SEC ownership of Wayfair Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001616707.

Comparable stake leader

Capital World Investors

Disclosed value leader

FMR LLC

Comparable rows

50/50

Latest evidence

31 Mar 2026

Top shareholders Insider holders Latest transactions

Public ticker: W on NYSE
Parsed ownership sources: 13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: Capital World Investors
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: Capital World Investors
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0001616707
Issuer location: Boston, MA

Ownership snapshot

Top shareholders of Wayfair 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

Capital World Investors

Disclosed value leader

FMR LLC

Comparable rows

50/50

Latest evidence

31 Mar 2026

13D/G 13F 3/4/5 Lead comparable stake: 13% 13D/G row: Capital World Investors Showing 1-8 of 50 holder rows.

Quick read

Capital World Investors leads the comparable SEC ownership view at 13%.

50 of 50 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 Capital World Investors's linked filing trail.

Comparable ownership Top 5

Capital World Investors 13%

Niraj Shah 8.2%

Steven Conine 8.2%

RENAISSANCE TECHNOLOGIES LLC 4.5%

BAILLIE GIFFORD & CO 4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Capital World Investors	13D/G 13F Company 13D/G 13F	13%	$1,194,750,695 13,374,574 shares	+$147,177,071	30 Sep 2025
Niraj Shah	13D/G 3/4/5 Chief Executive Officer, Director 13D/G 3/4/5	8.2%	$708,098,365 9,725,290 shares	-$78,475,200	31 Mar 2026
Steven Conine	13D/G 3/4/5 Director 13D/G 3/4/5	8.2%	$708,081,910 9,725,064 shares	-$78,561,990	31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC	13F 13D/G Company 13F 13D/G	4.5% from 13D/G	$373,976,084 4,972,425 shares	—	31 Mar 2026
BAILLIE GIFFORD & CO	13D/G 13F Company 13D/G 13F	4%	$370,649,019 4,149,211 shares	$0	30 Sep 2025
Prescott General Partners LLC	13F 13D/G Company 13F 13D/G	2.9% from 13D/G	$174,667,779 2,322,401 shares	—	31 Mar 2026
Michael A. Kumin	3/4/5 Director 3/4/5	0.35%	$28,878,316 379,753 shares	+$11,995	05 Mar 2026
Jeffrey G. Naylor	3/4/5 Director 3/4/5	0.03%	$2,727,451 33,052 shares	—	05 Mar 2026

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

Net insider flow leans to selling over the last 12 months. Net value: -$262,354,615.

Buys

$11,995

Insiders: 1

Sells

$262,366,610

Insiders: 5

Net

-$262,354,615

Shares: -2,961,720

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 160 Shares: 2,961,880

Window (months)	Buy shares	Sell shares	Buy value	Sell value	Net value
0-3	0	5,925	$0	$570,518	-$570,518
3-6	0	720,000	$0	$55,310,336	-$55,310,336
6-9	0	959,996	$0	$101,170,463	-$101,170,463
9-12	160	1,275,959	$11,995	$105,315,293	-$105,303,298

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-18 of 18 reporting-owner rows connected to Wayfair Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

Niraj Shah

Net 12M change

-$262,354,615

Latest report

01 Jul 2026

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Niraj Shah	Chief Executive Officer, Director	$484,445,255	-$126,823,284	-21%	Mixed	23 Apr 2026
Steven Conine	Director	$484,299,009	-$126,824,617	-21%	Mixed	23 Apr 2026
Michael A. Kumin	Director	$28,878,316	+$11,995	+0.04%	Mixed	05 Mar 2026
Fiona Tan	Chief Technology Officer	$21,901,530	-$2,310,842	-9.5%	Median	01 Jul 2026
Kate Gulliver	CFO and Chief Admin Officer	$15,952,187	-$4,869,277	-23%	Mixed	01 Jul 2026
Steve Oblak	Chief Commercial Officer	$15,752,744			Mixed	20 Sep 2023
Thomas Netzer	Chief Operating Officer	$11,668,348			Mixed	17 Dec 2024
Jon Blotner	Pres., Commercial & Operations	$11,355,674	-$1,538,590	-12%	Mixed	01 Jul 2026
Michael D. Fleisher	Chief Financial Officer	$6,189,210			Mixed	15 Oct 2022
James R. Miller	Chief Technology Officer	$3,077,732			Mixed	01 Feb 2022
Jeffrey G. Naylor	Director	$2,727,451			Mixed	05 Mar 2026
Michael E. Sneed	Director	$2,192,426			Mixed	12 Nov 2025
Andrea Jung	Director	$1,529,150			Mixed	14 Aug 2025
Jeremy King	Director	$992,407			Mixed	14 Aug 2025
Diana Frost	Director	$685,246			Mixed	05 Mar 2026
Anke Schaferkordt	Director	$478,714			Filing P/S	02 May 2025
III Harry A. Lawton	Director	$201,975			Mixed	12 Nov 2025
Michael W. Choe	Director				Mixed	06 Sep 2023

Recent insider transactions for Wayfair 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
Jon Blotner	W	Class A Common Stock	Sale	-4.81%	$570,518	$96.29	-5,925	117,344	02 Jul 2026	Direct
Fiona Tan	W	Class A Common Stock	Tax liability	-36.2%			-14,357	25,280	01 Jul 2026	Direct
Fiona Tan	W	Class A Common Stock	Options Exercise	248.7%			28,271	39,637	01 Jul 2026	Direct
Fiona Tan	W	Restricted Stock Unit ("RSU")	Options Exercise	-88.7%			-28,271	3,597	01 Jul 2026	Direct
Kate Gulliver	W	Class A Common Stock	Tax liability	-6.22%			-11,347	171,190	01 Jul 2026	Direct
Kate Gulliver	W	Class A Common Stock	Options Exercise	14.8%			23,466	182,537	01 Jul 2026	Direct
Kate Gulliver	W	Restricted Stock Units ("RSUs")	Options Exercise	-25%			-428	1,284	01 Jul 2026	Direct
Kate Gulliver	W	Restricted Stock Unit ("RSU")	Options Exercise	-98.3%			-23,038	392	01 Jul 2026	Direct
Jon Blotner	W	Class A Common Stock	Tax liability	-8.42%			-11,339	123,269	01 Jul 2026	Direct
Jon Blotner	W	Class A Common Stock	Options Exercise	21.1%			23,450	134,608	01 Jul 2026	Direct
Jon Blotner	W	Restricted Stock Units ("RSUs")	Options Exercise	-98.6%			-23,450	327	01 Jul 2026	Direct
Kate Gulliver	W	Restricted Stock Unit ("RSU")	Award				89,714	89,714	01 May 2026	Direct
Jon Blotner	W	Restricted Stock Unit ("RSU")	Award				91,768	91,768	01 May 2026	Direct
Fiona Tan	W	Restricted Stock Unit ("RSUs")	Award				108,292	108,292	01 May 2026	Direct
Steven Conine	W	Class A Common Stock	Sale	-1.64%	$560,776	$78.55	-7,139	429,073	24 Apr 2026	Direct
Niraj Shah	W	Class A Common Stock	Sale	-1.41%	$482,478	$78.62	-6,137	429,137	24 Apr 2026	Direct
Steven Conine	W	Class A Common Stock	Sale	-20.6%	$8,746,543	$77.50	-112,861	436,212	23 Apr 2026	Direct
Niraj Shah	W	Class A Common Stock	Sale	-20.7%	$8,823,105	$77.49	-113,863	435,274	23 Apr 2026	Direct
Steven Conine	W	Class A Common Stock	Conversion of derivative security	1018.9%			500,000	549,073	20 Apr 2026	Direct
Steven Conine	W	Class B Common Stock	Conversion of derivative security	-5.47%			-500,000	8,633,304	20 Apr 2026	Direct
Niraj Shah	W	Class A Common Stock	Conversion of derivative security	1017.6%			500,000	549,137	20 Apr 2026	Direct
Niraj Shah	W	Class B Common Stock	Conversion of derivative security	-5.47%			-500,000	8,634,496	20 Apr 2026	Direct
Jon Blotner	W	Class A Common Stock	Will/Inheritance				100	100	01 Apr 2026	See Footnote
Fiona Tan	W	Class A Common Stock	Tax liability	-50.8%			-11,727	11,366	01 Apr 2026	Direct
Fiona Tan	W	Class A Common Stock	Options Exercise				23,093	23,093	01 Apr 2026	Direct
Fiona Tan	W	Restricted Stock Unit ("RSU")	Options Exercise	-100%			-23,093	0	01 Apr 2026	Direct
Kate Gulliver	W	Class A Common Stock	Tax liability	-5.47%			-9,208	159,071	01 Apr 2026	Direct
Kate Gulliver	W	Class A Common Stock	Options Exercise	12.8%			19,041	168,279	01 Apr 2026	Direct
Kate Gulliver	W	Restricted Stock Units ("RSUs")	Options Exercise	-25.4%			-584	1,712	01 Apr 2026	Direct
Kate Gulliver	W	Restricted Stock Unit ("RSU")	Options Exercise	-100%			-18,457	0	01 Apr 2026	Direct
Steven Conine	W	Class A Common Stock	Sale	-17.5%	$817,594	$78.66	-10,394	49,073	25 Mar 2026	Direct
Niraj Shah	W	Class A Common Stock	Sale	-17.8%	$834,934	$78.69	-10,611	49,137	25 Mar 2026	Direct
Niraj Shah	W	Class A Common Stock	Sale	-2.56%	$121,250	$77.18	-1,571	59,748	24 Mar 2026	Direct
Steven Conine	W	Class A Common Stock	Sale	-2.76%	$130,135	$77.14	-1,687	59,467	24 Mar 2026	Direct
Niraj Shah	W	Class A Common Stock	Sale	-63.8%	$8,322,996	$77.19	-107,818	61,319	23 Mar 2026	Direct
Steven Conine	W	Class A Common Stock	Sale	-63.8%	$8,330,823	$77.20	-107,919	61,154	23 Mar 2026	Direct
Fiona Tan	W	Restricted Stock Unit ("RSUs")	Award				21,457	21,457	18 Mar 2026	Direct
Kate Gulliver	W	Restricted Stock Unit ("RSU")	Award				17,848	17,848	18 Mar 2026	Direct
Jon Blotner	W	Restricted Stock Unit ("RSU")	Award				18,549	18,549	18 Mar 2026	Direct
Michael A. Kumin	W	Class A Common Stock	Award	1%			3,176	319,753	05 Mar 2026	Direct
Diana Frost	W	Class A Common Stock	Award	61.9%			3,176	8,304	05 Mar 2026	Direct
Jeffrey G. Naylor	W	Class A Common Stock	Award	10.6%			3,176	33,052	05 Mar 2026	Direct
Michael A. Kumin	W	Class A Common Stock	Award	1.22%			3,176	263,753	05 Mar 2026	Direct
Steven Conine	W	Class A Common Stock	Sale	-13.8%	$2,125,377	$78.86	-26,950	169,073	26 Feb 2026	Direct
Niraj Shah	W	Class A Common Stock	Sale	-13.8%	$2,129,850	$78.88	-27,000	169,137	26 Feb 2026	Direct
Steven Conine	W	Class A Common Stock	Sale	-32.2%	$6,944,261	$74.63	-93,050	196,023	23 Feb 2026	Direct
Niraj Shah	W	Class A Common Stock	Sale	-32.2%	$6,940,214	$74.63	-93,000	196,137	23 Feb 2026	Direct
Fiona Tan	W	Class A Common Stock	Gift	5.68%			11,370	211,698	23 Feb 2026	By Revocable Trust
Fiona Tan	W	Class A Common Stock	Gift	-100%			-11,370	0	23 Feb 2026	Direct
Diana Frost	W	Class A Common Stock	Tax liability	-9.65%			-548	5,128	02 Feb 2026	Direct

^* marks a reported price that did not pass the local price check.