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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, Q2 2022

Institutional positions in X4 Pharmaceuticals, Inc as of Jun 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
51
−5 vs. Q1 2022
Shares held
17.2M
−287.1K (−1.6%) vs. Q1 2022
Total value
$16.6M
−$14.1M (−45.8%) vs. Q1 2022
New holders
5
12 more added
Sold out
10
13 more reduced

Compare with Q1 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 holdersQ2 2022: 51 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 2022: $16.6M
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 2022

Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q1 2022.

Institutions holding XFOR in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Bain Capital Life Sciences Investors, LLC3,019,540$2.91M0.34%00.0%Unchanged
AXA S.A.2,300,934$2.22M0.00%−1,746−0.1%Reduced
Tri Locum Partners LP1,738,300$1.68M0.69%+20,711+1.2%Added
Ikarian Capital, LLC1,679,748$1.62M0.67%+307,726+22.4%Added
Point72 Asset Management, L.P.1,633,204$1.58M0.01%00.0%Unchanged
OrbiMed Advisors LLC1,373,849$1.33M0.02%00.0%Unchanged
AIGH Capital Management LLC997,719$962.0K0.40%00.0%Unchanged
BVF Inc847,879$818.0K0.04%00.0%Unchanged
Vanguard Group Inc715,175$690.0K0.00%+61,990+9.5%Added
New Leaf Venture Partners, L.L.C.335,000$323.0K0.21%00.0%Unchanged
SV Health Investors, LLC311,490$300.0K0.68%00.0%Unchanged
Worth Venture Partners, LLC250,144$278.0K0.17%00.0%Unchanged
BlackRock Inc.277,453$268.0K0.00%+5,659+2.1%Added
Sio Capital Management, LLC276,909$267.0K0.11%00.0%Unchanged
Renaissance Technologies LLC216,194$209.0K0.00%+43,100+24.9%Added
Geode Capital Management, LLC189,548$182.0K0.00%+6,271+3.4%Added
Boothbay Fund Management, LLC179,963$174.0K0.01%+39,000+27.7%Added
Bank of New York Mellon Corp139,696$135.0K0.00%−916−0.7%Reduced
Cormorant Asset Management, LP103,980$100.0K0.01%00.0%Unchanged
Millennium Management LLC77,687$75.0K0.00%−326,259−80.8%Reduced
Stifel Financial Corp67,483$65.0K0.00%−2,116−3.0%Reduced
Dimensional Fund Advisors LP61,409$59.0K0.00%00.0%Unchanged
Northern Trust Corp55,776$54.0K0.00%+350+0.6%Added
State Street Corp54,733$53.0K0.00%00.0%Unchanged
Minot Wealth Management LLC55,000$53.0K0.01%00.0%Unchanged
Citadel Advisors LLC45,254$44.0K0.00%−10,260−18.5%Reduced
Bleichroeder LP35,730$34.0K0.01%00.0%Unchanged
Kestra Advisory Services, LLC33,000$32.0K0.00%+33,000New
Virtu Financial LLC20,385$20.0K0.00%−5,580−21.5%Reduced
The PNC Financial Services Group, Inc.21,057$20.0K0.00%+10,000+90.4%Added
Ronald Blue Trust, Inc.8,520$15.0K0.00%+8,520New
Private Advisor Group, LLC13,221$13.0K0.00%+13,221New
Veritable, L.P.12,637$12.0K0.00%+12,637New
Moody Lynn & Lieberson, LLC10,000$10.0K0.00%00.0%Unchanged
Dynamic Advisor Solutions LLC10,100$10.0K0.00%+100+1.0%Added
Mayflower Financial Advisors, LLC10,000$10.0K0.00%00.0%Unchanged
American Portfolios Advisors6,250$6.03K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.4,969$5.00K0.00%+4,070+452.7%Added
Tower Research Capital LLC (TRC)5,639$5.00K0.00%−4,056−41.8%Reduced
Federation des caisses Desjardins du Quebec4,000$3.86K0.00%00.0%Unchanged
Morgan Stanley3,177$3.00K0.00%−5,732−64.3%Reduced
Clearstead Advisors, LLC2,100$2.00K0.00%00.0%Unchanged
UBS Group AG1,215$1.00K0.00%−48−3.8%Reduced
High Net Worth Advisory Group LLC1,100$1.00K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA9$90.00%−151−94.4%Reduced
Barclays PLC100$00.00%−7,704−98.7%Reduced
Bank of America Corp1$00.00%−6,244−100.0%Reduced
Cubist Systematic Strategies, LLC384$00.00%−1,016−72.6%Reduced
Rockefeller Capital Management L.P.1,000$00.00%00.0%Unchanged
Wells Fargo & Company169$00.00%+27+19.0%Added
Cutler Group LP1,019$00.00%+1,019New
Ensign Peak Advisors, Inc0$00.00%−176,530−100.0%Sold out
Kennedy Capital Management, Inc.0$00.00%−113,848−100.0%Sold out
Jane Street Group, LLC0$00.00%−36,847−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−35,302−100.0%Sold out
Simplex Trading, LLC0$00.00%−35,673−100.0%Sold out
Norges Bank0$00.00%−27,700−100.0%Sold out
XTX Topco Ltd0$00.00%−26,546−100.0%Sold out
Group One Trading, L.P.0$00.00%−16,950−100.0%Sold out
Marshall Wace, LLP0$00.00%−13,099−100.0%Sold out
Federated Hermes, Inc.0$00.00%−152−100.0%Sold out