Skip to main content

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, Q2 2024

Institutional positions in X4 Pharmaceuticals, Inc as of Jun 30, 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
99
+1 vs. Q1 2024
Shares held
104.7M
−1.18M (−1.1%) vs. Q1 2024
Total value
$60.7M
−$86.4M (−58.7%) vs. Q1 2024
New holders
18
36 more added
Sold out
17
19 more reduced

Compare with Q1 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 holdersQ2 2024: 99 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 2024: $60.7M
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, Q2 2024

Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q1 2024.

Institutions holding XFOR in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bain Capital Life Sciences Investors, LLC16,915,784$9.81M1.08%00.0%Unchanged
NEA Management Company, LLC14,986,793$8.69M0.65%00.0%Unchanged
BlackRock Inc.10,675,963$6.19M0.00%+1,940,096+22.2%Added
Vanguard Group Inc8,290,050$4.81M0.00%+462,323+5.9%Added
OrbiMed Advisors LLC7,133,515$4.14M0.08%00.0%Unchanged
AXA S.A.6,152,154$3.57M0.01%+3,077,782+100.1%Added
Kingdon Capital Management, L.L.C.4,623,683$2.68M0.41%+1,150,000+33.1%Added
Adage Capital Partners GP, L.L.C.4,276,315$2.48M0.00%00.0%Unchanged
Soleus Capital Management, L.P.4,051,000$2.35M0.21%−528,926−11.5%Reduced
Perceptive Advisors LLC3,545,454$2.06M0.05%00.0%Unchanged
Geode Capital Management, LLC3,515,538$2.04M0.00%+570,114+19.4%Added
State Street Corp2,763,790$1.60M0.00%+240,235+9.5%Added
Ensign Peak Advisors, Inc2,546,458$1.48M0.00%+111,032+4.6%Added
Sio Capital Management, LLC2,499,800$1.45M0.55%−1,088,627−30.3%Reduced
Schonfeld Strategic Advisors LLC1,269,693$736.4K0.01%+354,693+38.8%Added
UBS Oconnor LLC1,160,521$673.1K0.02%−175,000−13.1%Reduced
Northern Trust Corp1,056,006$612.5K0.00%+1,518+0.1%Added
Parkman Healthcare Partners LLC806,616$467.8K0.06%+1,257+0.2%Added
Velan Capital Investment Management LP659,020$382.2K0.22%+659,020New
Point72 Asset Management, L.P.543,084$315.0K0.00%−106,916−16.4%Reduced
Nuveen Asset Management, LLC498,745$289.3K0.00%+60,631+13.8%Added
K2 Principal Fund, L.P.489,158$283.7K0.06%+489,158New
Bank of New York Mellon Corp469,372$272.2K0.00%+133,398+39.7%Added
Diametric Capital, LP448,594$260.2K0.14%+448,594New
Charles Schwab Investment Management Inc438,208$254.2K0.00%+114,365+35.3%Added
AQR Capital Management LLC424,042$245.9K0.00%+388,115+1,080.3%Added
Millennium Management LLC343,416$199.2K0.00%+84,657+32.7%Added
New Leaf Venture Partners, L.L.C.335,000$194.3K0.24%00.0%Unchanged
Morgan Stanley229,336$133.0K0.00%−3,989,939−94.6%Reduced
Hudson Bay Capital Management LP227,246$131.8K0.00%+227,246New
Rhumbline Advisers187,246$108.6K0.00%+23,831+14.6%Added
Knott David M Jr180,993$105.0K0.04%00.0%Unchanged
Pale Fire Capital SE177,032$102.7K0.01%+138,966+365.1%Added
Goldman Sachs Group Inc171,190$99.3K0.00%−887,740−83.8%Reduced
Stifel Financial Corp164,267$95.3K0.00%+78,042+90.5%Added
Group One Trading, L.P.164,248$95.3K0.00%+143,002+673.1%Added
Prelude Capital Management, LLC163,367$94.8K0.01%+163,367New
JPMorgan Chase & Co148,494$86.1K0.00%+46,240+45.2%Added
Jane Street Group, LLC122,151$70.8K0.00%+44,699+57.7%Added
XTX Topco Ltd111,245$64.5K0.01%+111,245New
Alliancebernstein L.P.109,570$63.6K0.00%+63,890+139.9%Added
Susquehanna International Group, LLP108,734$63.1K0.00%−393,931−78.4%Reduced
Invesco Ltd.98,580$57.2K0.00%−420.0%Reduced
Barclays PLC93,821$54.4K0.00%−354,887−79.1%Reduced
Bank of America Corp90,957$52.8K0.00%−11,755−11.4%Reduced
Corebridge Financial, Inc.90,404$52.4K0.00%+90,404New
Vontobel Holding Ltd.75,000$43.5K0.00%+30,000+66.7%Added
Simplex Trading, LLC75,405$43.0K0.00%+75,405New
Mirae Asset Global ETFs Holdings Ltd.63,453$36.8K0.00%+63,453New
UBS Group AG62,030$36.0K0.00%−67,054−51.9%Reduced
Voya Investment Management LLC58,702$34.0K0.00%+18,104+44.6%Added
Wells Fargo & Company53,799$31.2K0.00%+12,835+31.3%Added
Price T Rowe Associates Inc50,226$30.0K0.00%+10,919+27.8%Added
New York State Common Retirement Fund51,639$30.0K0.00%+88+0.2%Added
Virtu Financial LLC50,537$29.0K0.00%+50,537New
CIBC Private Wealth Group, LLC45,000$26.2K0.00%00.0%Unchanged
Deutsche Bank AG40,577$23.5K0.00%−12,212−23.1%Reduced
Citigroup Inc36,566$21.2K0.00%−90,485−71.2%Reduced
Holistic Planning, LLC13,800$19.2K0.01%00.0%Unchanged
Principal Financial Group Inc31,410$18.2K0.00%+17,719+129.4%Added
The PNC Financial Services Group, Inc.30,158$17.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)26,963$15.6K0.00%+10,754+66.3%Added
Commonwealth Equity Services, LLC25,100$15.0K0.00%00.0%Unchanged
Private Advisor Group, LLC25,500$14.8K0.00%+3,700+17.0%Added
Resources Investment Advisors, LLC.21,500$12.5K0.00%−6,973−24.5%Reduced
Ronald Blue Trust, Inc.8,520$11.8K0.00%00.0%Unchanged
Cassady Schiller Wealth Management, LLC20,000$11.6K0.00%00.0%Unchanged
Legal & General Group Plc18,609$10.8K0.00%+7,283+64.3%Added
Bleichroeder LP17,865$10.4K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA17,085$9.91K0.00%−44,490−72.3%Reduced
ProShare Advisors LLC16,779$9.73K0.00%−5,728−25.4%Reduced
LexAurum Advisors, LLC16,000$9.28K0.00%00.0%Unchanged
Royal Bank of Canada15,805$9.00K0.00%+12,944+452.4%Added
HSBC Holdings PLC14,125$8.83K0.00%00.0%Unchanged
Victory Capital Management Inc15,204$8.82K0.00%−749−4.7%Reduced
Allred Capital Management, LLC12,800$7.42K0.00%+12,800New
Pathstone Holdings, LLC12,637$7.33K0.00%00.0%Unchanged
California State Teachers Retirement System12,176$7.06K0.00%−417−3.3%Reduced
Lazari Capital Management, Inc.12,000$6.96K0.00%+2,000+20.0%Added
LPL Financial LLC11,500$6.67K0.00%00.0%Unchanged
Jump Financial, LLC10,362$6.01K0.00%+10,362New
Ameritas Investment Partners, Inc.10,167$5.90K0.00%00.0%Unchanged
PEAK6 Investments LLC10,000$5.80K0.00%00.0%Unchanged
1620 Investment Advisors, Inc.10,000$5.80K0.00%00.0%Unchanged
Citadel Advisors LLC8,413$4.88K0.00%−754,441−98.9%Reduced
ICA Group Wealth Management, LLC6,400$3.71K0.00%+3,650+132.7%Added
Federation des caisses Desjardins du Quebec4,000$2.32K0.00%00.0%Unchanged
FMR LLC3,599$2.09K0.00%+1,068+42.2%Added
Amalgamated Bank4,152$2.00K0.00%00.0%Unchanged
Clearstead Advisors, LLC2,100$1.22K0.00%00.0%Unchanged
Russell Investments Group, Ltd.1,901$1.10K0.00%+1,901New
CWM, LLC911$1.00K0.00%+904+12,914.3%Added
Raelipskie Partnership1,000$5800.00%00.0%Unchanged
SRS Capital Advisors, Inc.503$2920.00%+503New
Advisor Group Holdings, Inc.400$2320.00%+400New
HighMark Wealth Management LLC180$1040.00%+180New
Nisa Investment Advisors, LLC49$280.00%+49New
Headlands Technologies LLC16$90.00%+16New
Frazier Financial Advisors, LLC10$60.00%00.0%Unchanged
Avidity Partners Management LP0$00.00%−2,413,000−100.0%Sold out