Filing Details

The remainder of this cover page shall be filled out for a reporting persons 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.

  NAMES OF REPORTING PERSONS

  Index Ventures Growth I (Jersey) L.P.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Jersey, Channel Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  18,523,446 (1)

  SHARED VOTING POWER

  0

  SOLE DISPOSITIVE POWER

  18,523,446 (1)

  SHARED DISPOSITIVE POWER

  0

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  18,523,446 (1)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  20.5% (1)

  TYPE OF REPORTING PERSON

  PN

Index Ventures Growth I (Jersey) L.P. (Index Growth I) directly owns 18,523,446 shares of the Issuers Class A Common Stock, par value $0.0001 per share (Class A Common Stock). The percent of class was calculated based on 90,489,438 shares of Class A Common Stock outstanding as of September 30, 2021, as set forth in the Issuers Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 15, 2021.

  NAMES OF REPORTING PERSONS

  Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P.

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Jersey, Channel Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  646,240 (1)

  SHARED VOTING POWER

  0

  SOLE DISPOSITIVE POWER

  646,240 (1)

  SHARED DISPOSITIVE POWER

  0

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  646,240 (1)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  0.7% (1)

  TYPE OF REPORTING PERSON

  PN

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. (Index Growth I Parallel) directly owns 646,240 shares of the Issuers Class A CommonStock. The percent of class was calculated based on 90,489,438 shares of Class A Common Stock outstanding as of September 30, 2021, as set forth in the Issuers Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 15, 2021.

  NAMES OF REPORTING PERSONS

  Yucca (Jersey) SLP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Jersey, Channel Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  96,327 (1)

  SHARED VOTING POWER

  0

  SOLE DISPOSITIVE POWER

  96,327 (1)

  SHARED DISPOSITIVE POWER

  0

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  96,327 (1)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  0.1% (1)

  TYPE OF REPORTING PERSON

  PN

Yucca (Jersey) SLP (Yucca) directly owns 96,327 shares of the Issuers Class A CommonStock. The percent of class was calculated based on 90,489,438 shares of Class A Common Stock outstanding as of September 30, 2021, as set forth in the Issuers Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 15, 2021.

  NAMES OF REPORTING PERSONS

  Index Venture Growth Associates I Limited

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Jersey, Channel Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  19,266,013 (1)

  SHARED VOTING POWER

  0

  SOLE DISPOSITIVE POWER

  19,266,013 (1)

  SHARED DISPOSITIVE POWER

  0

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  19,266,013 (1)

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  21.3% (1)

  TYPE OF REPORTING PERSON

  CO

Index Venture Growth Associates I Limited (IVGA I) may be deemed to beneficially own the 19,266,013 shares of Class A Common Stock held directly by Index Growth I, Index Growth I Parallel and Yucca. The percent of class was calculated based on 90,489,438 shares of Class A Common Stock outstanding as of September 30, 2021, as set forth in the Issuers Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 15, 2021.

Item 1.   

Issuer

(a)

Name of Issuer:

Squarespace, Inc. (the Issuer)

(b)

Address of Issuers Principal Executive Offices:

245 Varick Street, 12^th Floor

New York, NY 10014

Item 2.

Filing Person

(a) (c)

Name of Persons Filing; Address; Citizenship:

(i)    IndexGrowth I, a Jersey, Channel Islands partnership.

(ii)    IndexGrowth I Parallel, a Jersey, Channel Islands partnership (together with Index Growth I, the Index Growth I Funds).

(iii)    Yucca,a Jersey, Channel Islands separate partnership.

(iv)    IVGAI, a Jersey, Channel Islands corporation, the general partner of the Index Growth I Funds.

The address of the principal business office of each of the reporting persons is 44 Esplanade, St. Helier, Jersey, Channel Islands JE4 9WG.

(d)

Title of Class of Securities:

Class A Common Stock, $0.0001 par value per share

(e)

CUSIP Number:

85225A107

Item 3.

If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

(a)

☐

Broker or dealer registered under Section 15 of the Act;

(b)

☐

Bank as defined in Section 3(a)(6) of the Act;

(c)

☐

Insurance company as defined in Section 3(a)(19) of the Act;

(d)

☐

Investment company registered under Section 8 of the Investment Company Act of 1940;

(e)

☐

An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f)

☐

An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

(g)

☐

A parent holding company or control person in accordance with Rule 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)

☐

(j)

☐

A non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J);

(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) and (b)

Amount beneficially owned:

(ii)  Index Growth I Parallel directly owns 646,240 shares of Class A Common Stock, which represents approximately 0.7% of the outstanding Class A Common Stock.

(iii)  Yucca directly owns 96,327 shares of Class A Common Stock, which represents approximately 0.1% of the outstanding Class A Common Stock. Yucca administers the co-investment vehicle that is contractually required to mirror the Index Growth I Funds investments. As a result, IVGA I may be deemed to have dispositive and voting power over Yuccas shares by virtue of its dispositive power over and voting power over the shares owned by the Index Growth I Funds.

(iv) IVGA I may be deemed to beneficially own the 19,266,013 shares of Class A Common Stock owned by the Index Growth I Funds and Yucca, which represents approximately 21.3% of the outstanding Class A Common Stock.

(c)

Number of shares as to which such person has:

Reporting Person

Index Growth I

Index Growth I Parallel

Yucca

IVGA I

(i) Sole power to vote or direct the vote

(ii)  Shared power to vote or to direct the vote

(iii)  Sole power to dispose or to direct the disposition of

(iv) Shared power to dispose or to direct the disposition of

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 persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following [_].

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 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.   Certification.

Not applicable.