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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 $491.9M in total; no superinvestor holds it.

13F holders, Q4 2024

Institutional positions in X4 Pharmaceuticals, Inc as of Dec 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
90
−6 vs. Q3 2024
Shares held
99.8M
−549.1K (−0.5%) vs. Q3 2024
Total value
$73.3M
+$6.06M (+9.0%) vs. Q3 2024
New holders
15
23 more added
Sold out
21
21 more reduced

2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 90 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 heldQ4 2024: $73.3M
Q1 2021: $139.0MQ2 2021: $111.5MQ3 2021: $85.7MQ4 2021: $40.4MQ1 2022: $30.7MQ2 2022: $16.6MQ3 2022: $74.0MQ4 2022: $60.2MQ1 2023: $53.7MQ2 2023: $219.2MQ3 2023: $122.6MQ4 2023: $87.1MQ1 2024: $147.1MQ2 2024: $60.7MQ3 2024: $67.4MQ4 2024: $73.3MQ1 2025: $23.6MQ2 2025: $5.33MQ3 2025: $55.3MQ4 2025: $357.7MQ1 2026: $407.0MQ2 2026: $491.9M
Institutions holding XFOR and their total value by quarter
QuarterHoldersValue
Q2 202689$491.9M
Q1 202684$407.0M
Q4 202579$357.7M
Q3 202542$55.3M
Q2 202552$5.33M
Q1 202594$23.6M
Q4 202490$73.3M
Q3 202498$67.4M
Q2 202499$60.7M
Q1 202498$147.1M
Q4 202393$87.1M
Q3 202391$122.6M
Q2 202396$219.2M
Q1 202359$53.7M
Q4 202254$60.2M
Q3 202259$74.0M
Q2 202251$16.6M
Q1 202256$30.7M
Q4 202152$40.4M
Q3 202152$85.7M
Q2 202163$111.5M
Q1 202161$139.0M

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q3 2024.

Institutions holding XFOR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bain Capital Life Sciences Investors, LLC16,915,784$12.4M1.46%00.0%Unchanged
NEA Management Company, LLC14,986,793$11.0M0.62%00.0%Unchanged
BlackRock, Inc.11,060,645$8.11M0.00%−150,026−1.3%Reduced
Vanguard Group Inc8,200,903$6.02M0.00%−239,827−2.8%Reduced
Acorn Capital Advisors, LLC7,310,650$5.36M2.89%+7,310,650New
OrbiMed Advisors LLC7,133,515$5.23M0.11%00.0%Unchanged
Kingdon Capital Management, L.L.C.4,937,000$3.62M0.62%+298,317+6.4%Added
Geode Capital Management, LLC3,497,212$2.57M0.00%+49,700+1.4%Added
AXA S.A.3,072,143$2.25M0.01%−4,798−0.2%Reduced
State Street Corp3,057,297$2.24M0.00%+104,402+3.5%Added
Ensign Peak Advisors, Inc2,546,458$1.87M0.00%00.0%Unchanged
Susquehanna International Group, LLP1,887,611$1.38M0.00%+1,714,798+992.3%Added
Pale Fire Capital SE1,401,964$1.03M0.24%−200,828−12.5%Reduced
Schonfeld Strategic Advisors LLC1,392,826$1.02M0.01%−527,974−27.5%Reduced
Northern Trust Corp1,357,539$995.9K0.00%+37,940+2.9%Added
Gsa Capital Partners LLP1,273,635$934.0K0.07%+765,941+150.9%Added
UBS Oconnor LLC1,264,358$928.0K0.02%−285,000−18.4%Reduced
UBS Group AG923,060$677.5K0.00%+661,934+253.5%Added
Group One Trading, L.P.797,411$585.0K0.02%+671,907+535.4%Added
Point72 Asset Management, L.P.650,000$476.8K0.00%+24,948+4.0%Added
Jane Street Group, LLC583,483$428.0K0.00%+335,036+134.9%Added
Morgan Stanley550,495$403.8K0.00%+59,831+12.2%Added
Goldman Sachs Group Inc477,638$350.4K0.00%+185,053+63.2%Added
JPMorgan Chase & Co459,653$337.2K0.00%+306,701+200.5%Added
Charles Schwab Investment Management Inc438,208$321.5K0.00%00.0%Unchanged
Bank of New York Mellon Corp344,747$252.9K0.00%00.0%Unchanged
Deutsche Bank AG267,628$195.4K0.00%+227,051+559.6%Added
Barclays PLC266,157$195.3K0.00%−11,525−4.2%Reduced
Millennium Management LLC258,759$189.8K0.00%−104,449−28.8%Reduced
Simplex Trading, LLC191,904$140.0K0.00%+188,449+5,454.4%Added
SG Americas Securities, LLC183,152$134.0K0.00%+128,148+233.0%Added
Rhumbline Advisers178,725$131.2K0.00%+247+0.1%Added
Knott David M Jr154,071$113.0K0.04%00.0%Unchanged
Citigroup Inc137,207$100.7K0.00%+12,127+9.7%Added
Bank of America Corp133,502$97.9K0.00%+22,485+20.3%Added
Alliancebernstein L.P.109,570$80.4K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.96,397$70.7K0.00%+4,131+4.5%Added
Corebridge Financial, Inc.83,544$61.3K0.00%−6,306−7.0%Reduced
Wells Fargo & Company78,518$57.6K0.00%+26,763+51.7%Added
Stifel Financial Corp75,607$55.5K0.00%−46,841−38.3%Reduced
Vontobel Holding Ltd.75,000$55.0K0.00%00.0%Unchanged
Invesco Ltd.62,073$45.5K0.00%−61,707−49.9%Reduced
Atria Wealth Solutions, Inc.60,000$44.0K0.00%+60,000New
Voya Investment Management LLC58,702$43.1K0.00%00.0%Unchanged
Price T Rowe Associates Inc55,996$41.0K0.00%00.0%Unchanged
New York State Common Retirement Fund51,639$37.9K0.00%00.0%Unchanged
Colony Group, LLC50,050$36.7K0.00%+50,050New
ProShare Advisors LLC47,325$34.7K0.00%−16,181−25.5%Reduced
TD Waterhouse Canada Inc.45,000$33.5K0.00%00.0%Unchanged
Wolverine Trading, LLC39,663$32.1K0.00%+39,663New
Cantor Fitzgerald, L. P.40,251$29.5K0.00%+40,251New
Police & Firemen's Retirement System of New Jersey33,784$24.8K0.00%+33,784New
Wealth Enhancement Advisory Services, LLC30,266$22.2K0.00%+30,266New
The PNC Financial Services Group, Inc.30,158$22.1K0.00%00.0%Unchanged
Integrated Wealth Concepts LLC30,000$22.0K0.00%+30,000New
BNP Paribas Arbitrage, SA29,301$21.5K0.00%−11,409−28.0%Reduced
AQR Capital Management LLC26,839$19.7K0.00%−688,883−96.3%Reduced
Commonwealth Equity Services, LLC25,250$19.0K0.00%00.0%Unchanged
JustInvest LLC22,258$16.3K0.00%+22,258New
Ameriprise Financial Inc22,042$16.2K0.00%+22,042New
HSBC Holdings PLC19,751$15.7K0.00%−341−1.7%Reduced
Cassady Schiller Wealth Management, LLC20,000$14.7K0.01%00.0%Unchanged
Legal & General Group Plc18,609$13.7K0.00%00.0%Unchanged
Private Advisor Group, LLC18,500$13.6K0.00%−10,000−35.1%Reduced
Bleichroeder LP17,865$13.1K0.00%00.0%Unchanged
LexAurum Advisors, LLC16,000$11.7K0.00%00.0%Unchanged
CIBC World Markets Corp15,726$11.5K0.00%+15,726New
Tower Research Capital LLC (TRC)15,587$11.4K0.00%+4,811+44.6%Added
Principal Financial Group Inc14,491$10.6K0.00%−4,255−22.7%Reduced
Pathstone Holdings, LLC12,637$9.27K0.00%00.0%Unchanged
California State Teachers Retirement System12,176$8.93K0.00%00.0%Unchanged
LPL Financial LLC11,500$8.44K0.00%00.0%Unchanged
Royal Bank of Canada10,747$8.00K0.00%−8,776−45.0%Reduced
Xponance, Inc.10,760$7.89K0.00%+10,760New
HBK Sorce Advisory LLC10,459$7.67K0.00%+10,459New
Ameritas Investment Partners, Inc.10,167$7.46K0.00%00.0%Unchanged
Lazari Capital Management, Inc.10,000$7.34K0.00%−3,000−23.1%Reduced
1620 Investment Advisors, Inc.10,000$7.34K0.01%00.0%Unchanged
Ronald Blue Trust, Inc.8,520$6.25K0.00%00.0%Unchanged
FMR LLC4,697$3.45K0.00%−6,445−57.8%Reduced
Amalgamated Bank4,152$3.00K0.00%00.0%Unchanged
CWM, LLC2,085$2.00K0.00%−10,554−83.5%Reduced
SBI Securities Co., Ltd.1,122$8230.00%+1,122New
Raelipskie Partnership1,000$7340.00%00.0%Unchanged
Nisa Investment Advisors, LLC919$6740.00%+605+192.7%Added
HighMark Wealth Management LLC180$1320.00%00.0%Unchanged
Sterling Capital Management LLC172$1260.00%00.0%Unchanged
Clearstead Advisors, LLC100$740.00%00.0%Unchanged
EverSource Wealth Advisors, LLC41$300.00%+41New
Frazier Financial Advisors, LLC10$90.00%00.0%Unchanged
Adage Capital Partners GP, L.L.C.0$00.00%−4,276,315−100.0%Sold out
Perceptive Advisors LLC0$00.00%−3,545,454−100.0%Sold out
Sio Capital Management, LLC0$00.00%−1,303,508−100.0%Sold out
Parkman Healthcare Partners LLC0$00.00%−818,727−100.0%Sold out
Nuveen Asset Management, LLC0$00.00%−498,745−100.0%Sold out
New Leaf Venture Partners, L.L.C.0$00.00%−335,000−100.0%Sold out
Diametric Capital, LP0$00.00%−288,552−100.0%Sold out
XTX Topco Ltd0$00.00%−157,642−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−105,083−100.0%Sold out
K2 Principal Fund, L.P.0$00.00%−89,158−100.0%Sold out