Skip to main content

Mereo BioPharma Group plc

MREO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001719714

No open-market purchases or sales by Mereo BioPharma Group plc insiders were filed in the last 90 days; 60 institutions reported holding it in 13F filings for Q2 2026, worth $18.0M in total; no superinvestor holds it.

13F holders, Q2 2024

Institutional positions in Mereo BioPharma Group plc as of Jun 30, 2024. 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
79
0 vs. Q1 2024
Shares held
100.5M
+16.5M (+19.6%) vs. Q1 2024
Total value
$361.9M
+$84.6M (+30.5%) vs. Q1 2024
New holders
15
20 more added
Sold out
15
27 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MREO 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 2024: 79 institutions
Q1 2021: 67 institutionsQ2 2021: 72 institutionsQ3 2021: 63 institutionsQ4 2021: 73 institutionsQ1 2022: 60 institutionsQ2 2022: 64 institutionsQ3 2022: 63 institutionsQ4 2022: 61 institutionsQ1 2023: 58 institutionsQ2 2023: 53 institutionsQ3 2023: 56 institutionsQ4 2023: 64 institutionsQ1 2024: 80 institutionsQ2 2024: 79 institutionsQ3 2024: 77 institutionsQ4 2024: 91 institutionsQ1 2025: 90 institutionsQ2 2025: 86 institutionsQ3 2025: 84 institutionsQ4 2025: 70 institutionsQ1 2026: 63 institutionsQ2 2026: 60 institutions
Value heldQ2 2024: $361.9M
Q1 2021: $304.5MQ2 2021: $284.4MQ3 2021: $212.2MQ4 2021: $145.7MQ1 2022: $99.9MQ2 2022: $82.7MQ3 2022: $58.5MQ4 2022: $46.2MQ1 2023: $43.0MQ2 2023: $84.3MQ3 2023: $90.4MQ4 2023: $181.4MQ1 2024: $277.3MQ2 2024: $361.9MQ3 2024: $434.8MQ4 2024: $403.1MQ1 2025: $250.3MQ2 2025: $267.8MQ3 2025: $206.7MQ4 2025: $25.8MQ1 2026: $24.9MQ2 2026: $18.0M
Institutions holding MREO and their total value by quarter
QuarterHoldersValue
Q2 202660$18.0M
Q1 202663$24.9M
Q4 202570$25.8M
Q3 202584$206.7M
Q2 202586$267.8M
Q1 202590$250.3M
Q4 202491$403.1M
Q3 202477$434.8M
Q2 202479$361.9M
Q1 202480$277.3M
Q4 202364$181.4M
Q3 202356$90.4M
Q2 202353$84.3M
Q1 202358$43.0M
Q4 202261$46.2M
Q3 202263$58.5M
Q2 202264$82.7M
Q1 202260$99.9M
Q4 202173$145.7M
Q3 202163$212.2M
Q2 202172$284.4M
Q1 202167$304.5M

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q1 2024.

Institutions holding MREO in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Royal Bank of Canada28$00.00%00.0%Unchanged
US Bancorp13$470.00%−400−96.9%Reduced
Barclays PLC38$1370.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC48$1730.00%00.0%Unchanged
Wells Fargo & Company230$8260.00%00.0%Unchanged
New England Capital Financial Advisors LLC300$1.08K0.00%00.0%Unchanged
JPMorgan Chase & Co365$1.31K0.00%−37,757−99.0%Reduced
Quadrant Capital Group LLC398$1.43K0.00%−341−46.1%Reduced
Signaturefd, LLC679$2.44K0.00%−141−17.2%Reduced
Sit Investment Associates Inc970$3.00K0.00%00.0%Unchanged
BFSG, LLC1,000$3.60K0.00%00.0%Unchanged
Allworth Financial LP1,500$5.82K0.00%00.0%Unchanged
Lindbrook Capital, LLC1,665$5.99K0.00%−635−27.6%Reduced
SRS Capital Advisors, Inc.4,000$14.4K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.4,524$16.3K0.00%+4,524New
GAMMA Investing LLC6,765$24.4K0.00%+778+13.0%Added
Rhumbline Advisers6,958$25.0K0.00%+2,887+70.9%Added
Level Four Advisory Services, LLC10,000$36.0K0.00%−10,000−50.0%Reduced
Newbridge Financial Services Group, Inc.11,700$42.1K0.02%00.0%Unchanged
Adviser Investments LLC12,550$45.2K0.00%+12,550New
Two Sigma Securities, LLC13,926$50.1K0.00%+13,926New
Virtu Financial LLC14,152$51.0K0.00%+14,152New
Manufacturers Life Insurance Company, The14,621$52.6K0.00%−104,357−87.7%Reduced
BlackRock Inc.16,792$60.5K0.00%−16,051−48.9%Reduced
PFG Investments, LLC17,000$61.2K0.00%−14,200−45.5%Reduced
Resources Investment Advisors, LLC.18,300$65.9K0.00%−213−1.2%Reduced
BNP Paribas Arbitrage, SA20,535$73.9K0.00%+3,100+17.8%Added
Golden State Equity Partners24,800$89.3K0.02%+24,800New
Centiva Capital, LP25,000$90.0K0.00%00.0%Unchanged
Advisors Preferred, LLC24,813$90.1K0.02%+16,551+200.3%Added
Squarepoint Ops LLC27,297$98.3K0.00%−20,390−42.8%Reduced
HSBC Holdings PLC28,577$99.6K0.00%00.0%Unchanged
Qube Research & Technologies Ltd33,287$119.8K0.00%−76,040−69.6%Reduced
Forefront Analytics, LLC36,231$130.4K0.06%−7,586−17.3%Reduced
Simplex Trading, LLC41,393$149.0K0.00%+12,151+41.6%Added
Clear Harbor Asset Management, LLC43,500$156.6K0.01%−2,500−5.4%Reduced
Fred Alger Management, LLC49,304$177.5K0.00%−145,575−74.7%Reduced
Primecap Management Co54,000$194.4K0.00%00.0%Unchanged
ADAR1 Capital Management, LLC55,400$199.4K0.04%+55,400New
Standard Life Aberdeen plc73,168$263.4K0.00%−744,141−91.0%Reduced
Suvretta Capital Management, LLC75,000$270.0K0.01%−3,578,494−97.9%Reduced
Bank of America Corp84,018$302.5K0.00%+5,300+6.7%Added
Jane Street Group, LLC84,593$304.5K0.00%−2,280−2.6%Reduced
Geode Capital Management, LLC92,156$331.8K0.00%−4,474−4.6%Reduced
Polar Asset Management Partners Inc.145,800$524.9K0.01%+145,800New
Two Sigma Investments, LP201,776$726.4K0.00%−149,953−42.6%Reduced
Morgan Stanley207,736$747.9K0.00%−1,174,953−85.0%Reduced
Verition Fund Management LLC226,494$815.4K0.01%−258,942−53.3%Reduced
J. Goldman & Co LP227,890$820.4K0.03%−50,698−18.2%Reduced
Knott David M Jr236,000$850.0K0.34%+206,000+686.7%Added
Knoll Capital Management, LLC260,470$937.7K0.63%00.0%Unchanged
Cantor Fitzgerald, L. P.275,000$990.0K0.20%+275,000New
Monaco Asset Management SAM348,128$1.25M0.63%−56,872−14.0%Reduced
Citadel Advisors LLC408,989$1.47M0.00%+365,082+831.5%Added
Artia Global Partners LP421,359$1.52M0.39%00.0%Unchanged
Eversept Partners, LP496,171$1.79M0.14%+496,171New
Acuta Capital Partners, LLC677,000$2.44M2.05%+279,116+70.2%Added
Susquehanna International Group, LLP840,264$3.02M0.01%−779,363−48.1%Reduced
Blue Owl Capital Holdings LP897,809$3.23M0.90%+897,809New
NEOS Investment Management LLC959,467$3.45M0.14%+336,037+53.9%Added
Marshall Wace, LLP1,144,051$4.12M0.01%+1,144,051New
Soleus Capital Management, L.P.1,246,953$4.49M0.40%−1,370,000−52.4%Reduced
Perceptive Advisors LLC1,253,250$4.51M0.11%+1,253,250New
Renaissance Technologies LLC1,762,003$6.34M0.01%+89,694+5.4%Added
Integral Health Asset Management, LLC1,775,000$6.39M0.64%+825,000+86.8%Added
Goldman Sachs Group Inc2,507,513$9.03M0.00%+263,699+11.8%Added
Tejara Capital Ltd2,615,458$9.42M3.43%+145,274+5.9%Added
Millennium Management LLC3,201,705$11.5M0.01%+1,022,570+46.9%Added
Clearline Capital LP3,326,718$12.0M1.05%00.0%Unchanged
Frazier Life Sciences Management, L.P.4,401,371$15.8M0.74%+4,401,371New
Alkeon Capital Management LLC4,698,100$16.9M0.09%+460,000+10.9%Added
683 Capital Management, LLC5,000,000$18.0M1.89%−750,000−13.0%Reduced
Deerfield Management Company, L.P. (Series C)6,710,429$24.2M0.40%+6,710,429New
Janus Henderson Group PLC7,880,882$28.4M0.02%+2,760,309+53.9%Added
Mangrove Partners8,752,893$31.5M2.83%00.0%Unchanged
Rock Springs Capital Management LP9,283,492$33.4M1.01%+1,141,383+14.0%Added
Adage Capital Partners GP, L.L.C.11,791,310$42.4M0.08%+2,462,571+26.4%Added
Rubric Capital Management LP15,307,347$55.1M1.45%+1,754,350+12.9%Added
Ariadne Wealth Management, LP3,499––+3,499New
Price T Rowe Associates Inc0$00.00%−991,971−100.0%Sold out
EAM Global Investors LLC0$00.00%−195,087−100.0%Sold out
TD Asset Management Inc0$00.00%−148,000−100.0%Sold out
Jump Financial, LLC0$00.00%−126,500−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−75,787−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−55,903−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−47,030−100.0%Sold out
Index Fund Advisors, Inc.0$00.00%−30,000−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−26,179−100.0%Sold out
SG Americas Securities, LLC0$00.00%−16,221−100.0%Sold out
GTS Securities LLC0$00.00%−15,664−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−11,860−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−7,145−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−1,900−100.0%Sold out
ICA Group Wealth Management, LLC0$00.00%−1,000−100.0%Sold out
Highlander Capital Management, LLC––––Not filed