Mersana Therapeutics, Inc. received an amended Schedule 13G from Schonfeld Strategic Advisors LLC reporting that it no longer beneficially owns any of the company’s common stock. Schonfeld reports ownership of 0 shares, representing 0% of the outstanding common stock, with no sole or shared voting or dispositive power.
Schonfeld describes itself as an investment adviser to several private funds and separately managed accounts, and notes that its clients were the record owners of the securities previously covered. The amendment confirms that Schonfeld’s beneficial ownership has fallen to 5% or less of Mersana’s common stock.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Mersana Therapeutics, Inc.
(Name of Issuer)
Common Stock, par value $0.0001 per share
(Title of Class of Securities)
59045L106
(CUSIP Number)
12/31/2025
(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.
59045L106
1
Names of Reporting Persons
Schonfeld Strategic Advisors 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
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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)
0 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Mersana Therapeutics, Inc.
(b)
Address of issuer's principal executive offices:
840 Memorial Drive, Cambridge, Massachusetts 02139
Item 2.
(a)
Name of person filing:
Schonfeld Strategic Advisors LLC ("Schonfeld") is an investment adviser to several private funds. Schonfeld also engages third party sub-advisers to manage assets of its private funds as separately managed accounts (the "Schonfeld SMAs"). Accordingly, Schonfeld may be deemed to indirectly beneficially own securities owned by the Schonfeld SMAs. Each Schonfeld SMA is the record and direct beneficial owner of a portion of the securities covered by this statement. Schonfeld declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934 or any other purpose, the beneficial owner of any securities covered by this statement.
(b)
Address or principal business office or, if none, residence:
590 Madison Avenue, 23rd Floor, New York, New York 10022
(c)
Citizenship:
Delaware limited liability company
(d)
Title of class of securities:
Common Stock, par value $0.0001 per share
(e)
CUSIP No.:
59045L106
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:
0 shares
(b)
Percent of class:
0%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0 shares
(ii) Shared power to vote or to direct the vote:
0 shares
(iii) Sole power to dispose or to direct the disposition of:
0 shares
(iv) Shared power to dispose or to direct the disposition of:
0 shares
Item 5.
Ownership of 5 Percent or Less of a Class.
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 securities held by each of the Schonfeld SMAs as to which this statement is filed were owned of record by clients of Schonfeld. Those clients had the right to receive, or the power to direct the receipt of, dividends from, or the proceeds from the sale of, such securities.
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.
