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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 3 sales; 89 institutions reported holding it in 13F filings for Q2 2026, worth $463.0M in total; no superinvestor holds it.

13F holders, Q1 2024

Institutional positions in X4 Pharmaceuticals, Inc as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
98
+5 vs. Q4 2023
Shares held
103.0M
+6.20M (+6.4%) vs. Q4 2023
Total value
$143.2M
+$62.0M (+76.4%) vs. Q4 2023
New holders
16
23 more added
Sold out
11
24 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting XFOR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 98 institutions
Q1 2021: 61 institutionsQ2 2021: 63 institutionsQ3 2021: 52 institutionsQ4 2021: 52 institutionsQ1 2022: 56 institutionsQ2 2022: 51 institutionsQ3 2022: 59 institutionsQ4 2022: 54 institutionsQ1 2023: 59 institutionsQ2 2023: 96 institutionsQ3 2023: 91 institutionsQ4 2023: 93 institutionsQ1 2024: 98 institutionsQ2 2024: 99 institutionsQ3 2024: 98 institutionsQ4 2024: 90 institutionsQ1 2025: 94 institutionsQ2 2025: 52 institutionsQ3 2025: 42 institutionsQ4 2025: 79 institutionsQ1 2026: 84 institutionsQ2 2026: 89 institutions
Value heldQ1 2024: $143.2M
Q1 2021: $138.7MQ2 2021: $107.8MQ3 2021: $85.7MQ4 2021: $40.2MQ1 2022: $28.6MQ2 2022: $15.5MQ3 2022: $66.9MQ4 2022: $60.2MQ1 2023: $53.6MQ2 2023: $219.1MQ3 2023: $122.6MQ4 2023: $81.2MQ1 2024: $143.2MQ2 2024: $58.9MQ3 2024: $67.3MQ4 2024: $73.2MQ1 2025: $23.3MQ2 2025: $5.33MQ3 2025: $55.3MQ4 2025: $357.7MQ1 2026: $388.1MQ2 2026: $463.0M
Institutions holding XFOR and their total value by quarter
QuarterHoldersValue
Q2 202689$463.0M
Q1 202684$388.1M
Q4 202579$357.7M
Q3 202542$55.3M
Q2 202552$5.33M
Q1 202594$23.3M
Q4 202490$73.2M
Q3 202498$67.3M
Q2 202499$58.9M
Q1 202498$143.2M
Q4 202393$81.2M
Q3 202391$122.6M
Q2 202396$219.1M
Q1 202359$53.6M
Q4 202254$60.2M
Q3 202259$66.9M
Q2 202251$15.5M
Q1 202256$28.6M
Q4 202152$40.2M
Q3 202152$85.7M
Q2 202163$107.8M
Q1 202161$138.7M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q4 2023.

Institutions holding XFOR in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC7$00.00%+7New
Frazier Financial Advisors, LLC10$140.00%+10New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC22$300.00%+22New
Cubist Systematic Strategies, LLC469$6520.00%−1,143−70.9%Reduced
Raelipskie Partnership1,000$1.39K0.00%00.0%Unchanged
Clearstead Advisors, LLC2,100$2.05K0.00%00.0%Unchanged
FMR LLC2,531$3.52K0.00%+1,792+242.5%Added
ICA Group Wealth Management, LLC2,750$3.82K0.00%+175+6.8%Added
Royal Bank of Canada2,861$4.00K0.00%−36,460−92.7%Reduced
Federation des caisses Desjardins du Quebec4,000$5.56K0.00%00.0%Unchanged
Amalgamated Bank4,152$6.00K0.00%−9,934−70.5%Reduced
Ronald Blue Trust, Inc.8,520$11.8K0.00%00.0%Unchanged
PEAK6 Investments LLC10,000$13.9K0.00%00.0%Unchanged
Lazari Capital Management, Inc.10,000$13.9K0.01%00.0%Unchanged
1620 Investment Advisors, Inc.10,000$13.9K0.01%+10,000New
Ameritas Investment Partners, Inc.10,167$14.1K0.00%00.0%Unchanged
Legal & General Group Plc11,326$15.7K0.00%00.0%Unchanged
LPL Financial LLC11,500$16.0K0.00%00.0%Unchanged
California State Teachers Retirement System12,593$17.5K0.00%−7,672−37.9%Reduced
Pathstone Holdings, LLC12,637$17.6K0.00%00.0%Unchanged
Boston Private Wealth LLC13,000$18.1K0.00%+13,000New
Total Clarity Wealth Management, Inc.13,681$19.0K0.01%+13,681New
Principal Financial Group Inc13,691$19.0K0.00%−2,935−17.7%Reduced
Holistic Planning, LLC13,800$19.2K0.01%+13,800New
HSBC Holdings PLC14,125$19.6K0.00%+14,125New
Grimes & Company, Inc.15,000$20.9K0.00%00.0%Unchanged
Victory Capital Management Inc15,953$22.2K0.00%−1,126−6.6%Reduced
LexAurum Advisors, LLC16,000$22.2K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)16,209$22.5K0.00%+3,871+31.4%Added
Bleichroeder LP17,865$24.8K0.01%00.0%Unchanged
Cassady Schiller Wealth Management, LLC20,000$27.8K0.01%+20,000New
SG Americas Securities, LLC20,822$29.0K0.00%−26,846−56.3%Reduced
Group One Trading, L.P.21,246$29.5K0.00%−49,518−70.0%Reduced
Private Advisor Group, LLC21,800$30.3K0.00%00.0%Unchanged
ProShare Advisors LLC22,507$31.3K0.00%+2,129+10.4%Added
Commonwealth Equity Services, LLC25,100$35.0K0.00%00.0%Unchanged
Resources Investment Advisors, LLC.28,473$39.6K0.00%+2,672+10.4%Added
Two Sigma Securities, LLC29,507$41.0K0.00%+29,507New
The PNC Financial Services Group, Inc.30,158$41.9K0.00%00.0%Unchanged
AQR Capital Management LLC35,927$49.9K0.00%−128,415−78.1%Reduced
Pale Fire Capital SE38,066$52.9K0.01%+38,066New
Price T Rowe Associates Inc39,307$55.0K0.00%+12,514+46.7%Added
Voya Investment Management LLC40,598$56.4K0.00%−8,662−17.6%Reduced
Wells Fargo & Company40,964$56.9K0.00%+5,940+17.0%Added
Vontobel Holding Ltd.45,000$62.5K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC45,000$63.5K0.00%00.0%Unchanged
Alliancebernstein L.P.45,680$63.5K0.00%00.0%Unchanged
Walleye Capital LLC47,573$66.1K0.00%+17,957+60.6%Added
JPMorgan Chase & Co51,127$71.1K0.00%−28,678−35.9%Reduced
New York State Common Retirement Fund51,551$71.7K0.00%00.0%Unchanged
Deutsche Bank AG52,789$73.4K0.00%+52,789New
Dimensional Fund Advisors LP55,296$76.9K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA61,575$85.6K0.00%−221,969−78.3%Reduced
American International Group, Inc.61,735$85.8K0.00%+537+0.9%Added
Amundi81,305$97.6K0.00%00.0%Unchanged
Lighthouse Investment Partners, LLC70,422$97.9K0.01%+70,422New
Jane Street Group, LLC77,452$107.7K0.00%−51,822−40.1%Reduced
Stifel Financial Corp86,225$119.9K0.00%−4,227−4.7%Reduced
Invesco Ltd.98,622$137.1K0.00%+2,196+2.3%Added
Bank of America Corp102,712$142.8K0.00%−110,176−51.8%Reduced
Citigroup Inc127,051$176.6K0.00%+109,421+620.7%Added
UBS Group AG129,084$179.4K0.00%+127,859+10,437.5%Added
Rhumbline Advisers163,415$227.1K0.00%+3,045+1.9%Added
Knott David M Jr180,993$252.0K0.09%+61,693+51.7%Added
Millennium Management LLC258,759$359.7K0.00%−1,405,558−84.5%Reduced
Gsa Capital Partners LLP321,021$446.0K0.04%−624,150−66.0%Reduced
Charles Schwab Investment Management Inc323,843$450.1K0.00%00.0%Unchanged
New Leaf Venture Partners, L.L.C.335,000$465.6K0.41%00.0%Unchanged
Bank of New York Mellon Corp335,974$467.0K0.00%−9,980−2.9%Reduced
Royce & Associates LP342,363$475.9K0.00%−46,000−11.8%Reduced
Simplify Asset Management Inc.400,000$556.0K0.05%00.0%Unchanged
Nuveen Asset Management, LLC438,114$609.0K0.00%00.0%Unchanged
Barclays PLC448,708$623.7K0.00%−80,893−15.3%Reduced
Susquehanna International Group, LLP502,665$698.7K0.00%+99,744+24.8%Added
Propel Bio Management, LLC535,000$743.6K0.43%00.0%Unchanged
Point72 Asset Management, L.P.650,000$903.5K0.00%00.0%Unchanged
Citadel Advisors LLC762,854$1.06M0.00%−965,211−55.9%Reduced
Parkman Healthcare Partners LLC805,359$1.12M0.14%+38,027+5.0%Added
Schonfeld Strategic Advisors LLC915,000$1.27M0.01%+365,700+66.6%Added
Northern Trust Corp1,054,488$1.47M0.00%−8,497−0.8%Reduced
Goldman Sachs Group Inc1,058,930$1.47M0.00%+986,142+1,354.8%Added
UBS Oconnor LLC1,335,521$1.86M0.05%−407,517−23.4%Reduced
Morgan Stanley1,406,425$1.95M0.00%+1,005,051+250.4%Added
Avidity Partners Management LP2,413,000$3.35M0.12%+2,413,000New
Ensign Peak Advisors, Inc2,435,426$3.39M0.01%+2,435,426New
State Street Corp2,523,555$3.51M0.00%+95,766+3.9%Added
Geode Capital Management, LLC2,945,424$4.09M0.00%+142,975+5.1%Added
AXA S.A.3,074,372$4.27M0.01%+8400.0%Added
Kingdon Capital Management, L.L.C.3,473,683$4.83M0.64%00.0%Unchanged
Perceptive Advisors LLC3,545,454$4.93M0.09%00.0%Unchanged
Sio Capital Management, LLC3,588,427$4.99M1.74%00.0%Unchanged
Adage Capital Partners GP, L.L.C.4,276,315$5.94M0.01%00.0%Unchanged
Soleus Capital Management, L.P.4,579,926$6.37M0.56%+4,579,926New
OrbiMed Advisors LLC7,133,515$9.92M0.19%00.0%Unchanged
Vanguard Group Inc7,827,727$10.9M0.00%−181,138−2.3%Reduced
BlackRock Inc.8,735,867$12.1M0.00%+318,343+3.8%Added
NEA Management Company, LLC14,986,793$20.8M1.29%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC16,915,784$23.5M1.89%00.0%Unchanged
Armistice Capital, LLC0$00.00%−1,936,000−100.0%Sold out
Acadian Asset Management LLC0$00.00%−181,609−100.0%Sold out