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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
AAF
376
Andra AP-fonden
Sweden
$1.19M
IMCOOI
377
Investment Management Corp of Ontario (IMCO)
Canada
$1.17M
NPT
378
National Philanthropic Trust
Pennsylvania
$1.16M
HIMCH
379
Hartford Investment Management Co (HIMCO)
Connecticut
$1.16M
Allianz Asset Management
380
Allianz Asset Management
Germany
$1.14M
CFM
381
Catalyst Funds Management
Australia
$1.14M
IA
382
Inspire Advisors
Idaho
$1.12M
WS
383
Wedbush Securities
California
$1.12M
CS
384
Candriam SCA
Luxembourg
$1.11M
BLC
385
Brown, Lisle/Cummings
Rhode Island
$1.11M
Kovitz Investment Group Partners
386
Kovitz Investment Group Partners
Illinois
$1.11M
TG
387
TCW Group
California
$1.1M
SC
388
Sepio Capital
Utah
$1.1M
GIA
389
Gateway Investment Advisers
Ohio
$1.1M
GBWM
390
Granite Bay Wealth Management
New Hampshire
$1.07M
FBC
391
Fairfield, Bush & Co
Connecticut
$1.06M
AA
392
Advisory Alpha
Michigan
$1.06M
M&T Bank
393
M&T Bank
New York
$1.04M
ACM
394
Aurdan Capital Management
Pennsylvania
$1.04M
DM
395
Delphi Management
Massachusetts
$1.03M
SC
396
Savant Capital
Illinois
$1.02M
AA
397
Ancora Advisors
Ohio
$1.01M
LSERS
398
Louisiana State Employees Retirement System
Louisiana
$1.01M
US Bancorp
399
US Bancorp
Minnesota
$1.01M
BP
400
Ballentine Partners
Massachusetts
$1M