SEC 13F Intelligence

X4 PHARMACEUTICALS INC

CUSIP 98420X103

X4 Pharmaceuticals Inc has 2 institutional holders in Filings Flow’s 13F database, together reporting 3.47M shares worth $14M as of Q1 2026. The largest reported holders are Nea Management Company, LLC, Acorn Capital Advisors, LLC, and Royal Bank Of Canada.

Institutional Holders
2
Q1 2026
Reported Value
$14M
Ticker
unmapped
private placement or foreign
Quarters Tracked
28

Ownership Trend

Institutional holders
Q1 ’19: 19Q1 ’19Q2 ’19: 27Q3 ’19: 31Q1 ’20: 34Q2 ’20: 40Q2 ’20Q3 ’20: 37Q4 ’20: 39Q1 ’21: 47Q2 ’21: 50Q2 ’21Q3 ’21: 39Q4 ’21: 40Q1 ’22: 47Q2 ’22: 39Q2 ’22Q3 ’22: 47Q4 ’22: 43Q1 ’23: 50Q2 ’23: 82Q2 ’23Q3 ’23: 78Q4 ’23: 78Q1 ’24: 86Q2 ’24: 89Q2 ’24Q3 ’24: 88Q4 ’24: 81Q1 ’25: 84Q2 ’25: 2Q2 ’25Q3 ’25: 3Q4 ’25: 3Q1 ’26: 2filingsflow.com
Total reported value
Q1 ’19: $23MQ1 ’19Q2 ’19: $67MQ3 ’19: $70MQ1 ’20: $75MQ2 ’20: $66MQ2 ’20Q3 ’20: $50MQ4 ’20: $48MQ1 ’21: $102MQ2 ’21: $99MQ2 ’21Q3 ’21: $76MQ4 ’21: $37MQ1 ’22: $27MQ2 ’22: $14MQ2 ’22Q3 ’22: $61MQ4 ’22: $66MQ1 ’23: $49MQ2 ’23: $189MQ2 ’23Q3 ’23: $102MQ4 ’23: $72MQ1 ’24: $125MQ2 ’24: $52MQ2 ’24Q3 ’24: $53MQ4 ’24: $60MQ1 ’25: $21MQ2 ’25: $1MQ2 ’25Q3 ’25: $9MQ4 ’25: $14MQ1 ’26: $14Mfilingsflow.com

Holders

Mixed quarters
Export to Excel
Manager% of PortfolioValueSharesQuarter
NEA Management Company, LLC$1.8B AUM0.76%$13M3.23MQ1 2026
ACORN CAPITAL ADVISORS, LLC$352M AUM0.27%$966,583234.0KQ1 2026
RMG Wealth Management LLC$866M AUM0.00%$6428Q4 2025OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$4,00015.4KQ3 2025OLDER

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