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W.R. Berkley

920 hedge funds and large institutions have $18.5B invested in W.R. Berkley in 2026 Q1 according to their latest regulatory filings, with 97 funds opening new positions, 243 increasing their positions, 421 reducing their positions, and 106 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

3% less funds holding

Funds holding: 947920 (-27)

7% less capital invested

Capital invested by funds: $20B → $18.5B (-$1.48B)

42% less repeat investments, than reductions

Existing positions increased: 243 | Existing positions reduced: 421

Holders
920
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$14.3M
Puts
$5.38M
Net Calls
Net Calls Change

Top Buyers

1 +$568M
2 +$88.3M
3 +$78.5M
4
Jane Street
Jane Street
New York
+$68.7M
5
Morgan Stanley
Morgan Stanley
New York
+$42.3M
Name Holding Trade Value Shares
Change
Change in
Stake
SMDAM
276
Sumitomo Mitsui DS Asset Management
Japan
$2.4M
TC
277
TwinBeech Capital
New York
$2.39M
WorldQuant Millennium Advisors
278
WorldQuant Millennium Advisors
New York
$2.38M
TWC
279
TD Waterhouse Canada
Ontario, Canada
$2.38M
ATC
280
Argent Trust Co
Tennessee
$2.33M
PFSRSONJ
281
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.32M
Bank Julius Baer & Co
282
Bank Julius Baer & Co
Switzerland
$2.27M
OPERF
283
Oregon Public Employees Retirement Fund
Oregon
$2.27M
AF
284
Avanza Fonder
Sweden
$2.26M
EI
285
Ethic Inc
New York
$2.26M
BCIM
286
British Columbia Investment Management
British Columbia, Canada
$2.26M
EMPI
287
Elo Mutual Pension Insurance
Finland
$2.22M
ET
288
Entropy Technologies
New York
$2.22M
FA
289
Faithward Advisors
Pennsylvania
$2.22M
APIM
290
Agate Pass Investment Management
Washington
$2.2M
DCM
291
Dean Capital Management
Kansas
$2.2M
YIH
292
Y-Intercept (HK)
Hong Kong
$2.19M
PAM
293
Panagora Asset Management
Massachusetts
$2.17M
NAM
294
Nissay Asset Management
Japan
$2.16M
SPIA
295
Steward Partners Investment Advisory
New York
$2.14M
MOACM
296
Mutual of America Capital Management
New York
$2.1M
Marshall Wace
297
Marshall Wace
United Kingdom
$2.1M
LIM
298
Leavell Investment Management
Alabama
$2.06M
OAM
299
OP Asset Management
$2.04M
ACM
300
Alamar Capital Management
California
$2.03M