Comparable stake leader
Accel Growth Fund Investors 2010 L.L.C.
SEC ownership of Squarespace, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001496963.
Disclosed value leader
Accel Growth Fund Investors 2010 L.L.C.
Comparable rows
0/16
Latest evidence
31 Mar 2026
- Parsed ownership sources
- 3/4/5 and 13F
- Largest SEC-reported holder
- Accel Growth Fund Investors 2010 L.L.C.
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0001496963
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Squarespace, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Accel Growth Fund Investo...
Disclosed value leader
Accel Growth Fund Investo...
Comparable rows
0/16
Latest evidence
31 Mar 2026
3/4/5
13F
Highest disclosed value: $459,229,161
16 rows are not safely comparable across share classes.
Showing 1-8 of 16 holder rows.
Quick read
Accel Growth Fund Investors 2010 L.L.C. has the largest disclosed position value at $459.23M.
0 of 16 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Accel Growth Fund Investors 2010 L.L.C.'s linked filing trail.
Disclosed position value
Top 5
Accel Growth Fund Investors 2010 ...
$459.23M
General Atlantic (SQRS) LP
$336.26M
Index Ventures Growth I (Jersey) ...
$305.9M
Index Ventures Growth I Parallel ...
$302.65M
Index Venture Growth Associates I...
$281.49M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 16 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Accel Growth Fund Investors 2010 L.L.C. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$459,229,161
14,514,196 shares
|
— | 11 Jun 2021 |
| General Atlantic (SQRS) LP |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
$336,264,351
10,627,824 shares
|
— | 20 Nov 2023 |
| Index Ventures Growth I (Jersey) L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$305,900,266
9,668,150 shares
|
— | 11 Nov 2022 |
| Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$302,652,768
9,565,511 shares
|
— | 02 Dec 2022 |
| Index Venture Growth Associates I Ltd |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$281,488,709
8,896,609 shares
|
— | 16 Dec 2022 |
| GENERAL ATLANTIC, L.P. |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
$79,652,873
1,712,965 shares
|
— | 17 Oct 2024 |
| Courtenay O'Connor |
3/4/5
General Counsel and Secretary
|
—
class O/S missing
|
$2,011,164
44,832 shares
|
— | 17 Oct 2024 |
| Paul Gubbay |
3/4/5
Chief Product Officer
|
—
class O/S missing
|
$1,966,393
43,834 shares
|
— | 17 Oct 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 06 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-17 of 17 reporting-owner rows connected to Squarespace, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
Accel Growth Fund Investors 2010 L.L.C.
Net 12M change
$0
Latest report
17 Oct 2024
Recent insider transactions for Squarespace, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.