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Mereo BioPharma Group plc hedge fund holdings

MREONASDAQ
$0.38+0.01 (+3.54%)as of Oct 2, 2026

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

MREO · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-81.5%). 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 20254026$20.5M$50.6M84Aug 14, 2025
Q3 20253326$27.6M$28.1M81Nov 14, 2025
Q4 20252748$11.7M$27.7M68Feb 14, 2026
Q1 20262531$11.2M$5.7M60May 15, 2026
Q2 20262118$1.13M$5.85M59Aug 14, 2026

Quarterly action breakdown

Q2 2026
59 filers
New position
12
$512K+1.61M sh
Increased
9
$622K+1.95M sh
Reduced
6
-$5.56M-17.5M sh
Out / sold
12
-$283K-890K sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
EcoR1 Capital, LLCReduce 92.52%-$3.93M$318K0.02%Aug 14, 2026
Newtyn Management, LLCReduce 57.62%-$1.3M$953K0.12%Aug 14, 2026
Ishara Investments LPNew Buy+$244K$244K0.18%Aug 14, 2026
Knott David M JrSell 100%-$99.1K$00.00%Aug 12, 2026
683 Capital Management, LLCReduce 1.85%-$70.6K$3.74M0.18%Aug 14, 2026
ADAR1 Capital Management, LLCSell 100%-$49.5K$00.00%Aug 14, 2026
Forefront Analytics, LLCSell 100%-$42.2K$00.00%Aug 13, 2026
James J. Burns & Company, LLCNew Buy+$30.3K$30.3K0.00%Aug 6, 2026
Quarry LPNew Buy+$29.8K$29.8K0.00%Aug 14, 2026
JMN Financial LLCNew Buy+$24.4K$24.4K0.02%Aug 10, 2026
SmartHarvest Portfolios, LLCSell 100%-$16.3K$00.00%Aug 4, 2026
Independent Advisor AllianceSell 100%-$11.6K$00.00%Aug 12, 2026
Three Magnolias Financial Advisors, LLCSell 100%-$6.27K$00.00%Jul 31, 2026
Baader Bank AktiengesellschaftSell 100%-$2.67K$00.00%Jul 23, 2026
Significant Wealth Partners LLCAdded 27.48%+$2.24K$10.4K0.01%Jul 14, 2026
Clear Harbor Asset Management, LLCReduce 8.57%-$945$10.1K0.00%Aug 12, 2026
Sound Income Strategies, LLCSell 100%-$22$00.00%Jul 20, 2026

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