258 hedge funds and large institutions have $6.5B invested in Merus in 2025 Q3 according to their latest regulatory filings, with 102 funds opening new positions, 64 increasing their positions, 72 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

29% more funds holding

Funds holding: 200258 (+58)

11% less repeat investments, than reductions

Existing positions increased: 64 | Existing positions reduced: 72

16.74% less ownership

Funds ownership: 108.08%91.34% (-17%)

Holders
258
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
32
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$169M
Puts
$82.2M
Net Calls
Net Calls Change

Top Buyers

1 +$268M
2 +$152M
3 +$106M
4
Goldman Sachs
Goldman Sachs
New York
+$103M
5
KC
Kryger Capital
United Kingdom
+$99.2M

Top Sellers

1 -$441M
2 -$308M
3 -$194M
4
RI
RTW Investments
New York
-$186M
5
Franklin Resources
Franklin Resources
California
-$126M
Name Holding Trade Value Shares
Change
Change in
Stake
TSW
201
Three Seasons Wealth
Utah
$284K
FCM
202
Farallon Capital Management
California
$282K
DC
203
Diametric Capital
Massachusetts
$282K
GC
204
Guggenheim Capital
Illinois
$279K
Mirae Asset Global Investments
205
Mirae Asset Global Investments
South Korea
$275K
Wells Fargo
206
Wells Fargo
California
$275K
Two Sigma Advisers
207
Two Sigma Advisers
New York
$254K
ProShare Advisors
208
ProShare Advisors
Maryland
$254K
WAM
209
Wolverine Asset Management
Illinois
$252K
Walleye Capital
210
Walleye Capital
New York
$243K
NS
211
NBC Securities
Alabama
$230K
PAG
212
Private Advisor Group
New Jersey
$226K
NAM
213
NTV Asset Management
West Virginia
$212K
CC
214
Corton Capital
Ontario, Canada
$211K
LPL Financial
215
LPL Financial
California
$208K
VPIM
216
Vanguard Personalized Indexing Management
California
$207K
Lord, Abbett & Co
217
Lord, Abbett & Co
New Jersey
$207K
Bessemer Group
218
Bessemer Group
New Jersey
$204K
William Blair & Company
219
William Blair & Company
Illinois
$203K
VIA
220
Virtus Investment Advisers
Connecticut
$193K
AF
221
Avanza Fonder
Sweden
$181K
PCM
222
PenderFund Capital Management
British Columbia, Canada
$169K
GFM
223
GF Fund Management
China
$153K
QCG
224
Quadrant Capital Group
Ohio
$118K
QT
225
Quantbot Technologies
New York
$114K