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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 2022

Institutional positions in X4 Pharmaceuticals, Inc as of Sep 30, 2022. 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
59
+9 vs. Q2 2022
Shares held
43.3M
+26.1M (+152.2%) vs. Q2 2022
Total value
$74.0M
+$57.4M (+345.8%) vs. Q2 2022
New holders
14
17 more added
Sold out
5
5 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 59 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 2022: $74.0M
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 2022

Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q2 2022.

Institutions holding XFOR in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
AXA S.A.8,252,920$14.1M0.03%+5,951,986+258.7%Added
NEA Management Company, LLC6,523,157$11.2M0.56%+6,523,157New
Bain Capital Life Sciences Investors, LLC6,389,436$10.9M1.30%+3,369,896+111.6%Added
OrbiMed Advisors LLC5,026,817$8.60M0.16%+3,652,968+265.9%Added
Vanguard Group Inc3,208,103$5.49M0.00%+2,492,928+348.6%Added
Point72 Asset Management, L.P.2,546,446$4.35M0.02%+913,242+55.9%Added
Tri Locum Partners LP2,504,006$4.28M1.22%+765,706+44.0%Added
Sio Capital Management, LLC1,418,461$2.43M1.03%+1,141,552+412.2%Added
AIGH Capital Management LLC997,719$1.71M0.67%00.0%Unchanged
Parkman Healthcare Partners LLC950,000$1.63M0.46%+950,000New
BVF Inc847,879$1.45M0.06%00.0%Unchanged
Cormorant Asset Management, LP830,654$1.42M0.10%+726,674+698.9%Added
Ikarian Capital, LLC568,612$973.0K0.49%−1,111,136−66.1%Reduced
Geode Capital Management, LLC493,657$844.0K0.00%+304,109+160.4%Added
New Leaf Venture Partners, L.L.C.335,000$573.0K0.34%00.0%Unchanged
SV Health Investors, LLC311,490$532.0K1.65%00.0%Unchanged
BlackRock Inc.289,383$494.0K0.00%+11,930+4.3%Added
Worth Venture Partners, LLC250,144$428.0K0.27%00.0%Unchanged
Renaissance Technologies LLC242,194$414.0K0.00%+26,000+12.0%Added
Susquehanna International Group, LLP150,597$258.0K0.00%+150,597New
Bank of New York Mellon Corp139,696$239.0K0.00%00.0%Unchanged
Millennium Management LLC112,964$193.0K0.00%+35,277+45.4%Added
Northern Trust Corp85,187$146.0K0.00%+29,411+52.7%Added
Stifel Financial Corp67,323$115.0K0.00%−160−0.2%Reduced
PEAK6 Investments LLC60,200$103.0K0.00%+60,200New
Dimensional Fund Advisors LP59,309$101.0K0.00%−2,100−3.4%Reduced
Boothbay Fund Management, LLC58,760$100.0K0.00%−121,203−67.3%Reduced
Morgan Stanley57,237$97.0K0.00%+54,060+1,701.6%Added
Goldman Sachs Group Inc55,380$95.0K0.00%+55,380New
State Street Corp54,733$94.0K0.00%00.0%Unchanged
BIT Capital GmbH45,000$77.0K0.01%+45,000New
Charles Schwab Investment Management Inc42,386$73.0K0.00%+42,386New
Bleichroeder LP35,730$61.0K0.01%00.0%Unchanged
Kestra Advisory Services, LLC33,000$56.0K0.00%00.0%Unchanged
Group One Trading, L.P.32,876$56.0K0.00%+32,876New
The PNC Financial Services Group, Inc.31,057$53.0K0.00%+10,000+47.5%Added
Connor, Clark & Lunn Investment Management Ltd.23,065$39.0K0.00%+23,065New
LexAurum Advisors, LLC16,000$27.0K0.01%+16,000New
Private Advisor Group, LLC13,221$23.0K0.00%00.0%Unchanged
Veritable, L.P.12,637$22.0K0.00%00.0%Unchanged
Simplex Trading, LLC11,237$19.0K0.00%+11,237New
Moody Lynn & Lieberson, LLC10,000$17.0K0.00%00.0%Unchanged
Dynamic Advisor Solutions LLC10,100$17.0K0.00%00.0%Unchanged
Mayflower Financial Advisors, LLC10,000$17.0K0.00%00.0%Unchanged
FMR LLC10,000$17.0K0.00%+10,000New
UBS Group AG9,525$16.0K0.00%+8,310+684.0%Added
American Portfolios Advisors6,250$10.7K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.4,969$9.00K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.8,520$8.00K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec4,000$6.84K0.00%00.0%Unchanged
Clearstead Advisors, LLC2,100$4.00K0.00%00.0%Unchanged
High Net Worth Advisory Group LLC1,100$2.00K0.00%00.0%Unchanged
Wells Fargo & Company579$1.00K0.00%+410+242.6%Added
Rockefeller Capital Management L.P.1,000$1.00K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA9$150.00%00.0%Unchanged
Bank of America Corp1$00.00%00.0%Unchanged
Cutler Group LP500$00.00%−519−50.9%Reduced
Royal Bank of Canada101$00.00%+101New
CWM, LLC2$00.00%+2New
Citadel Advisors LLC0$00.00%−45,254−100.0%Sold out
Virtu Financial LLC0$00.00%−20,385−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−5,639−100.0%Sold out
Barclays PLC0$00.00%−100−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−384−100.0%Sold out
Minot Wealth Management LLC––––Not filed