X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share (XFOR)

Q: What does CUSIP 98420X103 represent in this 13F holders report?

CUSIP 98420X103 is the security identifier for XFOR - X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held XFOR - X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share in Q4 2019?

53 institutional investors reported XFOR - X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share for Q4 2019. Use the holders table for investor-level position and value details.

CUSIP: 98420X103

Q4 2019 13F Holders as of 31 Dec 2019

Type / Class: Equity / Common Stock, par value $0.001 per share
Shares outstanding: 7,938,059
Total 13F shares: 11,047,629
Share change: +3,262,512
Total reported value: $118,207,922
Price per share: $10.70
Number of holders: 53
Value change: +$34,786,028
Number of buys: 33
Number of sells: 10

Quarterly Holders Quick Answers

What is CUSIP 98420X103?
CUSIP 98420X103 identifies XFOR - X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share in SEC institutional holdings data.

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Newer quarter: Q1 2020
Previous quarter: Q3 2019

Recent filing periods for CUSIP 98420X103:

Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024

Top shareholders of XFOR - X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
ORBIMED ADVISORS LLC	13F	Company	12%	936,493	$11,903,000	—	30 Sep 2019	13F
FMR LLC	13F	Company	11%	900,000	$11,439,000	—	30 Sep 2019	13F
Cormorant Asset Management, LP	13F	Company	11%	881,681	$11,206,000	—	30 Sep 2019	13F
BlackRock Finance, Inc.	13F	Company	8.9%	706,907	$8,984,000	—	30 Sep 2019	13F
BVF INC/IL	13F	Company	7.5%	593,474	$7,543,000	—	30 Sep 2019	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	7.1%	563,741	$7,165,000	—	30 Sep 2019	13F
VANGUARD GROUP INC	13F	Company	6.8%	541,925	$6,888,000	—	30 Sep 2019	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	6%	478,107	$6,077,000	—	30 Sep 2019	13F
NEA Management Company, LLC	13F	Company	4.2%	333,333	$4,237,000	—	30 Sep 2019	13F
Polaris Venture Management Co. V, L.L.C.	13F	Company	3.9%	311,492	$3,959,000	—	30 Sep 2019	13F
SV Health Investors, LLC	13F	Company	3.9%	311,490	$3,957,000	—	30 Sep 2019	13F
New Leaf Venture Partners, L.L.C.	13F	Company	3.6%	285,000	$3,622,000	—	30 Sep 2019	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	2.4%	188,625	$2,397,000	—	30 Sep 2019	13F
STATE STREET CORP	13F	Company	1.8%	142,007	$1,805,000	—	30 Sep 2019	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.4%	114,532	$1,455,000	—	30 Sep 2019	13F
NORTHERN TRUST CORP	13F	Company	1.4%	114,168	$1,451,000	—	30 Sep 2019	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.6%	47,391	$602,000	—	30 Sep 2019	13F
Nuveen Asset Management, LLC	13F	Company	0.41%	32,187	$409,000	—	30 Sep 2019	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.4%	31,445	$400,000	—	30 Sep 2019	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.36%	28,285	$360,000	—	30 Sep 2019	13F
Bank of New York Mellon Corp	13F	Company	0.34%	27,065	$344,000	—	30 Sep 2019	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.29%	22,935	$292,000	—	30 Sep 2019	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.26%	20,403	$259,000	—	30 Sep 2019	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.23%	18,495	$235,000	—	30 Sep 2019	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.19%	14,845	$189,000	—	30 Sep 2019	13F
Russell Investments Group, Ltd.	13F	Company	0.13%	10,490	$133,000	—	30 Sep 2019	13F
UBS Group AG	13F	Company	0.11%	9,059	$115,000	—	30 Sep 2019	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	0.11%	8,700	$111,000	—	30 Sep 2019	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.09%	7,495	$95,000	—	30 Sep 2019	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.09%	7,232	$92,000	—	30 Sep 2019	13F
MORGAN STANLEY	13F	Company	0.08%	6,519	$83,000	—	30 Sep 2019	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.08%	6,104	$78,000	—	30 Sep 2019	13F
BARCLAYS PLC	13F	Company	0.07%	5,852	$74,000	—	30 Sep 2019	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	0.06%	4,958	$63,000	—	30 Sep 2019	13F
JPMORGAN CHASE & CO	13F	Company	0.05%	3,891	$49,000	—	30 Sep 2019	13F
DEUTSCHE BANK AG\	13F	Company	0.05%	3,827	$47,000	—	30 Sep 2019	13F
STRS OHIO	13F	Company	0.04%	3,100	$39,000	—	30 Sep 2019	13F
Flinton Capital Management LLC	13F	Company	0.03%	2,482	$32,000	—	30 Sep 2019	13F
Tyers Asset Management LLC	13F	Company	0.03%	2,044	$26,000	—	30 Sep 2019	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.03%	1,990	$25,000	—	30 Sep 2019	13F
Legal & General Group Plc	13F	Company	0.02%	1,981	$25,000	—	30 Sep 2019	13F
Neuburgh Advisers LLC	13F	Company	0.02%	1,606	$20,000	—	30 Sep 2019	13F
Meadow Creek Investment Management LLC	13F	Company	0.01%	1,168	$15,000	—	30 Sep 2019	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0.01%	1,060	$13,473	—	30 Sep 2019	13F
BANK OF MONTREAL /CAN/	13F	Company	0.01%	1,041	$13,000	—	30 Sep 2019	13F
Ameritas Investment Partners, Inc.	13F	Company	0.01%	987	$13,000	—	30 Sep 2019	13F
CITIGROUP INC	13F	Company	0.01%	588	$7,000	—	30 Sep 2019	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.01%	485	$6,000	—	30 Sep 2019	13F
ROYAL BANK OF CANADA	13F	Company	0%	272	$3,000	—	30 Sep 2019	13F

Institutional Holders of X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share (XFOR) as of Q4 2019

As of 31 Dec 2019, X4 Pharmaceuticals, Inc - Common Stock, par value $0.001 per share (XFOR) was held by 53 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 11,047,629 shares. The largest 10 holders included Bain Capital Life Sciences Investors, LLC, BVF INC/IL, ORBIMED ADVISORS LLC, FMR LLC, BlackRock Inc., VANGUARD GROUP INC, SPHERA FUNDS MANAGEMENT LTD., DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), EcoR1 Capital, LLC, and New Leaf Venture Partners, L.L.C.. This page lists 53 institutional shareholders reporting positions in this security for the Q4 2019 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2019 vs Q3 2019 Across Filers

Q3 2019 holders

Q4 2019 holders

Holder diff

Investor	Q3 2019 Shares	Q4 2019 Shares	Share Diff	Share Chg %	Q3 2019 Value $	Q4 2019 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.