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Mereo Biopharma Group PL (MREO)

Q2 2026 vs Q3 2026

Comparing institutional holders between quarters

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptionsShort Interest13D/13GPeersTargetingTrading SummaryProfile
Tejara Capital Ltd
DECREASED
Shares2,014,508 from 2,037,520
Change-23,012 (-1%)
Value$809.8K (+$162.5K)
Filed 2026-11-09
James J. Burns & Company, LLC
UNCHANGED
Shares95,400 from 95,400
Change0 (0%)
Value$38.4K (+$8.0K)
Filed 2026-10-22
Clear Harbor Asset Management, LLC
INCREASED
Shares85,500 from 32,000
Change+53,500 (+167%)
Value$34.8K (+$24.7K)
Filed 2026-11-05
Nfsg Corp
UNCHANGED
Shares18,750 from 18,750
Change0 (0%)
Value$7.5K (+$1.6K)
Filed 2026-10-15
Bank of Montreal
NEW
Shares17,500
Change+17,500
Value$7.0K
Filed 2026-11-09
StoneX Group Inc.
NEW
Shares15,479
Change+15,479
Value$4.5K
Filed 2026-11-03
Simplex Trading, LLC
DECREASED
Shares12,070 from 18,780
Change-6,710 (-36%)
Value$4.9K (-$1.1K)
Filed 2026-11-04
Citigroup Inc
INCREASED
Shares8,675 from 52
Change+8,623 (+16583%)
Value$3.5K (+$3.5K)
Filed 2026-11-04
Gamma Investing LLC
DECREASED
Shares1,991 from 9,308
Change-7,317 (-79%)
Value$800 (-$2.2K)
Filed 2026-10-08
Allworth Financial LP
UNCHANGED
Shares1,500 from 1,500
Change0 (0%)
Value$477 ($0)
Filed 2026-11-06
Markowski Investments
UNCHANGED
Shares1,500 from 1,500
Change0 (0%)
Value$603 (+$126)
Filed 2026-10-30
New England Capital Financial Advisors LLC
UNCHANGED
Shares300 from 300
Change0 (0%)
Value$121 (+$25)
Filed 2026-11-03
EverSource Wealth Advisors, LLC
UNCHANGED
Shares100 from 100
Change0 (0%)
Value$40 (+$8)
Filed 2026-11-04
US Bancorp \de\
UNCHANGED
Shares13 from 13
Change0 (0%)
Value$5 (+$1)
Filed 2026-11-05
JMN Financial LLC
CLOSED
Shares0 from 76,748
Change-76,748 (-100%)
Value$0 (-$24.4K)
Filed 2026-11-10
J. Safra Sarasin Holding AG
CLOSED
Shares0 from 12,841
Change-12,841 (-100%)
Value$0 (-$4.1K)
Filed 2026-10-26
SBI Securities Co., Ltd.
CLOSED
Shares0 from 114
Change-114 (-100%)
Value$0 (-$36)
Filed 2026-10-22
Axiom Investment Management LLC
CLOSED
Shares0 from 1
Change-1 (-100%)
Value$0 ($0)
Filed 2026-11-03
Caitong International Asset Management Co., Ltd
CLOSED
Shares0 from 1
Change-1 (-100%)
Value$0 ($0)
Filed 2026-10-29
Rubric Capital Management LPA
N/A
Shares— from 15,307,347
Change-15,307,347 (-100%)
Value—
683 Capital Management, LLC
N/A
Shares— from 11,777,856
Change-11,777,856 (-100%)
Value—
Bank of America Corp
N/A
Shares— from 8,195,281
Change-8,195,281 (-100%)
Value—
Defilade Capital Management, L.P.
N/A
Shares— from 7,558,756
Change-7,558,756 (-100%)
Value—
Newtyn Management, LLC
N/A
Shares— from 3,000,000
Change-3,000,000 (-100%)
Value—
UBS Group AG
N/A
Shares— from 1,447,627
Change-1,447,627 (-100%)
Value—
Two Sigma Investments, LP
N/A
Shares— from 1,319,241
Change-1,319,241 (-100%)
Value—
EcoR1 Capital, LLC
N/A
Shares— from 1,000,000
Change-1,000,000 (-100%)
Value—
Jane Street Group, LLC
N/A
Shares— from 774,944
Change-774,944 (-100%)
Value—
Ishara Investments LP
N/A
Shares— from 768,750
Change-768,750 (-100%)
Value—
Wealthspire Advisors, LLC
N/A
Shares— from 765,000
Change-765,000 (-100%)
Value—
Citadel Advisors LLC
N/A
Shares— from 444,158
Change-444,158 (-100%)
Value—
Rangeley Capital, LLC
N/A
Shares— from 329,200
Change-329,200 (-100%)
Value—
Susquehanna International Group, LLP
N/A
Shares— from 213,270
Change-213,270 (-100%)
Value—
Marshall Wace, LLP
N/A
Shares— from 179,884
Change-179,884 (-100%)
Value—
XTX Topco Ltd
N/A
Shares— from 174,481
Change-174,481 (-100%)
Value—
Group One Trading LLC
N/A
Shares— from 167,515
Change-167,515 (-100%)
Value—
State Street Corp
N/A
Shares— from 134,772
Change-134,772 (-100%)
Value—
Nomura Holdings Inc
N/A
Shares— from 104,361
Change-104,361 (-100%)
Value—
Quarry LP
N/A
Shares— from 93,750
Change-93,750 (-100%)
Value—
Goldman Sachs Group Inc
N/A
Shares— from 85,180
Change-85,180 (-100%)
Value—
BlackRock, Inc.
N/A
Shares— from 69,678
Change-69,678 (-100%)
Value—
Virtu Financial LLC
N/A
Shares— from 61,285
Change-61,285 (-100%)
Value—
JPMorgan Chase & Co
N/A
Shares— from 58,531
Change-58,531 (-100%)
Value—
Renaissance Technologies LLC
N/A
Shares— from 52,100
Change-52,100 (-100%)
Value—
Significant Wealth Partners LLC
N/A
Shares— from 32,677
Change-32,677 (-100%)
Value—
Rhumbline Advisers
N/A
Shares— from 26,784
Change-26,784 (-100%)
Value—
Centiva Capital, LP
N/A
Shares— from 25,000
Change-25,000 (-100%)
Value—
Engineers Gate Manager LP
N/A
Shares— from 23,953
Change-23,953 (-100%)
Value—
OneDigital Investment Advisors LLC
N/A
Shares— from 18,300
Change-18,300 (-100%)
Value—
Morgan Stanley
N/A
Shares— from 16,731
Change-16,731 (-100%)
Value—
IHT Wealth Management, LLC
N/A
Shares— from 15,000
Change-15,000 (-100%)
Value—
Two Sigma Securities, LLC
N/A
Shares— from 12,900
Change-12,900 (-100%)
Value—
SG Americas Securities, LLC
N/A
Shares— from 12,802
Change-12,802 (-100%)
Value—
MML Investors Services, LLC
N/A
Shares— from 12,200
Change-12,200 (-100%)
Value—
World Investment Advisors
N/A
Shares— from 10,000
Change-10,000 (-100%)
Value—
Astoria Portfolio Advisors Llc.
N/A
Shares— from 10,000
Change-10,000 (-100%)
Value—
Arax Advisory Partners
N/A
Shares— from 5,819
Change-5,819 (-100%)
Value—
Rockefeller Capital Management L.P.
N/A
Shares— from 2,000
Change-2,000 (-100%)
Value—
Osaic Holdings, Inc.
N/A
Shares— from 1,500
Change-1,500 (-100%)
Value—
SIT Investment Associates Inc
N/A
Shares— from 970
Change-970 (-100%)
Value—
Wells Fargo & Company
N/A
Shares— from 231
Change-231 (-100%)
Value—
BNP Paribas Financial Markets
N/A
Shares— from 3
Change-3 (-100%)
Value—
Status
Tejara Capital Ltd
DECREASED2,014,5082,037,520-23,012-1%$647.3K$809.8K+$162.5K2026-11-09
James J. Burns & Company, LLC
UNCHANGED95,40095,40000%$30.3K$38.4K+$8.0K2026-10-22
Clear Harbor Asset Management, LLC
INCREASED85,50032,000+53,500+167%$10.1K$34.8K+$24.7K2026-11-05
Nfsg Corp
UNCHANGED18,75018,75000%$6.0K$7.5K+$1.6K2026-10-15
Bank of Montreal
NEW17,500—+17,500——$7.0K—2026-11-09
StoneX Group Inc.
NEW15,479—+15,479——$4.5K—2026-11-03
Simplex Trading, LLC
DECREASED12,07018,780-6,710-36%$6.0K$4.9K-$1.1K2026-11-04
Citigroup Inc
INCREASED8,67552+8,623+16583%$17$3.5K+$3.5K2026-11-04
Gamma Investing LLC
DECREASED1,9919,308-7,317-79%$3.0K$800-$2.2K2026-10-08
Allworth Financial LP
UNCHANGED1,5001,50000%$477$477$02026-11-06
Markowski Investments
UNCHANGED1,5001,50000%$477$603+$1262026-10-30
New England Capital Financial Advisors LLC
UNCHANGED30030000%$96$121+$252026-11-03
EverSource Wealth Advisors, LLC
UNCHANGED10010000%$32$40+$82026-11-04
US Bancorp \de\
UNCHANGED131300%$4$5+$12026-11-05
JMN Financial LLC
CLOSED076,748-76,748-100%$24.4K$0-$24.4K2026-11-10
J. Safra Sarasin Holding AG
CLOSED012,841-12,841-100%$4.1K$0-$4.1K2026-10-26
SBI Securities Co., Ltd.
CLOSED0114-114-100%$36$0-$362026-10-22
Axiom Investment Management LLC
CLOSED01-1-100%$0$0$02026-11-03
Caitong International Asset Management Co., Ltd
CLOSED01-1-100%$0$0$02026-10-29
Rubric Capital Management LPA
N/A—15,307,347-15,307,347-100%$4.9M———
683 Capital Management, LLC
N/A—11,777,856-11,777,856-100%$3.7M———
Bank of America Corp
N/A—8,195,281-8,195,281-100%$2.6M———
Defilade Capital Management, L.P.
N/A—7,558,756-7,558,756-100%$2.4M———
Newtyn Management, LLC
N/A—3,000,000-3,000,000-100%$953.1K———
UBS Group AG
N/A—1,447,627-1,447,627-100%$460.3K———
Two Sigma Investments, LP
N/A—1,319,241-1,319,241-100%$419.1K———
EcoR1 Capital, LLC
N/A—1,000,000-1,000,000-100%$317.7K———
Jane Street Group, LLC
N/A—774,944-774,944-100%$246.2K———
Ishara Investments LP
N/A—768,750-768,750-100%$244.2K———
Wealthspire Advisors, LLC
N/A—765,000-765,000-100%$243.0K———
Citadel Advisors LLC
N/A—444,158-444,158-100%$141.1K———
Rangeley Capital, LLC
N/A—329,200-329,200-100%$104.6K———
Susquehanna International Group, LLP
N/A—213,270-213,270-100%$67.8K———
Marshall Wace, LLP
N/A—179,884-179,884-100%$57.6K———
XTX Topco Ltd
N/A—174,481-174,481-100%$55.4K———
Group One Trading LLC
N/A—167,515-167,515-100%$53.2K———
State Street Corp
N/A—134,772-134,772-100%$42.8K———
Nomura Holdings Inc
N/A—104,361-104,361-100%$33.2K———
Quarry LP
N/A—93,750-93,750-100%$29.8K———
Goldman Sachs Group Inc
N/A—85,180-85,180-100%$27.1K———
BlackRock, Inc.
N/A—69,678-69,678-100%$22.1K———
Virtu Financial LLC
N/A—61,285-61,285-100%$19———
JPMorgan Chase & Co
N/A—58,531-58,531-100%$19.4K———
Renaissance Technologies LLC
N/A—52,100-52,100-100%$16.6K———
Significant Wealth Partners LLC
N/A—32,677-32,677-100%$10.4K———
Rhumbline Advisers
N/A—26,784-26,784-100%$8.5K———
Centiva Capital, LP
N/A—25,000-25,000-100%$7.9K———
Engineers Gate Manager LP
N/A—23,953-23,953-100%$7.6K———
OneDigital Investment Advisors LLC
N/A—18,300-18,300-100%$5.8K———
Morgan Stanley
N/A—16,731-16,731-100%$5.3K———
IHT Wealth Management, LLC
N/A—15,000-15,000-100%$4.8K———
Two Sigma Securities, LLC
N/A—12,900-12,900-100%$4.1K———
SG Americas Securities, LLC
N/A—12,802-12,802-100%$4———
MML Investors Services, LLC
N/A—12,200-12,200-100%$3.9K———
World Investment Advisors
N/A—10,000-10,000-100%$3.3K———
Astoria Portfolio Advisors Llc.
N/A—10,000-10,000-100%$3.2K———
Arax Advisory Partners
N/A—5,819-5,819-100%$1.8K———
Rockefeller Capital Management L.P.
N/A—2,000-2,000-100%$635———
Osaic Holdings, Inc.
N/A—1,500-1,500-100%$479———
SIT Investment Associates Inc
N/A—970-970-100%$0———
Wells Fargo & Company
N/A—231-231-100%$73———
BNP Paribas Financial Markets
N/A—3-3-100%$1———
Showing 62 of 62 institutions