equals 8.9%, which is material but below a controlling threshold
Insights
Institutional advisers report an 8.9% shared stake via client accounts.
The filing shows 5,050,265 shares are managed by Sit Investment Associates, Inc. and Sit Fixed Income Advisors II, LLC with shared voting and shared dispositive power, not sole control. This indicates influence through advisory relationships rather than direct ownership.
The ownership percentage references the issuer's 57,062,709 shares outstanding as of June 30, 2025 and notes adjustment for the issuer's September 9, 2025 rights offering, which the filers explicitly accounted for in their percentage calculation.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
BlackRock Multi-Sector Income Trust
(Name of Issuer)
Common Stock
(Title of Class of Securities)
09258A107
(CUSIP Number)
09/30/2025
(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.
09258A107
1
Names of Reporting Persons
Sit Investment Associates, Inc.
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
MINNESOTA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
5,050,265.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
5,050,265.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
5,050,265.00
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)
8.9 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
CUSIP No.
09258A107
1
Names of Reporting Persons
Sit Fixed Income Advisors II, 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
5,050,265.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
5,050,265.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
5,050,265.00
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)
8.9 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
BlackRock Multi-Sector Income Trust
(b)
Address of issuer's principal executive offices:
100 Bellevue Parkway, Wilmington, DE 19809
Item 2.
(a)
Name of person filing:
Sit Investment Associates, Inc.
Sit Fixed Income Advisors II, LLC
(b)
Address or principal business office or, if none, residence:
c/o Sit Investment Associates, Inc.
80 South Eighth Street, Suite 3300
Minneapolis, MN 55402
(c)
Citizenship:
Sit Investment Associates, Inc. Minnesota Corporation
Sit Fixed Income Advisors II, LLC Delaware LLC
(d)
Title of class of securities:
Common Stock
(e)
CUSIP No.:
09258A107
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 response to item 9 on each cover page.
(b)
Percent of class:
See response to item 11 on each cover page.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
See response to item 5 on each cover page.
(ii) Shared power to vote or to direct the vote:
See response to item 6 on each cover page.
(iii) Sole power to dispose or to direct the disposition of:
See response to item 7 on each cover page.
(iv) Shared power to dispose or to direct the disposition of:
See response to item 8 on each cover page.
The ownership percentages reported are based on 57,062,709 shares of common stock outstanding as of June 30, 2025, as reported in the Issuer's Report on Form N-CSRS filed with the Securities Exchange Commission, and adjusted for shares issued pursuant to the Issuer's rights offering dated September 9, 2025.
Sit Investment Associates, Inc. ("SIA") is an investment adviser registered under section 203 of the Investment Advisers Act of 1940. Sit Fixed Income Advisors II, LLC ("SFI") is an investment adviser registered under section 203 of the Investment Advisers Act of 1940 and a subsidiary of SIA. SIA and SFI provide investment management services to client accounts ("Accounts"). In their roles as investment advisers SIA and SFI possess shared voting and investment power over securities of the Issuer described in this schedule 13G owned by the Accounts and may be deemed to be the beneficial owner of such shares of the Issuer owned by the Accounts. All securities reported in this schedule 13G are owned by the Accounts. Pursuant to Rule 13d-4 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), SIA and SFI disclaim beneficial ownership of such securities.
Item 5.
Ownership of 5 Percent or Less of a Class.
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
The Accounts are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities.
Except as may be indicated if this is a joint filing with a registered investment company managed by SIA or SFI, not more than 5% of the class of such securities is owned by any one Account subject to the investment advice of SIA or SFI.
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.
What stake did Sit Investment Associates report in BIT?
The filers reported shared beneficial ownership of 5,050,265 shares, representing 8.9% of BIT's outstanding common stock.
How was the 8.9% ownership percentage calculated?
The percentage is based on 57,062,709 shares outstanding as of June 30, 2025, adjusted for shares issued in the rights offering dated September 9, 2025.
Do Sit firms claim direct ownership or control of the shares?
No; SIA and SFI state the securities are owned by client accounts they advise and they disclaim sole beneficial ownership.
Were the shares acquired to influence control of the issuer?
The certification states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.
Who signed the Schedule 13G on behalf of the filers?
The filing is signed by Paul E. Rasmussen, Vice President, for both Sit Investment Associates, Inc. and Sit Fixed Income Advisors II, LLC on 10/02/2025.
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