CSS LLC reports 1,020,547 shares (7.866%) in Total Return Fund

CSS LLC amended its Schedule 13G to report beneficial ownership of 1,020,547 shares of Total Return Securities Fund, representing 7.866% of the class (CUSIP 870875101).

Rhea-AI Filing Summary

CSS LLC amended its Schedule 13G to report beneficial ownership of 1,020,547 shares of Total Return Securities Fund, representing 7.866% of the class (CUSIP 870875101). The filing states CSS LLC has sole voting and sole dispositive power over all reported shares. The amendment is signed by Mitchell R. Bialek on 04/15/2026.

Key Figures

Beneficial ownership: 1,020,547 shares Percent of class: 7.866% CUSIP: 870875101 +3 more

6 metrics

Beneficial ownership 1,020,547 shares Amount beneficially owned as reported in Schedule 13G/A

Percent of class 7.866% Percent of class owned as reported in Item 4(b)

CUSIP 870875101 Security identifier for Total Return Securities Fund

Sole voting power 1,020,547.00 Shares with sole power to vote reported in filing

Sole dispositive power 1,020,547.00 Shares with sole power to dispose reported in filing

Signature date 04/15/2026 Date the amendment was signed by Mitchell R. Bialek

Key Terms

Schedule 13G/A, Beneficially owned, Sole dispositive power

3 terms

Schedule 13G/A regulatory

"Item 2. | (a) | Name of person filing: CSS LLC/ (b) | Address"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 1,020,547"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole dispositive power regulatory

"Item 4. | (iii) Sole power to dispose: CSS LLC/IL - 1,020,547"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does CSS LLC own in SWZ according to this Schedule 13G/A?

CSS LLC reports beneficial ownership of 1,020,547 shares of Total Return Securities Fund, equal to 7.866% of the class. The filing lists sole voting and sole dispositive power over these shares as of the amendment.

Who signed the Schedule 13G/A amendment for SWZ and when?

The amendment is signed by Mitchell R. Bialek in his capacity as CCO. The signature date provided is 04/15/2026, as shown on the filing cover information.

Does the filing state whether CSS LLC shares are shared or sole control for SWZ?

The filing states CSS LLC holds sole voting power and sole dispositive power for 1,020,547 shares, and reports 0 for shared voting and shared dispositive power.

What issuer and CUSIP are reported in the Schedule 13G/A for SWZ?

The issuer is Total Return Securities Fund and the CUSIP reported is 870875101. The issuer address is listed as U.S. Bank Global Fund Services, Milwaukee, Wisconsin.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/17/2026 - 02:35 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

Total Return Securities Fund

(Name of Issuer)

Closed End Fund

(Title of Class of Securities)

870875101

(CUSIP Number)

03/31/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 870875101

1

Names of Reporting Persons

CSS LLC/IL

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

ILLINOIS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,020,547.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,020,547.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,020,547.00

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)

7.866 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Total Return Securities Fund
(b)	Address of issuer's principal executive offices: C/O U.S. BANK GLOBAL FUND SERVICES, 615 EAST MICHIGAN STREET, MILWAUKEE, WISCONSIN 53202
Item 2.
(a)	Name of person filing: CSS LLC/IL
(b)	Address or principal business office or, if none, residence: 1 NORTH WACKER DRIVE SUITE 3075 CHICAGO, Illinois 60606
(c)	Citizenship: CSS LLC/IL - ILLINOIS
(d)	Title of class of securities: Closed End Fund
(e)	CUSIP No.: 870875101
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: 1,020,547
(b)	Percent of class: 7.866 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: CSS LLC/IL - 1,020,547
	(ii) Shared power to vote or to direct the vote: CSS LLC/IL - 0
	(iii) Sole power to dispose or to direct the disposition of: CSS LLC/IL - 1,020,547
	(iv) Shared power to dispose or to direct the disposition of: CSS LLC/IL - 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:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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.

CSS LLC/IL

Signature:	Mitchell R. Bialek
Name/Title:	Mitchell R. Bialek/CCO
Date:	04/15/2026