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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, Q3 2024

Institutional positions in X4 Pharmaceuticals, Inc as of Sep 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
98
+1 vs. Q2 2024
Shares held
100.6M
+9.73M (+10.7%) vs. Q2 2024
Total value
$67.3M
+$14.6M (+27.7%) vs. Q2 2024
New holders
12
35 more added
Sold out
11
18 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 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 heldQ3 2024: $67.4M
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, Q3 2024

Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q2 2024.

Institutions holding XFOR in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bain Capital Life Sciences Investors, LLC16,915,784$11.3M1.18%00.0%Unchanged
NEA Management Company, LLC14,986,793$10.0M0.55%00.0%Unchanged
BlackRock, Inc.11,210,671$7.50M0.00%+11,210,671New
Vanguard Group Inc8,440,730$5.65M0.00%+150,680+1.8%Added
OrbiMed Advisors LLC7,133,515$4.77M0.09%00.0%Unchanged
Kingdon Capital Management, L.L.C.4,638,683$3.10M0.46%+15,000+0.3%Added
Adage Capital Partners GP, L.L.C.4,276,315$2.86M0.01%00.0%Unchanged
Perceptive Advisors LLC3,545,454$2.37M0.05%00.0%Unchanged
Geode Capital Management, LLC3,447,512$2.31M0.00%−68,026−1.9%Reduced
AXA S.A.3,076,941$2.06M0.01%+8640.0%Added
State Street Corp2,952,895$1.98M0.00%+189,105+6.8%Added
Ensign Peak Advisors, Inc2,546,458$1.70M0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC1,920,800$1.29M0.01%+651,107+51.3%Added
Pale Fire Capital SE1,602,792$1.07M0.17%+1,425,760+805.4%Added
UBS Oconnor LLC1,549,358$1.04M0.03%+388,837+33.5%Added
Northern Trust Corp1,319,599$883.2K0.00%+263,593+25.0%Added
Sio Capital Management, LLC1,303,508$872.4K0.39%−1,196,292−47.9%Reduced
Parkman Healthcare Partners LLC818,727$548.0K0.07%+12,111+1.5%Added
AQR Capital Management LLC715,722$479.0K0.00%+291,680+68.8%Added
Point72 Asset Management, L.P.625,052$418.3K0.00%+81,968+15.1%Added
Gsa Capital Partners LLP507,694$340.0K0.03%+507,694New
Nuveen Asset Management, LLC498,745$333.8K0.00%00.0%Unchanged
Morgan Stanley490,664$328.4K0.00%+261,328+113.9%Added
Charles Schwab Investment Management Inc438,208$293.3K0.00%00.0%Unchanged
Millennium Management LLC363,208$243.1K0.00%+19,792+5.8%Added
Bank of New York Mellon Corp344,747$230.7K0.00%−124,625−26.6%Reduced
New Leaf Venture Partners, L.L.C.335,000$224.1K0.23%00.0%Unchanged
Goldman Sachs Group Inc292,585$195.8K0.00%+121,395+70.9%Added
Diametric Capital, LP288,552$193.1K0.10%−160,042−35.7%Reduced
Barclays PLC277,682$185.9K0.00%+183,861+196.0%Added
UBS Group AG261,126$174.7K0.00%+199,096+321.0%Added
AJOVista, LLC257,644$172.4K0.74%+257,644New
Jane Street Group, LLC248,447$166.3K0.00%+126,296+103.4%Added
Rhumbline Advisers178,478$119.4K0.00%−8,768−4.7%Reduced
Susquehanna International Group, LLP172,813$115.7K0.00%+64,079+58.9%Added
XTX Topco Ltd157,642$105.5K0.01%+46,397+41.7%Added
Knott David M Jr154,071$103.0K0.04%−26,922−14.9%Reduced
Group One Trading, L.P.125,504$84.0K0.00%−38,744−23.6%Reduced
Citigroup Inc125,080$83.7K0.00%+88,514+242.1%Added
Invesco Ltd.123,780$82.8K0.00%+25,200+25.6%Added
Stifel Financial Corp122,448$82.0K0.00%−41,819−25.5%Reduced
Bank of America Corp111,017$74.3K0.00%+20,060+22.1%Added
Alliancebernstein L.P.109,570$73.3K0.00%00.0%Unchanged
Prelude Capital Management, LLC105,083$70.3K0.01%−58,284−35.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.92,266$61.8K0.00%+28,813+45.4%Added
Corebridge Financial, Inc.89,850$60.1K0.00%−554−0.6%Reduced
K2 Principal Fund, L.P.89,158$59.7K0.01%−400,000−81.8%Reduced
JPMorgan Chase & Co76,476$51.2K0.00%+2,229+3.0%Added
Vontobel Holding Ltd.75,000$50.2K0.00%00.0%Unchanged
Amundi81,305$44.0K0.00%+81,305New
ProShare Advisors LLC63,506$42.5K0.00%+46,727+278.5%Added
Voya Investment Management LLC58,702$39.3K0.00%00.0%Unchanged
Price T Rowe Associates Inc55,996$38.0K0.00%+5,770+11.5%Added
SG Americas Securities, LLC55,004$37.0K0.00%+55,004New
Wells Fargo & Company51,755$34.6K0.00%−2,044−3.8%Reduced
New York State Common Retirement Fund51,639$34.6K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC45,000$30.1K0.00%00.0%Unchanged
Verition Fund Management LLC44,355$29.7K0.00%+44,355New
TD Waterhouse Canada Inc.45,000$28.6K0.00%+45,000New
BNP Paribas Arbitrage, SA40,710$27.2K0.00%+23,625+138.3%Added
Deutsche Bank AG40,577$27.2K0.00%00.0%Unchanged
Bayesian Capital Management, LP38,400$25.7K0.00%+38,400New
The PNC Financial Services Group, Inc.30,158$20.2K0.00%00.0%Unchanged
Private Advisor Group, LLC28,500$19.1K0.00%+3,000+11.8%Added
Commonwealth Equity Services, LLC25,250$17.0K0.00%+150+0.6%Added
Royal Bank of Canada19,523$14.0K0.00%+3,718+23.5%Added
HSBC Holdings PLC20,092$13.4K0.00%+5,967+42.2%Added
Cassady Schiller Wealth Management, LLC20,000$13.4K0.00%00.0%Unchanged
Principal Financial Group Inc18,746$12.5K0.00%−12,664−40.3%Reduced
Legal & General Group Plc18,609$12.5K0.00%00.0%Unchanged
Bleichroeder LP17,865$12.0K0.00%00.0%Unchanged
LexAurum Advisors, LLC16,000$10.7K0.00%00.0%Unchanged
Victory Capital Management Inc14,927$9.99K0.00%−277−1.8%Reduced
Lazari Capital Management, Inc.13,000$8.70K0.00%+1,000+8.3%Added
Pathstone Holdings, LLC12,637$8.46K0.00%00.0%Unchanged
California State Teachers Retirement System12,176$8.15K0.00%00.0%Unchanged
Two Sigma Securities, LLC12,093$8.09K0.00%+12,093New
CWM, LLC12,639$8.00K0.00%+11,728+1,287.4%Added
LPL Financial LLC11,500$7.70K0.00%00.0%Unchanged
FMR LLC11,142$7.46K0.00%+7,543+209.6%Added
Tower Research Capital LLC (TRC)10,776$7.21K0.00%−16,187−60.0%Reduced
Ameritas Investment Partners, Inc.10,167$6.80K0.00%00.0%Unchanged
PEAK6 Investments LLC10,000$6.69K0.00%00.0%Unchanged
1620 Investment Advisors, Inc.10,000$6.69K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.8,520$4.94K0.00%00.0%Unchanged
Amalgamated Bank4,152$3.00K0.00%00.0%Unchanged
Simplex Trading, LLC3,455$2.00K0.00%−71,950−95.4%Reduced
Federation des caisses Desjardins du Quebec2,000$1.34K0.00%−2,000−50.0%Reduced
Raelipskie Partnership1,000$6690.00%00.0%Unchanged
Capital Performance Advisors LLP760$5090.00%+760New
SRS Capital Advisors, Inc.503$3370.00%00.0%Unchanged
True Wealth Design, LLC486$3260.00%+486New
Advisor Group Holdings, Inc.400$2680.00%00.0%Unchanged
Nisa Investment Advisors, LLC314$2100.00%+265+540.8%Added
HighMark Wealth Management LLC180$1200.00%00.0%Unchanged
Sterling Capital Management LLC172$1150.00%+172New
Clearstead Advisors, LLC100$670.00%−2,000−95.2%Reduced
Frazier Financial Advisors, LLC10$70.00%00.0%Unchanged
Soleus Capital Management, L.P.0$00.00%−4,051,000−100.0%Sold out
Velan Capital Investment Management LP0$00.00%−659,020−100.0%Sold out