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X4 Pharmaceuticals, Inc hedge fund holdings

XFORNASDAQ
$2.77-0.13 (-4.48% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

XFOR · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (-17.8%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20252152$1.09M$1.85M47Aug 14, 2025
Q3 20252225$46.1M$2.21M38Nov 14, 2025
Q4 20254611$212M$7.76M75Feb 14, 2026
Q1 20263623$48.7M$16.6M81May 15, 2026
Q2 20264734$71.4M$28.3M85Aug 14, 2026

Quarterly action breakdown

Q2 2026
85 filers
New position
25
$7.82M+1.67M sh
Increased
22
$63.6M+13.6M sh
Reduced
12
-$21.6M-4.62M sh
Out / sold
22
-$6.7M-1.44M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Nantahala Capital Management, LLCAdded 100.00%+$11.4M$22.9M0.38%Aug 19, 2026
Empery Asset Management, LPReduce 22.51%-$9.4M$32.4M37.43%Aug 11, 2026
Venrock Adviser, LLCAdded 485.21%+$7.49M$9.03M0.27%Aug 14, 2026
Perceptive Advisors LLCAdded 17.75%+$5.58M$37M0.56%Aug 14, 2026
Saturn V Capital Management LPAdded 8.00%+$2.41M$32.6M4.67%Aug 14, 2026
Deep Track Capital, LPReduce 7.27%-$2.15M$27.5M0.40%Aug 14, 2026
Samsara Biocapital, LLCReduce 23.85%-$2.04M$6.52M0.54%Aug 14, 2026
Braidwell LPReduce 10.70%-$1.64M$13.6M0.50%Aug 14, 2026
Acorn Capital Advisors, LLCSell 100%-$967K$00.00%Aug 14, 2026
Pale Fire Capital SESell 100%-$692K$00.00%Aug 13, 2026
Stonepine Capital Management, LLCReduce 32.90%-$515K$1.05M0.59%Aug 17, 2026
Palumbo Wealth Management LLCReduce 48.77%-$298K$313K0.07%Aug 12, 2026
Wellington Management Group LLPNew Buy+$242K$242K0.00%Aug 14, 2026
OMERS ADMINISTRATION CorpSell 100%-$237K$00.00%Aug 13, 2026
Catalyst Funds Management Pty LtdSell 100%-$196K$00.00%Aug 10, 2026
Axq Capital, LPNew Buy+$107K$107K0.01%Aug 6, 2026
Jefferies Financial Group Inc.Sell 100%-$80.4K$00.00%Aug 17, 2026
Susquehanna Portfolio Strategies, LLCReduce 14.93%-$71.5K$408K0.01%Aug 14, 2026
Pettinga Financial Advisors LLCNew Buy+$46.7K$46.7K0.01%Jul 9, 2026
SummitTX Capital, L.P.Sell 100%-$46.3K$00.00%Aug 14, 2026

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