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Mediaco Holding
MDIA

15 hedge funds and large institutions have $92.9M invested in Mediaco Holding in 2025 Q3 according to their latest regulatory filings, with 2 funds opening new positions, 6 increasing their positions, 2 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 2

90% more capital invested

Capital invested by funds: $49M → $92.9M (+$43.9M)

58.37% more ownership

Funds ownership: 93.13% → 151.5% (+58%)

12% less funds holding

Funds holding: 17 → 15 (-2)

33% less first-time investments, than exits

New positions opened: 2 | Existing positions closed: 3

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

Holders
15
Holders Change
-2
Holders Change %
-11.76%
% of All Funds
0.2%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
2
Increased
6
Reduced
2
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$46.1M
2
JP Morgan Chase
JP Morgan Chase
New York
+$2.53M
3
UBS Group
UBS Group
Switzerland
+$63.7K
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$57K
5
Vanguard Group
Vanguard Group
Pennsylvania
+$45K

Top Sellers

Rank Fund Capital Flow
1
SG
Standard General
New York
-$2.75M
2
Millennium Management
Millennium Management
New York
-$39.5K
3
Citigroup
Citigroup
New York
-$566
4
Wells Fargo
Wells Fargo
California
-$124
5
Raymond James Financial
Raymond James Financial
Florida
-$14
Name Holding Trade Value Shares
Change 		Change in
Stake
SG
1
Standard General
New York
$45M -$2.75M -2,105,596 -6%
BlackRock
2
BlackRock
New York
$44.8M +$46.1M +35,257,476 +129,614%
JP Morgan Chase
3
JP Morgan Chase
New York
$2.46M +$2.53M +1,937,881 New
Geode Capital Management
4
Geode Capital Management
Massachusetts
$148K +$57K +43,614 +60%
Millennium Management
5
Millennium Management
New York
$145K -$39.5K -30,224 -21%
UBS Group
6
UBS Group
Switzerland
$115K +$63.7K +48,740 +117%
Vanguard Group
7
Vanguard Group
Pennsylvania
$106K +$45K +34,396 +70%
Citadel Advisors
8
Citadel Advisors
Florida
$41.1K +$42.3K +32,354 New
State Street
9
State Street
Massachusetts
$21.2K – – –
Northern Trust
10
Northern Trust
Illinois
$17.6K – – –
TRCT
11
Tower Research Capital (TRC)
New York
$5.49K +$2.67K +2,038 +89%
Bank of America
12
Bank of America
North Carolina
$164 +$73 +56 +77%
AF
13
Allworth Financial
California
$41 – – –
HI
14
Harbour Investments
Wisconsin
$24 – – –
Morgan Stanley
15
Morgan Stanley
New York
$4 – – –
Wells Fargo
16
Wells Fargo
California
$1 -$124 -95 Closed
Citigroup
17
Citigroup
New York
– -$566 -519 Closed
Raymond James Financial
18
Raymond James Financial
Florida
– -$14 -13 Closed

MDIA Hedge Fund Activity: Q3 2025 in Review

15 of the 7,629 institutional investors tracked by Wall St. Rank reported a position in Mediaco Holding (MDIA) for Q3 2025, worth a combined $92.9M — up 90% from $49M a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of MDIA and 2 opened new positions — a net loss of 1 holder — while 2 trimmed existing stakes and 6 added.

The largest buyer was BlackRock, adding an estimated $46.1M. The largest seller was Standard General, cutting an estimated $2.75M.

  • 15 institutional investors held Mediaco Holding (MDIA) as of Q3 2025, down from 17 in Q2 2025.
  • Funds reported $92.9M of Mediaco Holding stock for Q3 2025, up 90% quarter-over-quarter.
  • 2 funds opened new Mediaco Holding positions in Q3 2025 and 3 closed out, a net change of -1 holder.
  • The largest Mediaco Holding buyer in Q3 2025 was BlackRock, an estimated $46.1M added.
  • The largest Mediaco Holding seller in Q3 2025 was Standard General, an estimated $2.75M sold.

Based on aggregated 13F filings for Q3 2025.