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X4 Pharmaceuticals (XFOR) Institutional Ownership

X4 Pharmaceuticals logo
$3.76 -0.36 (-8.74%)
Closing price 08/29/2025 04:00 PM Eastern
Extended Trading
$3.78 +0.03 (+0.66%)
As of 08/29/2025 07:56 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for X4 Pharmaceuticals (NASDAQ:XFOR)

Current
Institutional Ownership
Percentage
72.03%
Number of
Institutional Buyers
(last 12 months)
21
Total
Institutional Inflows
(last 12 months)
$238.36M
Number of
Institutional Sellers
(last 12 months)
12
Total
Institutional Outflows
(last 12 months)
$115.26M
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Skip Chart & View Institutional Buying and Selling Data

XFOR Institutional Buying and Selling by Quarter

X4 Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2025 Bain Capital Life Sciences Investors LLC563,859$1.07M0.1%-96.7%9.738%
8/15/2025 Acorn Capital Advisors LLC153,730$292K0.2%-97.9%2.655%
8/14/2025 Jane Street Group LLC97,344$185K0.0%+112.5%1.681%
8/14/2025 OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 80,000$152K0.0%-68.3%1.382%
8/14/2025 Pale Fire Capital SE60,051$114K0.0%-97.0%1.037%
8/8/2025 Geode Capital Management LLC49,146$93K0.0%-98.6%0.849%
6/27/2025 Goldman Sachs Group Inc.273,865$65K0.0%-42.7%4.730%
5/29/2025 Rhumbline Advisers188,415$44K0.0%+5.4%3.255%
5/16/2025 Goldman Sachs Group Inc.273,865$65K0.0%-42.7%4.731%
5/15/2025 Kingdon Capital Management L.L.C.7,000,000$1.66M0.2%+41.8%120.919%
5/14/2025 Pale Fire Capital SE2,035,362$481K0.1%+45.2%35.159%
5/9/2025 Charles Schwab Investment Management Inc.481,528$114K0.0%+9.9%8.318%
2/17/2025 Point72 Asset Management L.P.650,000$477K0.0%+4.0%0.381%
2/17/2025 OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,264,358$928K0.1%-18.4%0.741%
2/17/2025 Millennium Management LLC258,759$190K0.0%-28.8%0.152%
2/17/2025 Deutsche Bank AG267,628$195K0.0%+559.6%0.157%
2/17/2025 Cantor Fitzgerald L. P.40,251$30K0.0%N/A0.024%
2/17/2025 Bank of America Corp DE133,502$98K0.0%+20.3%0.078%
2/17/2025 Acorn Capital Advisors LLC7,310,650$5.36M2.9%N/A4.287%
2/14/2025 Jane Street Group LLC583,483$428K0.0%+134.9%0.342%
2/14/2025 Schonfeld Strategic Advisors LLC1,392,826$1.02M0.0%-27.5%0.817%
2/14/2025 Northern Trust Corp1,357,539$996K0.0%+2.9%0.796%
2/14/2025 Stifel Financial Corp75,607$55K0.0%-38.3%0.044%
2/13/2025 Invesco Ltd.62,073$46K0.0%-49.9%0.036%
2/13/2025 Wells Fargo & Company MN78,518$58K0.0%+51.7%0.046%
2/12/2025 Geode Capital Management LLC3,497,212$2.57M0.0%+1.4%2.051%
2/12/2025 JPMorgan Chase & Co.459,653$337K0.0%+501.0%0.270%
1/31/2025 Atria Wealth Solutions Inc.60,000$44K0.0%N/A0.035%
1/17/2025 SG Americas Securities LLC183,152$134K0.0%+233.0%0.107%
11/19/2024 Barclays PLC277,682$185K0.0%+196.0%0.163%
11/16/2024 Geode Capital Management LLC3,447,512$2.31M0.0%-1.9%2.046%
11/15/2024 Barclays PLC277,682$185K0.0%+196.0%0.165%
11/15/2024 K2 Principal Fund L.P.89,158$60K0.0%-81.8%0.053%
11/15/2024 XTX Topco Ltd157,642$106K0.0%+41.7%0.094%
11/15/2024 Jane Street Group LLC248,447$166K0.0%+103.4%0.147%
11/15/2024 State Street Corp2,952,895$1.98M0.0%+6.8%1.752%
11/15/2024 Stifel Financial Corp122,448$82K0.0%-25.5%0.073%
11/15/2024 Point72 Asset Management L.P.625,052$418K0.0%+15.1%0.371%
11/14/2024 Verition Fund Management LLC44,355$30K0.0%N/A0.026%
11/14/2024 Sio Capital Management LLC1,303,508$872K0.3%-47.9%0.774%
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11/5/2024 GSA Capital Partners LLP507,694$340K0.0%N/A0.301%
10/3/2024 SG Americas Securities LLC55,004$37K0.0%N/A0.033%
8/19/2024 Point72 Asset Management L.P.543,084$315K0.0%-16.4%0.323%
8/15/2024 AQR Capital Management LLC424,042$246K0.0%+1,080.3%0.252%
8/14/2024 K2 Principal Fund L.P.489,158$284K0.1%N/A0.291%
8/13/2024 Ensign Peak Advisors Inc2,546,458$1.48M0.0%+4.6%1.516%
8/12/2024 XTX Topco Ltd111,245$65K0.0%N/A0.066%
8/1/2024 Rhumbline Advisers187,246$109K0.0%+14.6%0.111%
7/26/2024 Bank of New York Mellon Corp469,372$272K0.0%+39.7%0.279%
5/15/2024 Price T Rowe Associates Inc. MD39,307$55K0.0%+46.7%0.023%
5/10/2024 Vanguard Group Inc.7,827,727$10.88M0.0%-2.3%4.661%
5/7/2024 SG Americas Securities LLC20,822$29K0.0%-56.3%0.012%
5/3/2024 GSA Capital Partners LLP321,021$446K0.0%-66.0%0.191%
5/1/2024 BNP Paribas Financial Markets61,575$86K0.0%-78.3%0.037%
3/18/2024 Kingdon Capital Management L.L.C.3,473,683$2.91M0.4%+76.0%2.076%
2/13/2024 Bain Capital Life Sciences Investors LLC16,915,784$14.18M1.4%+6.0%10.112%
2/13/2024 Armistice Capital LLC1,936,000$1.62M0.0%-17.8%1.157%
1/12/2024 SG Americas Securities LLC47,668$40K0.0%+38.8%0.028%
11/22/2023 Polar Capital Holdings Plc7,500,000$8.18M0.1%-25.0%4.483%
11/15/2023 GSA Capital Partners LLP621,587$678K0.1%N/A0.372%
11/15/2023 Armistice Capital LLC2,356,000$2.57M0.0%-20.8%1.408%
11/14/2023 Schonfeld Strategic Advisors LLC586,042$639K0.0%-40.4%0.350%
11/14/2023 Stonepine Capital Management LLC5,273,685$5.75M1.9%+14.5%3.152%
11/14/2023 Monashee Investment Management LLC427,265$466K0.2%-25.4%0.255%
11/7/2023 Barclays PLC382,134$417K0.0%+334.8%0.232%
10/13/2023 SG Americas Securities LLC34,340$37K0.0%N/A0.021%
9/21/2023 Barclays PLC87,879$170K0.0%N/A0.053%
8/24/2023 Perceptive Advisors LLC3,545,454$6.88M0.2%-22.0%2.156%
8/16/2023 Stonepine Capital Management LLC4,605,263$8.93M3.2%N/A3.768%
8/15/2023 Bain Capital Life Sciences Investors LLC15,960,588$30.96M3.2%+30.8%13.060%
8/14/2023 Polar Capital Holdings Plc5,000,000$9.70M0.1%N/A4.091%
8/11/2023 AWM Investment Company Inc.100,000$194K0.0%N/A0.082%
8/10/2023 Monashee Investment Management LLC572,784$1.11M0.3%N/A0.469%
8/10/2023 Private Advisor Group LLC19,800$38K0.0%N/A0.016%
8/7/2023 Principal Financial Group Inc.13,804$27K0.0%N/A0.011%
8/7/2023 Royce & Associates LP53,490$104K0.0%N/A0.044%
8/4/2023 American International Group Inc.59,261$115K0.0%N/A0.048%
7/27/2023 Virtu Financial LLC15,077$29K0.0%-86.7%0.012%
7/24/2023 Vontobel Holding Ltd.45,000$87K0.0%N/A0.037%
7/19/2023 Grimes & Company Inc.15,000$29K0.0%N/A0.012%
5/15/2023Ghost Tree Capital LLC850,000$740K0.2%-15.0%0.696%
5/12/2023 Scoggin Management LP484,796$567K0.3%N/A0.397%
5/12/2023 CIBC Private Wealth Group LLC41,500$36K0.0%N/A0.034%
5/10/2023 Landscape Capital Management L.L.C.42,252$37K0.0%N/A0.035%
5/10/2023 Simplify Asset Management Inc.400,000$348K0.0%N/A0.327%
5/1/2023 Virtu Financial LLC113,489$99K0.0%N/A0.094%
2/10/2023 NEA Management Company LLC11,736,793$11.66M0.7%+79.9%16.952%
2/7/2023Lynwood Capital Management Inc.2,155,100$2.14M2.6%N/A3.113%
11/15/2022 Tri Locum Partners LP2,504,006$4.28M1.2%+44.0%3.617%
11/15/2022 Parkman Healthcare Partners LLC950,000$1.63M0.5%N/A1.372%
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11/15/2022 Bain Capital Life Sciences Investors LLC6,389,436$10.93M1.3%+111.6%9.228%
11/14/2022 NEA Management Company LLC6,523,157$11.16M0.6%N/A9.422%
11/14/2022 Cormorant Asset Management LP830,654$1.42M0.1%+698.9%1.200%
11/14/2022 Point72 Asset Management L.P.2,546,446$4.35M0.0%+55.9%3.678%
11/14/2022 Boothbay Fund Management LLC58,760$100K0.0%-67.3%0.085%
11/14/2022 AXA S.A.4,126,460$7.06M0.0%+258.7%5.960%
11/10/2022 Connor Clark & Lunn Investment Management Ltd.23,065$39K0.0%N/A0.033%
10/17/2022 LexAurum Advisors LLC16,000$27K0.0%N/A0.023%
8/12/2022 Ikarian Capital LLC1,679,748$1.62M0.3%+22.4%5.449%
5/12/2022 AIGH Capital Management LLC997,719$1.75M0.4%-31.9%3.237%
(Data available from 1/1/2016 forward)

XFOR Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of XFOR shares?

During the previous two years, 40 institutional investors and hedge funds held shares of X4 Pharmaceuticals. The most heavily invested institutionals were Vanguard Group Inc. ($10.88M), Polar Capital Holdings Plc ($8.18M), Stonepine Capital Management LLC ($5.75M), State Street Corp ($1.98M), Kingdon Capital Management L.L.C. ($1.66M), Armistice Capital LLC ($1.62M), and Ensign Peak Advisors Inc ($1.48M).Learn more on X4 Pharmaceuticals' institutional investors.

What percentage of X4 Pharmaceuticals' stock is owned by institutional investors?

72.03% of X4 Pharmaceuticals' stock is owned by institutional investors. Learn more on XFOR's institutional investor holdings.

Which institutional investors have been buying X4 Pharmaceuticals' stock?

Of the 28 institutional investors that purchased X4 Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Acorn Capital Advisors LLC ($7.31M), Kingdon Capital Management L.L.C. ($3.56M), GSA Capital Partners LLP ($1.13M), Bain Capital Life Sciences Investors LLC ($955.20K), Barclays PLC ($749.86K), Stonepine Capital Management LLC ($668.42K), and Pale Fire Capital SE ($633.40K).

How much institutional buying is happening at X4 Pharmaceuticals?

Institutional investors have bought a total of 12,865,642 shares in the last 24 months. This purchase volume represents approximately $238.36M in transactions.

Which of X4 Pharmaceuticals' major shareholders have been selling company stock?

Of the 12 institutional investors that sold X4 Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Bain Capital Life Sciences Investors LLC ($16.35M), Acorn Capital Advisors LLC ($7.16M), Geode Capital Management LLC ($3.64M), Pale Fire Capital SE ($1.98M), Sio Capital Management LLC ($1.20M), Schonfeld Strategic Advisors LLC ($527.97K), and OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC ($457.60K).

How much institutional selling is happening at X4 Pharmaceuticals?

Institutional investors have sold a total of 32,366,948 shares in the last 24 months. This volume of shares sold represents approximately $115.26M in transactions.


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This page (NASDAQ:XFOR) was last updated on 8/30/2025 by MarketBeat.com Staff
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