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X4 Pharmaceuticals, Inc

XFOR
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001501697

In the last 90 days, X4 Pharmaceuticals, Inc insiders filed 0 open-market purchases and 2 sales; 89 institutions reported holding it in 13F filings for Q2 2026, worth $463.0M in total; no superinvestor holds it.

Q4 2023 vs. Q3 2023

How the institutions holding X4 Pharmaceuticals, Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of XFOR: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders91193+3
Shares112.4M12.6K96.8M−15.6M (−13.9%)
Value$122.6M$13.8K$81.2M−$41.4M (−33.8%)

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (17)

Institutions that held X4 Pharmaceuticals, Inc at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to XFOR in Q4 2023
InstitutionSharesValue% of portfolio
Propel Bio Management, LLC535,000$448.6K0.37%
Acadian Asset Management LLC181,609$152.0K0.00%
Virtu Financial LLC127,718$107.0K0.01%
Knott David M Jr119,300$100.0K0.04%
Amundi81,305$66.8K0.00%
XTX Topco Ltd69,086$57.9K0.01%
Squarepoint Ops LLC64,763$54.3K0.00%
Bayesian Capital Management, LP39,400$33.0K0.00%
State Board of Administration of Florida Retirement System31,979$26.8K0.00%
Walleye Capital LLC29,616$24.8K0.00%
HRT Financial LP17,084$14.0K0.00%
Pathstone Holdings, LLC12,637$10.6K0.00%
StoneX Group Inc.11,751$9.85K0.00%
Mission Wealth Management, LP10,000$8.38K0.00%
Lazari Capital Management, Inc.10,000$8.38K0.00%
ICA Group Wealth Management, LLC2,575$2.16K0.00%
Raelipskie Partnership1,000$8390.00%

Sold out (14)

Institutions that held X4 Pharmaceuticals, Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of XFOR in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Polar Capital Holdings Plc7,500,000$8.18M
Tri Locum Partners LP6,247,500$6.81M
Stonepine Capital Management, LLC5,273,685$5.75M
Monashee Investment Management LLC427,265$465.7K
Verition Fund Management LLC88,395$96.4K
MetLife Investment Management65,421$71.3K
Deutsche Bank AG61,227$66.7K
Manufacturers Life Insurance Company, The51,592$56.2K
Two Sigma Securities, LLC32,337$35.2K
Wolverine Trading, LLC14,746$16.1K
Marshall Wace, LLP12,890$14.1K
Total Clarity Wealth Management, Inc.11,532$12.6K
1620 Investment Advisors, Inc.10,000$10.9K
Metropolitan Life Insurance Co6,779$7.39K

Not filed for Q4 2023 yet (1)

Institutions that held X4 Pharmaceuticals, Inc at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding XFOR in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Pathstone Family Office, LLC12,637$13.8K