$TW

$119.67 -$3.78 (3.06%) Close

$TW Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 212.5M shares outstanding

Who owns TW?

By type of holder

Institutions 54.8% Insiders 0.0% Everyone else 45.2%

Concentration Top 10 holders own 215.7%

London Stock Exchange Group plc 56.4% · Refinitiv Parent Limited 56.4%

Institutional ownership

54.8%

-0.0 pts vs last qtr

Institutional holders

562

-24 vs last qtr

Net shares bought

−13.3K

by institutions in Q2 2026

New / sold out

70 / 94

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Carmignac Gestion +1.6M
Norges Bank NEW +1.5M

Biggest sellers in Q2 2026

Linonia Partnership LP SOLD OUT −2.8M
Cantillon Capital Management LLC −2.3M

Who is planning to sell?

Notices of proposed sale, last 12 months

$44.5M

17 notices from 9 people

Shares covered

380.1K

0.18% of the company

Arranged in advance

95%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

William Hult Director 10b5-1 $22.9M
Sara Furber Officer 10b5-1 $8.12M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2025

−0.3%

−0.04% a year

Each share's claim on the business

+0.3%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$373M vs $466M

over 8 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years67% 3–5 years14% 1–3 years9% Under 1 year10%

Quarterly turnover

14.1%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting TW on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
PT Price T Rowe Associates Inc /MD/	16.4M	7.71%	+1.4M (+9.6%)	≤2021	0.2%
Shares held by quarter Peak holding16.4M (Q2'26) Change over 8 quarters+5.3M Share of the company7.710% Price T Rowe Associates Inc /MD/'s full portfolio →
WM Wellington Management Group LLP	6.2M	2.92%	−1.3M (−17.3%)	≤2021	0.1%
Shares held by quarter Peak holding10.3M (Q3'24) Change over 8 quarters−4.1M Share of the company2.920% Wellington Management Group LLP's full portfolio →

Price T Rowe Associates Inc /MD/

16.4M

% of company

7.71%

Change vs last qtr

+1.4M (+9.6%)

Held since

≤2021

Wellington Management Group LLP

6.2M

% of company

2.92%

Change vs last qtr

−1.3M (−17.3%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Tradeweb Markets Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting TW on Form N-PORT; together they hold 21.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$367M	3.7M	1.73%	0.02%	June 30, 2026
GF Growth Fund of America Growth Fund of America	$271M	2.7M	1.27%	0.08%	May 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$367M

% of company

1.73%

% of the fund

0.02%

As of

June 30, 2026

Growth Fund of America

Position value

$271M

% of company

1.27%

% of the fund

0.08%

As of

May 31, 2026

23 more funds behind a free account

See every fund holding Tradeweb Markets Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
LS London Stock Exchange Group plc 5%+ holder 13D · 50.8%	119.9M	56.44%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company56.440% Disclosed stake13D · 50.8% View the 13D/G filing →
RP Refinitiv Parent Limited 5%+ holder 13D · 50.8%	119.9M	56.44%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company56.440% Disclosed stake13D · 50.8% View the 13D/G filing →

London Stock Exchange Group plc

5%+ holder13D · 50.8%

119.9M

% of company

56.44%

Change vs last qtr

—

Held since

—

Refinitiv Parent Limited

5%+ holder13D · 50.8%

119.9M

% of company

56.44%

Change vs last qtr

—

Held since

—

5 more holders behind a free account

See every insider and 5%+ holder of Tradeweb Markets Inc.

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