Sound Group
SOGP
12 hedge funds and large institutions have $1.84M invested in Sound Group in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 2 increasing their positions, 4 reducing their positions, and 5 closing their positions.
275% more capital invested
Capital invested by funds: $491K → $1.84M (+$1.35M)
0.17% more ownership
Funds ownership: 2.74% → 2.91% (+0.17%)
8% less funds holding
Funds holding: 13 → 12 (-1)
20% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 5
50% less repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 4
58% less call options, than puts
Call options by funds: $2.09M | Put options by funds: $4.94M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HF
HRT Financial
New York
|
+$598K |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$132K |
| 3 |
Group One Trading
Chicago,
Illinois
|
+$118K |
| 4 |
Simplex Trading
Chicago,
Illinois
|
+$68.4K |
| 5 |
Morgan Stanley
New York
|
+$44.1K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Acadian Asset Management
Boston,
Massachusetts
|
-$169K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$134K |
| 3 |
A
Argentarii
Cincinnati,
Ohio
|
-$119K |
| 4 |
Renaissance Technologies
New York
|
-$72K |
| 5 |
RhumbLine Advisers
Boston,
Massachusetts
|
-$46.3K |
SOGP Hedge Fund Activity: Q3 2025 in Review
12 of the 7,622 institutional investors tracked by Wall St. Rank reported a position in Sound Group (SOGP) for Q3 2025, worth a combined $1.84M — up 275% from $491K a quarter earlier.
Sellers outnumbered buyers: 5 funds closed out of SOGP and 4 opened new positions — a net loss of 1 holder — while 4 trimmed existing stakes and 2 added.
The largest buyer was HRT Financial, opening a new position worth an estimated $598K. The largest seller was Acadian Asset Management, exiting entirely with an estimated $169K sold.
- 12 institutional investors held Sound Group (SOGP) as of Q3 2025, down from 13 in Q2 2025.
- Funds reported $1.84M of Sound Group stock for Q3 2025, up 275% quarter-over-quarter.
- 4 funds opened new Sound Group positions in Q3 2025 and 5 closed out, a net change of -1 holder.
- The largest Sound Group buyer in Q3 2025 was HRT Financial, an estimated $598K added.
- The largest Sound Group seller in Q3 2025 was Acadian Asset Management, an estimated $169K sold.
Based on aggregated 13F filings for Q3 2025.