260 hedge funds and large institutions have $6.5B invested in Merus in 2025 Q3 according to their latest regulatory filings, with 104 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:

30% more funds holding

Funds holding: 200260 (+60)

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
260
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
SLAML
211
Swiss Life Asset Management Ltd
$238K
NS
212
NBC Securities
Alabama
$230K
PAG
213
Private Advisor Group
New Jersey
$226K
NAM
214
NTV Asset Management
West Virginia
$212K
CC
215
Corton Capital
Ontario, Canada
$211K
LPL Financial
216
LPL Financial
California
$208K
VPIM
217
Vanguard Personalized Indexing Management
California
$207K
Lord, Abbett & Co
218
Lord, Abbett & Co
New Jersey
$207K
Bessemer Group
219
Bessemer Group
New Jersey
$204K
William Blair & Company
220
William Blair & Company
Illinois
$203K
VIA
221
Virtus Investment Advisers
Connecticut
$193K
AF
222
Avanza Fonder
Sweden
$181K
PCM
223
PenderFund Capital Management
British Columbia, Canada
$169K
GFM
224
GF Fund Management
China
$153K
QCG
225
Quadrant Capital Group
Ohio
$118K