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Mersana Therapeutics Inc

Q3 2025 vs Q4 2025

Comparing institutional holders between quarters

Quarters

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile
Essential Partners LLC
DECREASED
Shares82 from 116
Change-34 (-29%)
Value$2.4K (+$1.5K)
Filed 2026-05-21
EverSource Wealth Advisors, LLC
DECREASED
Shares11 from 14
Change-3 (-21%)
Value$318 (+$209)
Filed 2026-02-06
North Star Investment Management Corp.
UNCHANGED
Shares6 from 6
Change0 (0%)
Value$174 (+$127)
Filed 2026-01-30
Luminus Management LLC
CLOSED
Shares0 from 50,000
Change-50,000 (-100%)
Value$0 (-$388.0K)
Filed 2026-02-17
CWM, LLC
CLOSED
Shares0 from 2,878
Change-2,878 (-100%)
Value$0 (-$22)
Filed 2026-01-26
Osaic Holdings, Inc.
CLOSED
Shares0 from 2,500
Change-2,500 (-100%)
Value$0 (-$725)
Filed 2026-02-17
IFP Advisors, Inc
CLOSED
Shares0 from 610
Change-610 (-100%)
Value$0 (-$188)
Filed 2026-02-06
Status
Essential Partners LLC
DECREASED82116-34-29%$900$2.4K+$1.5K2026-05-21
EverSource Wealth Advisors, LLC
DECREASED1114-3-21%$109$318+$2092026-02-06
North Star Investment Management Corp.
UNCHANGED6600%$47$174+$1272026-01-30
Luminus Management LLC
CLOSED050,000-50,000-100%$388.0K$0-$388.0K2026-02-17
CWM, LLC
CLOSED02,878-2,878-100%$22$0-$222026-01-26
Osaic Holdings, Inc.
CLOSED02,500-2,500-100%$725$0-$7252026-02-17
IFP Advisors, Inc
CLOSED0610-610-100%$188$0-$1882026-02-06
Showing 7 of 7 institutions