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873 hedge funds and large institutions have $14B invested in Masco in 2025 Q3 according to their latest regulatory filings, with 110 funds opening new positions, 308 increasing their positions, 297 reducing their positions, and 71 closing their positions.

New
Increased
Maintained
Reduced
Closed

311% more call options, than puts

Call options by funds: $43.7M | Put options by funds: $10.6M

55% more first-time investments, than exits

New positions opened: 110 | Existing positions closed: 71

9% more capital invested

Capital invested by funds: $12.9B → $14B (+$1.18B)

3% more funds holding

Funds holding: 849873 (+24)

4% more repeat investments, than reductions

Existing positions increased: 308 | Existing positions reduced: 297

0.68% more ownership

Funds ownership: 94.68%95.36% (+0.68%)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
873
Holders Change
+24
Holders Change %
+2.83%
% of All Funds
11.46%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
110
Increased
308
Reduced
297
Closed
71
Calls
$43.7M
Puts
$10.6M
Net Calls
+$33M
Net Calls Change
+$15.5M
Name Holding Trade Value Shares
Change
Change in
Stake
Russell Investments Group
51
Russell Investments Group
United Kingdom
$46.6M +$28.9M +410,471 +164%
Ameriprise
52
Ameriprise
Minnesota
$45.3M -$106M -1,512,296 -70%
KBC Group
53
KBC Group
Belgium
$42.9M -$9.08M -129,024 -17%
Swiss National Bank
54
Swiss National Bank
Switzerland
$42.8M -$2.29M -32,600 -5%
VNIM
55
Vaughan Nelson Investment Management
Texas
$42.8M +$42.8M +607,655 New
SCP
56
Seizert Capital Partners
Michigan
$42.3M +$109K +1,550 +0.3%
Assenagon Asset Management
57
Assenagon Asset Management
Luxembourg
$41.9M +$35.3M +501,813 +540%
Qube Research & Technologies (QRT)
58
Qube Research & Technologies (QRT)
United Kingdom
$40.3M -$76.7M -1,090,224 -66%
Victory Capital Management
59
Victory Capital Management
Texas
$39.2M -$931K -13,231 -2%
Mitsubishi UFJ Asset Management
60
Mitsubishi UFJ Asset Management
Japan
$39.2M +$1.53M +21,755 +4%
BTW
61
Boston Trust Walden
Massachusetts
$37M +$34.5K +490 +0.1%
Raymond James Financial
62
Raymond James Financial
Florida
$36.4M +$2.47M +35,099 +7%
RhumbLine Advisers
63
RhumbLine Advisers
Massachusetts
$36.1M -$580K -8,236 -2%
BNP Paribas Financial Markets
64
BNP Paribas Financial Markets
France
$34.7M +$16.1M +228,403 +86%
Sumitomo Mitsui Trust Group
65
Sumitomo Mitsui Trust Group
Japan
$34.5M +$497K +7,062 +1%
Barclays
66
Barclays
United Kingdom
$34.2M -$2.5M -35,489 -7%
Fuller & Thaler Asset Management
67
Fuller & Thaler Asset Management
California
$32.2M +$4.92M +69,886 +18%
California Public Employees Retirement System
68
California Public Employees Retirement System
California
$32M -$160K -2,279 -0.5%
California State Teachers Retirement System (CalSTRS)
69
California State Teachers Retirement System (CalSTRS)
California
$31.9M -$1.38M -19,605 -4%
HSBC Holdings
70
HSBC Holdings
United Kingdom
$31.3M +$5.23M +74,313 +20%
HTC
71
Haverford Trust Company
Pennsylvania
$31.2M -$966K -13,721 -3%
New York State Common Retirement Fund
72
New York State Common Retirement Fund
New York
$30.1M -$479K -6,800 -2%
Acadian Asset Management
73
Acadian Asset Management
Massachusetts
$29.9M -$1.1M -15,690 -4%
Fidelity Investments
74
Fidelity Investments
Massachusetts
$29.7M -$265K -3,763 -0.9%
DDPIC
75
Deroy & Devereaux Private Investment Counsel
Michigan
$29.2M -$189K -2,682 -0.6%

MAS Hedge Fund Activity: Q3 2025 in Review

873 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Masco (MAS) for Q3 2025, worth a combined $14B — up 9.2% from $12.9B a quarter earlier.

Buyers outnumbered sellers: 110 funds opened new MAS positions and 71 closed out — a net gain of 39 holders — while 308 added to existing stakes and 297 trimmed.

The largest buyer was Wellington Management Group, opening a new position worth an estimated $193M. The largest seller was Millennium Management, cutting an estimated $144M.

  • 873 institutional investors held Masco (MAS) as of Q3 2025, up from 849 in Q2 2025.
  • Funds reported $14B of Masco stock for Q3 2025, up 9.2% quarter-over-quarter.
  • 110 funds opened new Masco positions in Q3 2025 and 71 closed out, a net change of +39 holders.
  • The largest Masco buyer in Q3 2025 was Wellington Management Group, an estimated $193M added.
  • The largest Masco seller in Q3 2025 was Millennium Management, an estimated $144M sold.

Based on aggregated 13F filings for Q3 2025.