Sec Form 13G Filing - CITADEL ADVISORS LLC @ Thunder Bridge Capital Partners IV Inc.

Insider filing report for Changes in Beneficial Ownership

Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G*

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO § 240.13d-2

(Amendment No. 1)*

Thunder Bridge Capital Partners IV, Inc.

(Name of Issuer)

Class A Common Stock, par value $0.0001 per share (the “Shares”)

(Title of Class of Securities)

88605L107

(CUSIP Number)

December 31, 2021

(Date of Event Which Requires Filing of the Statement)

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

o	Rule 13d-1(b)
x	Rule 13d-1(c)
o	Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 88605L107

13G

Page 2 of 13 Pages

1.	NAME OF REPORTING PERSONS Citadel Advisors LLC
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) o
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
		6.	SHARED VOTING POWER 0 Shares
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER See Row 6 above
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0%¹
12.	TYPE OF REPORTING PERSON IA; OO; HC

_________________________

¹	The percentages reported in this Schedule 13G are based upon 24,300,840 Shares outstanding as of November 15, 2021 (according to the issuer’s Form 10-Q as filed with the Securities and Exchange Commission on November 15, 2021).

CUSIP No. 88605L107

13G

Page 3 of 13 Pages

1.	NAME OF REPORTING PERSONS Citadel Advisors Holdings LP
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) o
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
		6.	SHARED VOTING POWER 0 Shares
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER See Row 6 above
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0%
12.	TYPE OF REPORTING PERSON PN; HC

CUSIP No. 88605L107

13G

Page 4 of 13 Pages

1.	NAME OF REPORTING PERSONS Citadel GP LLC
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) o
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
		6.	SHARED VOTING POWER 0 Shares
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER See Row 6 above
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0%
12.	TYPE OF REPORTING PERSON OO; HC

CUSIP No. 88605L107

13G

Page 5 of 13 Pages

1.	NAME OF REPORTING PERSONS Citadel Securities LLC
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) o
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
		6.	SHARED VOTING POWER 4,571 Shares
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER See Row 6 above
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0%
12.	TYPE OF REPORTING PERSON BD; OO

CUSIP No. 88605L107

13G

Page 6 of 13 Pages

1.	NAME OF REPORTING PERSONS Citadel Securities Group LP
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) o
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
		6.	SHARED VOTING POWER 4,571 Shares
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER See Row 6 above
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0%
12.	TYPE OF REPORTING PERSON PN; HC

CUSIP No. 88605L107

13G

Page 7 of 13 Pages

1.	NAME OF REPORTING PERSONS Citadel Securities GP LLC
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) o
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
		6.	SHARED VOTING POWER 4,571 Shares
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER See Row 6 above
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0%
12.	TYPE OF REPORTING PERSON OO; HC

CUSIP No. 88605L107

13G

Page 8 of 13 Pages

1.	NAME OF REPORTING PERSONS Kenneth Griffin
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) o
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION U.S. Citizen
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 4,571 Shares
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER See Row 6 above
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0%
12.	TYPE OF REPORTING PERSON IN; HC

CUSIP No. 88605L107

13G

Page 9 of 13 Pages

Item 1(a).	Name of Issuer:

	Thunder Bridge Capital Partners IV, Inc.

Item 1(b).	Address of Issuer’s Principal Executive Offices:

	9912 Georgetown Pike, Suite D203, Great Falls, VA 22066 United States

Item 2(a).	Name of Person Filing:

	This Schedule 13G is being jointly filed by Citadel Advisors LLC (“Citadel Advisors”), Citadel Advisors Holdings LP (“CAH”), Citadel GP LLC (“CGP”), Citadel Securities LLC (“Citadel Securities”), Citadel Securities Group LP (“CALC4”), Citadel Securities GP LLC (“CSGP”) and Mr. Kenneth Griffin (collectively with Citadel Advisors, CAH, CGP, Citadel Securities, CALC4 and CSGP, the “Reporting Persons”) with respect to the Shares of the above-named issuer owned by Citadel Securities. Such owned Shares may include other instruments exercisable for or convertible into Shares.

	CAH is the sole member of Citadel Advisors. CGP is the general partner of CAH. CALC4 is the non-member manager of Citadel Securities. CSGP is the general partner of CALC4. Mr. Griffin is the President and Chief Executive Officer of CGP, and owns a controlling interest in CGP and CSGP.

	The filing of this statement shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any securities covered by the statement other than the securities actually owned by such person (if any).

Item 2(b).	Address of Principal Business Office or, if none, Residence:

	The address of the principal business office of each of the Reporting Persons is 131 S. Dearborn Street, 32nd Floor, Chicago, Illinois 60603.

Item 2(c).	Citizenship:

	Each of Citadel Advisors, CGP, Citadel Securities and CSGP is organized as a limited liability company under the laws of the State of Delaware. Each of CALC4 and CAH is organized as a limited partnership under the laws of the State of Delaware. Mr. Griffin is a U.S. citizen.

Item 2(d).	Title of Class of Securities:

	Class A Common Stock, par value $0.0001 per share

Item 2(e).	CUSIP Number:

	88605L107

CUSIP No. 88605L107

13G

Page 10 of 13 Pages

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 comp any 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 association 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 (15 U.S.C. 80a-3);
	(j)	¨	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J);
	(k)	¨	Group, in accordance with § 240.13d-1(b)(1)(ii)(K).

	If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____________.

Item 4.	Ownership:

	A.	Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC

		(a)	Each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC may be deemed to beneficially own 0 Shares.

		(b)	The number of Shares that each of Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC may be deemed to beneficially own constitutes 0.0% of the Shares outstanding.

		(c)	Number of Shares as to which such person has:

			(i)	sole power to vote or to direct the vote: 0

			(ii)	shared power to vote or to direct the vote: 0

			(iii)	sole power to dispose or to direct the disposition of: 0

			(iv)	shared power to dispose or to direct the disposition of: 0

CUSIP No. 88605L107

13G

Page 11 of 13 Pages

B.	Citadel Securities LLC

	(a)	Citadel Securities LLC may be deemed to beneficially own 4,571 Shares.

	(b)	The number of Shares that Citadel Securities LLC may be deemed to beneficially own constitutes 0.0% of the Shares outstanding.

	(c)	Number of shares of Shares as to which such person has:

		(i)	sole power to vote or to direct the vote: 0

		(ii)	shared power to vote or to direct the vote: 4,571

		(iii)	sole power to dispose or to direct the disposition of: 0

		(iv)	shared power to dispose or to direct the disposition of: 4,571

C.	Citadel Securities Group LP and Citadel Securities GP LLC

	(a)	Each of Citadel Securities Group LP and Citadel Securities GP LLC may be deemed to beneficially own 4,571 Shares.

	(b)	The number of Shares that each of Citadel Securities Group LP and Citadel Securities GP LLC may be deemed to beneficially own constitutes 0.0% of the Shares outstanding.

	(c)	Number of Shares as to which such person has:

		(i)	sole power to vote or to dire ct the vote: 0

		(ii)	shared power to vote or to direct the vote: 4,571

		(iii)	sole power to dispose or to direct the disposition of: 0

		(iv)	shared power to dispose or to direct the disposition of: 4,571

CUSIP No. 88605L107

13G

Page 12 of 13 Pages

D.	Kenneth Griffin

	(a)	Mr. Griffin may be deemed to beneficially own 4,571 Shares.

	(b)	The number of Shares that Mr. Griffin may be deemed to beneficially own constitutes 0.0% of the Shares outstanding.

	(c)	Number of Shares as to which such person has:

		(i)	sole power to vote or to direct the vote: 0

		(ii)	shared power to vote or to direct the vote: 4,571

		(iii)	sole power to dispose or to direct the disposition of: 0

		(iv)	shared power to dispose or to direct the disposition of: 4,571

Item 5.	Ownership of Five Percent or Less of a Class:

	If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following. x

Item 6.	Ownership of More Than Five 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:

	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.

CUSIP No. 88605L107

13G

Page 13 of 13 Pages

SIGNATURE

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

Dated February 14, 2022.

CITADEL SECURITIES LLC		CITADEL ADVISORS LLC

By:	/s/ Guy Miller	By:	/s/ Gregory Johnson
	Guy Miller, Authorized Signatory		Gregory Johnson, Authorized Signatory


CITADEL SECURITIES GROUP LP		CITADEL ADVISORS HOLDINGS LP

By:	/s/ Guy Miller	By:	/s/ Gregory Johnson
	Guy Miller, Authorized Signatory		Gregory Johnson, Authorized Signatory


CITADEL SECURITIES GP LLC		CITADEL GP LLC

By:	/s/ Guy Miller	By:	/s/ Gregory Johnson
	Guy Miller, Authorized Signatory		Gregory Johnson, Authorized Signatory


		KENNETH GRIFFIN

		By:	/s/ Gregory Johnson
			Gregory Johnson, attorney-in-fact*

_________________________

Gregory Johnson is signing on behalf of Kenneth Griffin as attorney-in-fact pursuant to a power of attorney previously filed with the Securities and Exchange Commission, and hereby incorporated by reference herein. The power of attorney was filed as an attachment to a filing by Citadel Advisors LLC on Schedule 13G for Jaws Acquisitions Corp. on February 1, 2021.

Sec Form 13G Filing - CITADEL ADVISORS LLC filing for Thunder Bridge Capital Partners IV Inc. (THCP) - 2022-02-14