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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, Q2 2025

Institutional positions in X4 Pharmaceuticals, Inc as of Jun 30, 2025. 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
52
−42 vs. Q1 2025
Shares held
2.80M
−482.5K (−14.7%) vs. Q1 2025Converted for a 1-for-30 split
Total value
$5.33M
−$18.0M (−77.2%) vs. Q1 2025
New holders
11
16 more added
Sold out
53
15 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 52 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 heldQ2 2025: $5.33M
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, Q2 2025

Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q1 2025.

Institutions holding XFOR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
True Wealth Design, LLC3$60.00%+3New
HighMark Wealth Management LLC6$110.00%00.0%UnchangedConverted for a 1-for-30 split
EverSource Wealth Advisors, LLC23$440.00%+22+2,200.0%AddedConverted for a 1-for-30 split
JPMorgan Chase & Co33$630.00%−5,482−99.4%ReducedConverted for a 1-for-30 split
GWM Advisors LLC33$630.00%−0−1.0%ReducedConverted for a 1-for-30 split
Jones Financial Companies LLLP38$700.00%00.0%UnchangedConverted for a 1-for-30 split
IFP Advisors, Inc0$900.00%0New
Clearstead Advisors, LLC64$1220.00%+64New
Raymond James Financial Inc66$1250.00%+66New
Nisa Investment Advisors, LLC139$2640.00%+139New
Federated Hermes, Inc.149$2830.00%+149New
SBI Securities Co., Ltd.216$4100.00%+2+1.0%AddedConverted for a 1-for-30 split
Ronald Blue Trust, Inc.284$5400.00%00.0%UnchangedConverted for a 1-for-30 split
Wells Fargo & Company348$6610.00%−2,370−87.2%ReducedConverted for a 1-for-30 split
Bleichroeder LP595$1.13K0.00%00.0%UnchangedConverted for a 1-for-30 split
BNP Paribas Arbitrage, SA636$1.21K0.00%−6−0.9%ReducedConverted for a 1-for-30 split
Citigroup Inc762$1.45K0.00%−3,317−81.3%ReducedConverted for a 1-for-30 split
SRS Capital Advisors, Inc.1,120$2.13K0.00%+1,120New
TD Waterhouse Canada Inc.1,500$2.81K0.00%00.0%UnchangedConverted for a 1-for-30 split
FMR LLC1,697$3.22K0.00%+326+23.8%AddedConverted for a 1-for-30 split
The PNC Financial Services Group, Inc.1,793$3.41K0.00%+758+73.3%AddedConverted for a 1-for-30 split
CIBC Private Wealth Group, LLC2,166$4.12K0.00%00.0%UnchangedConverted for a 1-for-30 split
CWM, LLC2,414$5.00K0.00%+2,103+676.4%AddedConverted for a 1-for-30 split
Royal Bank of Canada3,085$6.00K0.00%+2,571+499.9%AddedConverted for a 1-for-30 split
Group One Trading, L.P.3,998$7.60K0.00%−1,739−30.3%ReducedConverted for a 1-for-30 split
Tower Research Capital LLC (TRC)5,203$9.89K0.00%+4,185+410.9%AddedConverted for a 1-for-30 split
Russell Investments Group, Ltd.9,727$18.5K0.00%+9,727New
HRT Financial LP10,548$20.0K0.00%+9,399+817.7%AddedConverted for a 1-for-30 split
Morgan Stanley10,924$20.8K0.00%−8,076−42.5%ReducedConverted for a 1-for-30 split
Schonfeld Strategic Advisors LLC11,261$21.4K0.00%+80+0.7%AddedConverted for a 1-for-30 split
Virtu Financial LLC12,587$24.0K0.00%+10,344+461.0%AddedConverted for a 1-for-30 split
State Street Corp15,534$29.5K0.00%−86,302−84.7%ReducedConverted for a 1-for-30 split
Renaissance Technologies LLC17,366$33.0K0.00%+16,696+2,491.9%AddedConverted for a 1-for-30 split
Goldman Sachs Group Inc18,864$35.8K0.00%+9,735+106.6%AddedConverted for a 1-for-30 split
Point72 Asset Management, L.P.21,667$41.2K0.00%00.0%UnchangedConverted for a 1-for-30 split
AQR Capital Management LLC26,382$50.1K0.00%+23,483+810.1%AddedConverted for a 1-for-30 split
Susquehanna International Group, LLP34,821$66.2K0.00%−22,258−39.0%ReducedConverted for a 1-for-30 split
Squarepoint Ops LLC38,982$74.1K0.00%+38,982New
Geode Capital Management, LLC49,146$93.4K0.00%−71,510−59.3%ReducedConverted for a 1-for-30 split
Pale Fire Capital SE60,051$114.1K0.01%−7,794−11.5%ReducedConverted for a 1-for-30 split
Millennium Management LLC78,061$148.3K0.00%+69,436+805.0%AddedConverted for a 1-for-30 split
UBS Oconnor LLC80,000$152.0K0.00%+71,580+850.1%AddedConverted for a 1-for-30 split
Bank of America Corp80,316$152.6K0.00%+77,738+3,015.4%AddedConverted for a 1-for-30 split
Jane Street Group, LLC97,344$185.0K0.00%+97,344New
UBS Group AG109,959$208.9K0.00%−57,947−34.5%ReducedConverted for a 1-for-30 split
Gsa Capital Partners LLP132,724$252.0K0.02%+132,724New
Acorn Capital Advisors, LLC153,730$292.1K0.19%−89,958−36.9%ReducedConverted for a 1-for-30 split
BlackRock, Inc.179,228$340.5K0.00%−201,782−53.0%ReducedConverted for a 1-for-30 split
Vanguard Group Inc231,892$440.6K0.00%−37,025−13.8%ReducedConverted for a 1-for-30 split
Kingdon Capital Management, L.L.C.233,332$443.3K0.09%00.0%UnchangedConverted for a 1-for-30 split
NEA Management Company, LLC499,559$949.2K0.07%00.0%UnchangedConverted for a 1-for-30 split
Bain Capital Life Sciences Investors, LLC563,859$1.07M0.13%00.0%UnchangedConverted for a 1-for-30 split
OrbiMed Advisors LLC0$00.00%−225,884−100.0%Sold outConverted for a 1-for-30 split
Ensign Peak Advisors, Inc0$00.00%−74,522−100.0%Sold outConverted for a 1-for-30 split
Northern Trust Corp0$00.00%−41,794−100.0%Sold outConverted for a 1-for-30 split
AXA S.A.0$00.00%−23,037−100.0%Sold outConverted for a 1-for-30 split
Charles Schwab Investment Management Inc0$00.00%−16,051−100.0%Sold outConverted for a 1-for-30 split
Bank of New York Mellon Corp0$00.00%−11,492−100.0%Sold outConverted for a 1-for-30 split
Deutsche Bank AG0$00.00%−8,921−100.0%Sold outConverted for a 1-for-30 split
Rhumbline Advisers0$00.00%−6,280−100.0%Sold outConverted for a 1-for-30 split
Barclays PLC0$00.00%−6,169−100.0%Sold outConverted for a 1-for-30 split
Simplex Trading, LLC0$00.00%−3,723−100.0%Sold outConverted for a 1-for-30 split
Alliancebernstein L.P.0$00.00%−3,652−100.0%Sold outConverted for a 1-for-30 split
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−3,356−100.0%Sold outConverted for a 1-for-30 split
SG Americas Securities, LLC0$00.00%−3,050−100.0%Sold outConverted for a 1-for-30 split
Price T Rowe Associates Inc0$00.00%−2,767−100.0%Sold outConverted for a 1-for-30 split
Corebridge Financial, Inc.0$00.00%−2,787−100.0%Sold outConverted for a 1-for-30 split
Stifel Financial Corp0$00.00%−2,518−100.0%Sold outConverted for a 1-for-30 split
Voya Investment Management LLC0$00.00%−1,977−100.0%Sold outConverted for a 1-for-30 split
Invesco Ltd.0$00.00%−1,940−100.0%Sold outConverted for a 1-for-30 split
Intech Investment Management LLC0$00.00%−1,932−100.0%Sold outConverted for a 1-for-30 split
XTX Topco Ltd0$00.00%−1,927−100.0%Sold outConverted for a 1-for-30 split
New York State Common Retirement Fund0$00.00%−1,721−100.0%Sold outConverted for a 1-for-30 split
Neuberger Berman Group LLC0$00.00%−1,489−100.0%Sold outConverted for a 1-for-30 split
Cantor Fitzgerald, L. P.0$00.00%−1,342−100.0%Sold outConverted for a 1-for-30 split
CIBC World Markets Corp0$00.00%−1,262−100.0%Sold outConverted for a 1-for-30 split
ProShare Advisors LLC0$00.00%−1,231−100.0%Sold outConverted for a 1-for-30 split
Police & Firemen's Retirement System of New Jersey0$00.00%−1,126−100.0%Sold outConverted for a 1-for-30 split
Wealth Enhancement Advisory Services, LLC0$00.00%−1,111−100.0%Sold outConverted for a 1-for-30 split
Colony Group, LLC0$00.00%−866−100.0%Sold outConverted for a 1-for-30 split
Commonwealth Equity Services, LLC0$00.00%−842−100.0%Sold outConverted for a 1-for-30 split
JustInvest LLC0$00.00%−840−100.0%Sold outConverted for a 1-for-30 split
Ameriprise Financial Inc0$00.00%−741−100.0%Sold outConverted for a 1-for-30 split
Mariner, LLC0$00.00%−676−100.0%Sold outConverted for a 1-for-30 split
HSBC Holdings PLC0$00.00%−664−100.0%Sold outConverted for a 1-for-30 split
Legal & General Group Plc0$00.00%−620−100.0%Sold outConverted for a 1-for-30 split
Private Advisor Group, LLC0$00.00%−617−100.0%Sold outConverted for a 1-for-30 split
Wealthcare Capital Partners, LLC0$00.00%−595−100.0%Sold outConverted for a 1-for-30 split
LexAurum Advisors, LLC0$00.00%−533−100.0%Sold outConverted for a 1-for-30 split
Claudia M.P. Batlle, CRP (R) LLC0$00.00%−502−100.0%Sold outConverted for a 1-for-30 split
Principal Financial Group Inc0$00.00%−457−100.0%Sold outConverted for a 1-for-30 split
GTS Securities LLC0$00.00%−422−100.0%Sold outConverted for a 1-for-30 split
Pathstone Holdings, LLC0$00.00%−421−100.0%Sold outConverted for a 1-for-30 split
California State Teachers Retirement System0$00.00%−406−100.0%Sold outConverted for a 1-for-30 split
Allred Capital Management, LLC0$00.00%−385−100.0%Sold outConverted for a 1-for-30 split
HBK Sorce Advisory LLC0$00.00%−371−100.0%Sold outConverted for a 1-for-30 split
Xponance, Inc.0$00.00%−368−100.0%Sold outConverted for a 1-for-30 split
Ameritas Investment Partners, Inc.0$00.00%−339−100.0%Sold outConverted for a 1-for-30 split
1620 Investment Advisors, Inc.0$00.00%−333−100.0%Sold outConverted for a 1-for-30 split
Lazari Capital Management, Inc.0$00.00%−333−100.0%Sold outConverted for a 1-for-30 split