UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Amendment No. 1)

Under the Securities Exchange Act of 1934

TuSimple Holdings Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

90089L108

(CUSIP Number)

Eric Shahinian

Camac Partners, LLC

350 Park Avenue, 13th Floor

New York, NY 10022

914-629-8496

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

3/19/24

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.

The information required on 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).

1	NAMES OF REPORTING PERSONS
	Camac Partners, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) ☐
	(b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
	☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

	7	SOLE VOTING POWER
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		0
	8	SHARED VOTING POWER
		10,573,589
	9	SOLE DISPOSITIVE POWER
		0
	10	SHARED DISPOSITIVE POWER
		10,573,589

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	10,573,589
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	5.1%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

1	NAMES OF REPORTING PERSONS
	Camac Capital, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) ☐
	(b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
	☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

	7	SOLE VOTING POWER
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		0
	8	SHARED VOTING POWER
		10,573,589
	9	SOLE DISPOSITIVE POWER
		0
	10	SHARED DISPOSITIVE POWER
		10,573,589

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	10,573,589
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	5.1%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

1	NAMES OF REPORTING PERSONS
	Camac Fund, LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) ☐
	(b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	WC
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
	☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

	7	SOLE VOTING POWER
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		0
	8	SHARED VOTING POWER
		10,573,589
	9	SOLE DISPOSITIVE POWER
		0
	10	SHARED DISPOSITIVE POWER
		10,573,589

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	10,573,589
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	5.1%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

1	NAMES OF REPORTING PERSONS
	Eric Shahinian
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) ☐
	(b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
	☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

	7	SOLE VOTING POWER
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		0
	8	SHARED VOTING POWER
		10,573,589
	9	SOLE DISPOSITIVE POWER
		0
	10	SHARED DISPOSITIVE POWER
		10,573,589

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	10,573,589
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	5.1%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

Item 1. Security and Issuer

This Amendment No. 1 (this “Amendment”) amends and supplements the Schedule 13D filed with the Securities and Exchange Commission on March 21, 2024 (the “Schedule 13D”) by the Reporting Person (defined below) with respect to the Common Stock of TuSimple Holdings Inc.  (the “Issuer” or the “Company”).  The principal executive office address of the Issuer is 9191 Town Centre Drive, Suite 150, San Diego, CA 92122.

Item 2. Identity and Background

(a) This Schedule 13D is filed by:

(i)	Camac Partners, LLC, a Delaware limited liability company (“Camac Partners”)
(ii)	Camac Capital, LLC, a Delaware limited liability company (“Camac Capital”)
(iii)	Camac Fund, LP, a Delaware partnership (“Camac Fund”); and
(iv)	Eric Shahinian, an individual, residing in NY (“Eric Shahinian”), who serves as the manager of Camac Capital, LLC.

Each of the foregoing is referred to as a “Reporting Person” and collectively as the “Reporting Persons”. Each of the Reporting Persons, is party to that certain Joint Filing Agreement, as further described in Item 6 and filed as an exhibit to this Schedule 13D. Accordingly, the Reporting Persons are hereby filing a joint Schedule 13D.

(b)	The address of the principal office of each of the Reporting Persons is 350 Park Avenue, 13th Floor, New York, NY 10022.
(c)	The principal business of Camac Fund is investing in securities. Camac Partners is the investment manager of Camac Fund. Camac Capital is the general partner of Camac Fund. The principal occupation of Eric Shahinian is serving as the manager of Camac Capital, the general partner of Camac Fund.
(d)	During the last five years, none of the Reporting Persons have been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	During the last five years, none of the Reporting Persons have been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
(f)	Camac Partners, Camac Capital, and Camac Fund are organized under the laws of Delaware. Eric Shahinian is a United States Citizen.

Item 3. Source and Amount of Funds or Other Consideration

The Shares purchased by Camac Fund were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 10,573,589 Shares beneficially owned by Camac Fund is approximately $3,572,963 including brokerage commissions.

Item 4. Purpose of Transaction

The Reporting Persons purchased the securities of the Issuer reported herein based on the Reporting Persons’ belief that such securities, when purchased, were undervalued and represented an attractive investment opportunity. Depending upon overall market conditions, other investment opportunities available to the Reporting Persons, and the availability of securities of the Issuer at prices that would make the purchase or sale of such securities desirable, the Reporting Persons may endeavor to (i) increase or decrease their respective positions in the Issuer through, among other things, the purchase or sale of securities of the Issuer on the open market or in private transactions or otherwise, on such terms and at such times as the Reporting Persons may deem advisable and/or (ii) enter into transactions that increase or hedge their economic exposure to the securities of the Issuer without affecting their beneficial ownership of the Shares.

No Reporting Person has any present plan or proposal which would relate to or result in any of the matters set forth in subparagraphs (a) - (j) of Item 4 of Schedule 13D except as set forth herein or such as would occur upon completion of any of the actions discussed herein. The Reporting Persons intend to review their investments in the Issuer on a periodic basis and may from time to time engage in communications and discussions with management and the Board of Directors of the Issuer (the “Board”), other stockholders of the Issuer and third parties concerning, among other things, Board composition and corporate governance, levels of expenditures, monetization of all of the company’s assets, and return of capital to shareholders.

The Reporting Persons may, at any time and from time to time, review or reconsider their position and/or change their purpose and/or formulate plans or proposals with respect thereto.

Item 5. Interest in Securities of the Issuer

(a) The aggregate percentage of shares of Common Stock reported owned by each person named herein is based upon 205,890,683 shares of Common Stock outstanding, which is the total number of shares of Common Stock reported outstanding as of the Issuer’s Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission for the period ended September 30, 2023.

As of the close of business on the date hereof, Camac Fund beneficially owned 10,573,589 shares of Common Stock.

Percentage: Approximately 5.1%

(b)	By virtue of their respective positions with Camac Fund, each of Camac Partners, Camac Capital, and Eric Shahinian may be deemed to have shared power to vote and dispose of the Shares reported owned by Camac Fund.
(c)	Schedule A annexed hereto lists all transactions in securities of the Issuer by the Reporting Persons during the past 60 days.
(d)	No person other than the Reporting Persons is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the shares of Common Stock.
(e)	Not applicable.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

Exhibit 99.1 Joint Filing Agreement.

Item 7. Material to be Filed as Exhibits

Exhibit 99.1 Joint Filing Agreement.

SIGNATURES

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

Dated: March 22, 2024

Camac Partners, LLC
By:	Camac Capital, LLC,
its general partner
By:	/s/ Eric Shahinian
	Eric Shahinian
	Managing Member of the GP

Camac Capital, LLC
By:	/s/ Eric Shahinian
	Eric Shahinian
	Managing Member

By:	/s/ Eric Shahinian
	Eric Shahinian

Camac Fund, LP
By:	Camac Capital, LLC,
its general partner
By:	/s/ Eric Shahinian
Name:	Eric Shahinian
Title:	Managing Member of the GP

SCHEDULE A

Transactions in the Shares by the Reporting Persons During the Past 60 Days

Date of Purchase	Shares of Common Stock Purchased	Price Per Share ($)
CAMAC FUND, LP
01/17/2024	128,916	$0.3734
01/18/2024	261,931	$0.4075
01/22/2024	400,000	$0.4467
01/23/2024	525,000	$0.3900
01/24/2024	500,000	$0.3597
01/29/2024	470,000	$0.3354
01/31/2024	4,314,413	$0.2440
02/02/2024	350,000	$0.2999
02/05/2024	161,622	$0.2730
02/05/2024	182,892	$0.2648
02/06/2024	295,000	$0.2575
02/09/2024	200,000	$0.2307
02/12/2024	1,549	$0.2315
02/13/2024	150,000	$0.3186
02/14/2024	805	$0.3062
03/01/2024	72,172	$0.4872
03/04/2024	400,000	$0.4696
03/07/2024	472,172	$0.4822
03/08/2024	200,000	$0.5060
03/12/2024	498,270	$0.4924
03/13/2024	163,838	$0.4775
03/14/2024	100,000	$0.5018
03/15/2024	314	$0.4919
03/18/2024	39,918	$0.4820
03/19/2024	406,919	$0.4753
03/21/2024	277,858	$0.4966