Informa PLC (LSE:INF) — Market Cap & Net Worth

$135.84 Million USD · GBX1.12 Trillion GBX · Rank #18119

Market Cap & Net Worth: Informa PLC (INF)

Informa PLC (LSE:INF) has a market capitalization of $135.84 Million (GBX1.12 Trillion) as of September 16, 2026. Listed on the LSE stock exchange, this UK-based company holds position #18119 globally and #96 in its home market, demonstrating a -1.00% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Informa PLC's stock price GBX893.20 by its total outstanding shares 1249935065 (1.25 Billion). Also see INF current and non-current assets for a full breakdown of the balance sheet.

Informa PLC Market Cap History: 2015 to 2026

Informa PLC's market capitalization history from 2015 to 2026. Data shows growth from $70.56 Million to $135.84 Million (6.68% CAGR). Also see Informa PLC operating cash flow efficiency for how efficiently the company converts equity into cash flow.

Index Memberships

Informa PLC is a constituent of 5 market indices:

Index	Total Market Cap	Weight (%)	Rank by Market Cap
FTSE All-Share FTAS	$64.22 Billion	0.21%	#52 of 573
FTSE 350 FTLC	$64.15 Billion	0.21%	#52 of 350
FTSE 100 Index (UK) FTSE	$54.45 Billion	0.25%	#47 of 100
STOXX Europe Mid 200 EUR Price MCXP	$1.48 Trillion	0.01%	#102 of 157
STOXX Europe Mid 200 EUR Net Return MCXR	$1.48 Trillion	0.01%	#102 of 157

Weight: Informa PLC's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Informa PLC Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Informa PLC's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Check Informa PLC (INF) share price today for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

0.03x

Informa PLC's market cap is 0.03 times its annual revenue

Industry average: 0.22x Lower than industry average

Latest Price to Earnings (P/E) Ratio

12.22x

Informa PLC's market cap is 12.22 times its annual earnings

Industry average: 19.56x Lower than industry average

What These Ratios Tell Investors:

Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
Industry comparison provides context for whether the company is valued higher or lower than peers.

Year	Market Cap (USD)	Revenue (USD)	Net Income (USD)	P/S Ratio	P/E Ratio
2016	$87.85 Million	$1.34 Billion	$171.60 Million	0.07x	0.51x
2017	$96.08 Million	$1.76 Billion	$311.30 Million	0.05x	0.31x
2018	$86.21 Million	$2.37 Billion	$207.90 Million	0.04x	0.41x
2019	$120.55 Million	$2.89 Billion	$225.50 Million	0.04x	0.53x
2020	$79.82 Million	$1.66 Billion	-$1.04 Billion	0.05x	N/A
2021	$75.11 Million	$1.58 Billion	$77.90 Million	0.05x	0.96x
2022	$90.54 Million	$2.26 Billion	-$108.80 Million	0.04x	N/A
2023	$116.18 Million	$3.19 Billion	$419.00 Million	0.04x	0.28x
2024	$121.42 Million	$3.55 Billion	$297.70 Million	0.03x	0.41x
2025	$134.44 Million	$4.04 Billion	$11.00 Million	0.03x	12.22x

Competitor Companies of INF by Market Capitalization

Companies near Informa PLC in the global market cap rankings as of September 16, 2026. Review tangible equity quality of Informa PLC to assess the quality of the company's equity after excluding intangible assets.

Key companies related to Informa PLC by market ranking:

New York Times Company (NYSE:NYT): Ranked #2154 globally with a market cap of $10.45 Billion USD.
Pearson plc (F:PESA): Ranked #2757 globally with a market cap of $7.47 Billion USD ( €6.39 Billion EUR).
Schibsted ASA B (OL:SCHB): Ranked #3885 globally with a market cap of $4.37 Billion USD ( Nkr41.56 Billion NOK).
Springer Nature AG & Co KGaA (F:SPG): Ranked #4110 globally with a market cap of $4.00 Billion USD ( €3.42 Billion EUR).

Market capitalization comparison (in billions USD)

Rank	Company	Symbol	Market Cap	Price
#2154	New York Times Company	NYSE:NYT	$10.45 Billion	$71.71
#2757	Pearson plc	F:PESA	$7.47 Billion	€13.90
#3885	Schibsted ASA B	OL:SCHB	$4.37 Billion	Nkr321.80
#4110	Springer Nature AG & Co KGaA	F:SPG	$4.00 Billion	€20.20

Informa PLC Historical Marketcap From 2015 to 2026

Between 2015 and today, Informa PLC's market cap moved from $70.56 Million to $ 135.84 Million, with a yearly change of 6.68%.

Year	Market Cap	Change (%)
2026	GBX135.84 Million	+1.04%
2025	GBX134.44 Million	+10.72%
2024	GBX121.42 Million	+4.51%
2023	GBX116.18 Million	+28.31%
2022	GBX90.54 Million	+20.55%
2021	GBX75.11 Million	-5.90%
2020	GBX79.82 Million	-33.78%
2019	GBX120.55 Million	+39.83%
2018	GBX86.21 Million	-10.27%
2017	GBX96.08 Million	+9.36%
2016	GBX87.85 Million	+24.50%
2015	GBX70.56 Million	--

End of Day Market Cap According to Different Sources

On Sep 16th, 2026 the market cap of Informa PLC was reported to be:

Source	Market Cap
Yahoo Finance	$135.84 Million USD
MoneyControl	$135.84 Million USD
MarketWatch	$135.84 Million USD
marketcap.company	$135.84 Million USD
Reuters	$135.84 Million USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Informa PLC

LSE:INF UK Publishing

Market Cap

$135.84 Million

GBX1.12 Trillion GBX

Market Cap Rank

#18119 Global

#96 in UK

Share Price

GBX893.20

Change (1 day)

-1.13%

52-Week Range

GBX739.80 - GBX993.40

All Time High

GBX993.40