TWTradeweb Markets Inc. Class A Common Stock

CSNasdaq (XNAS)·USD

Identity

Security key: 22879
Ticker: TW
Type: CS — Common Stock
Exchange: Nasdaq(XNAS)
Venue group: NASDAQ
Operating MIC: XNAS
Market: stocks
Locale: us
Currency: USD
Listed: 2019-04-04
Round lot: 100
Active: Yes
Last seen in a load: 2026-08-14 20:49
Vendor updated: 2026-08-13 06:09
Ticker root / suffix: TW

Detail

Enriched 2026-08-14 20:47

Market cap: $21,924,147,264.48
Shares outstanding (class): 114,038,202
Shares outstanding (weighted): 210,971,394
SIC: 6200 SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES
Employees: 1,569
Location: NEW YORK, NY
Homepage: https://www.tradeweb.com
Description: Founded in 1998 and headquartered in New York City, Tradeweb Markets is a leading fixed-income trading platform. While it does offer electronic processing for some voice-negotiated trades, the company focuses primarily on providing electronic trading networks that connect broker/dealers, institutional clients, and retail customers. While the company offers trading in a wide variety of products, the bulk of its business is in US and European government debt, mortgage-backed securities, interest-rate swaps, and US and international corporate bonds. The firm also sells fixed-income trading and price data, primarily through a deal with Refinitiv's Eikon service.

Market cap and share counts drift.

Funds holding this security

247 funds · 253 positions · $3.13B reported value, as of 2026-03-31

All holders →

Fund	Ticker	Position value	% of fund	Balance	Match
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS	VTI	$432.71M	0.02%	3,677,607 NS	FIGI
VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS	VO	$293.89M	0.15%	2,497,786 NS	FIGI
VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS	VUG	$195.16M	0.06%	1,658,695 NS	FIGI
T. Rowe Price Mid-Cap Growth Fund, Inc. T. ROWE PRICE MID-CAP GROWTH FUND, INC.	—	$190.27M	0.84%	1,617,100 NS	FIGI
T. Rowe Price Large-Cap Growth Fund T. Rowe Price Equity Funds, Inc.	—	$177.39M	0.95%	1,507,691 NS	FIGI
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS	VXF	$151.88M	0.19%	1,290,860 NS	FIGI
T. Rowe Price U.S. Large-Cap Core Fund, Inc. T. ROWE PRICE U.S. LARGE-CAP CORE FUND, INC.	—	$129.97M	0.79%	1,104,605 NS	FIGI
VANGUARD MID-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS	VOT	$103.51M	0.35%	879,706 NS	FIGI
Franklin Growth Fund Franklin Custodian Funds	—	$100.96M	0.63%	858,052 NS	FIGI
T. Rowe Price Communications & Technology Fund T. ROWE PRICE COMMUNICATIONS & TECHNOLOGY F…	—	$95.35M	1.18%	810,355 NS	FIGI
Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust	—	$80.35M	0.87%	682,918 NS	FIGI
Champlain MidCap Fund ADVISORS' INNER CIRCLE FUND II	—	$62.01M	2.91%	527,000 NS	FIGI
Bridge Builder Large Cap Growth Fund Bridge Builder Trust	—	$57.31M	0.22%	487,110 NS	FIGI
JPMorgan Mid Cap Growth Fund JPMorgan Trust II	—	$53.84M	0.47%	457,625 NS	FIGI
iShares Russell Mid-Cap ETF iShares Trust	IWR	$52.54M	0.11%	446,500 NS	FIGI

How positions resolve to the securities master. FIGI_COMPOSITE is exact identifier equality — both sides got the FIGI from Bloomberg. TICKER is a narrow fallback used only where the master row carries no FIGI at all (2,389 rows do not, disproportionately Irish-domiciled US listings like LIN and ACN). Roughly 22% of all positions resolve to the master.

Funds holding this security

Identifiers

master.security_identifier

TICKERTW
FIGI_COMPOSITEBBG00NK8H8T2
FIGI_SHARE_CLASSBBG00NK8H9M7
CIK0001758730
ISINUS8926721064
Resolved through OpenFIGI from a holdings ISIN, not supplied by the securities vendor.

Identifiers

Classification

classification.v_security_classification

Asset class: Equity
Sector: Financials
Industry: Capital Markets
Source: LLMunreviewed
Self-reported confidence: 0.95
Model: deepseek
Rationale: Tradeweb is an electronic trading platform for fixed income and derivatives, classified under financial capital markets.

Classifications are unreviewed model output. All 5,771 assignments carry source = LLM and is_reviewed = false. Confidence is the model’s own estimate and is not calibrated — it clustered at 0.90–0.98 across the whole first pass, including rows that later proved wrong. Use it to order a review queue, not as a probability. Two share classes of one issuer can disagree.

Classification

Fund data

Not linked to a fund series.

Either this is not a fund, or it is one the SEC share-class snapshot cannot reach — commodity trusts and notes have no series ID at all.