SEC 13F Intelligence

CLOUDFLARE INC

CUSIP 18915M957

Cloudflare Inc has 1 institutional holders in Filings Flow’s 13F database, together reporting 17.1K shares worth $4M as of Q1 2026. The largest reported holders are Imc-Chicago, LLC, Sg Americas Securities, LLC, and Simplex Trading, LLC.

Institutional Holders
1
Q1 2026
Reported Value
$4M
Ticker
unmapped
private placement or foreign
Quarters Tracked
8

Ownership Trend

Institutional holders
Q3 ’21: 1Q3 ’21Q4 ’21: 1Q4 ’21Q1 ’22: 1Q1 ’22Q2 ’23: 1Q2 ’23Q3 ’23: 1Q3 ’23Q3 ’25: 2Q3 ’25Q4 ’25: 1Q4 ’25Q1 ’26: 1Q1 ’26filingsflow.com
Total reported value
Q3 ’21: $2MQ3 ’21Q4 ’21: $2MQ4 ’21Q1 ’22: $586,000Q1 ’22Q2 ’23: $777,000Q2 ’23Q3 ’23: $233,000Q3 ’23Q3 ’25: $931,525Q3 ’25Q4 ’25: $4MQ4 ’25Q1 ’26: $4MQ1 ’26filingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
IMC-Chicago, LLC$278.4B AUM0.03%$97M469.8KQ1 2026
SG Americas Securities, LLC$92.9B AUM0.10%$92M1.01MQ1 2026
SIMPLEX TRADING, LLC$149.1B AUM0.02%$30M144.1KQ1 2026
Optiver Holding B.V.$289.5B AUM0.01%$28M138.1KQ1 2026
SUMMIT SECURITIES GROUP LLC$810M AUM1.25%$6M28.1KQ3 2025OLDER
GROUP ONE TRADING LLC$52.2B AUM0.01%$6M28.2KQ1 2026
HRT FINANCIAL LP$40.1B AUM0.01%$4M17.1KQ1 2026
Capital Markets Trading UK LLP$8.0B AUM0.03%$2M9.7KQ1 2026
JPMORGAN CHASE & CO$1.56T AUM0.00%$253,0191.3KQ1 2026
Corient Private Wealth LLC$69.9B AUM0.00%$9,52510.0KQ3 2025OLDER
CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM$00Q2 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.