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Mercury Insurance
MCY

314 hedge funds and large institutions have $2.42B invested in Mercury Insurance in 2025 Q4 according to their latest regulatory filings, with 60 funds opening new positions, 99 increasing their positions, 105 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,093% more call options, than puts

Call options by funds: $50.1M | Put options by funds: $4.2M

100% more first-time investments, than exits

New positions opened: 60 | Existing positions closed: 30

12% more capital invested

Capital invested by funds: $2.17B → $2.42B (+$250M)

9% more funds holding

Funds holding: 287 → 314 (+27)

0.23% more ownership

Funds ownership: 46.2% → 46.44% (+0.23%)

6% less repeat investments, than reductions

Existing positions increased: 99 | Existing positions reduced: 105

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

Holders
314
Holders Change
+27
Holders Change %
+9.41%
% of All Funds
3.82%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
60
Increased
99
Reduced
105
Closed
30
Calls
$50.1M
Puts
$4.2M
Net Calls
+$45.9M
Net Calls Change
+$16.4M

Top Buyers

1
American Century Companies
American Century Companies
Missouri
+$10.5M
2
PCM
Philosophy Capital Management
California
+$10.2M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$8.99M
4
BlackRock
BlackRock
New York
+$5.99M
5
PWAM
Park West Asset Management
California
+$4.07M

Top Sellers

1
Invesco
Invesco
Georgia
-$14.2M
2
Renaissance Technologies
Renaissance Technologies
New York
-$14M
3
FCM
FJ Capital Management
Virginia
-$7.09M
4
Deutsche Bank
Deutsche Bank
Germany
-$5.9M
5
WHG
Westwood Holdings Group
Texas
-$5.42M
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$438M +$5.99M +69,098 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$291M -$2.72M -31,384 -1%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$198M +$2.03M +23,353 +1%
RCMNY
4
Rubric Capital Management (New York)
New York
$193M – – –
State Street
5
State Street
Massachusetts
$104M -$5.29M -60,952 -5%
Renaissance Technologies
6
Renaissance Technologies
New York
$82.9M -$14M -161,800 -16%
American Century Companies
7
American Century Companies
Missouri
$65.8M +$10.5M +120,820 +21%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$59.6M -$97.5K -1,124 -0.2%
DCM
9
DG Capital Management
New York
$58.3M -$2.71M -31,247 -5%
Arrowstreet Capital
10
Arrowstreet Capital
Massachusetts
$54.1M -$678K -7,814 -1%
WHG
11
Westwood Holdings Group
Texas
$43.8M -$5.42M -62,477 -12%
Jacobs Levy Equity Management
12
Jacobs Levy Equity Management
New Jersey
$38.4M +$1.5M +17,306 +4%
Morgan Stanley
13
Morgan Stanley
New York
$36.3M +$3.26M +37,577 +11%
Charles Schwab
14
Charles Schwab
California
$34.2M -$1.06M -12,179 -3%
AQR Capital Management
15
AQR Capital Management
Connecticut
$32.1M -$145K -1,671 -0.5%
PWAM
16
Park West Asset Management
California
$31M +$4.07M +46,907 +17%
Invesco
17
Invesco
Georgia
$29.4M -$14.2M -163,193 -34%
N
18
Nuveen
North Carolina
$27.1M -$1.23M -14,175 -5%
Northern Trust
19
Northern Trust
Illinois
$24.4M -$1.45M -16,719 -6%
PCM
20
Philosophy Capital Management
California
$24.1M +$10.2M +117,455 +85%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$23.4M -$3.21M -36,988 -13%
Two Sigma Investments
22
Two Sigma Investments
New York
$20.1M -$1.38M -15,908 -7%
Qube Research & Technologies (QRT)
23
Qube Research & Technologies (QRT)
United Kingdom
$17.3M +$8.99M +103,649 +129%
Connor, Clark & Lunn Investment Management (CC&L)
24
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$15.4M -$4.51M -51,959 -24%
BNP Paribas Financial Markets
25
BNP Paribas Financial Markets
France
$15.3M +$3.63M +41,793 +35%
1
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MCY Hedge Fund Activity: Q4 2025 in Review

314 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Mercury Insurance (MCY) for Q4 2025, worth a combined $2.42B — up 12% from $2.17B a quarter earlier.

Buyers outnumbered sellers: 60 funds opened new MCY positions and 30 closed out — a net gain of 30 holders — while 99 added to existing stakes and 105 trimmed.

The largest buyer was American Century Companies, adding an estimated $10.5M. The largest seller was Invesco, cutting an estimated $14.2M.

  • 314 institutional investors held Mercury Insurance (MCY) as of Q4 2025, up from 287 in Q3 2025.
  • Funds reported $2.42B of Mercury Insurance stock for Q4 2025, up 12% quarter-over-quarter.
  • 60 funds opened new Mercury Insurance positions in Q4 2025 and 30 closed out, a net change of +30 holders.
  • The largest Mercury Insurance buyer in Q4 2025 was American Century Companies, an estimated $10.5M added.
  • The largest Mercury Insurance seller in Q4 2025 was Invesco, an estimated $14.2M sold.

Based on aggregated 13F filings for Q4 2025.