SOUND GROUP INC (SOGP) Institutional Ownership Changes & 13F Activity
SOUND GROUP INC (SOGP). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ma Investment Partnership, Lp, Morgan Stanley, Group One Trading Llc, Renaissance Technologies LLC, and Citadel Advisors Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Ma Investment Partnership, Lp | Buy | +100,000 | — | 100,000 | $1.16M | Q4 2025 | May 18, 2026 |
| Citadel Advisors Llc | Buy | +12,517 | — | 12,517 | $145.45K | Q4 2025 | Feb 17, 2026 |
| Jones Financial Companies Lllp | Buy | +850 | — | 850 | $9.88K | Q4 2025 | Feb 17, 2026 |
| Morgan Stanley | Buy | +27,562 | — | 27,562 | $320.27K | Q4 2025 | Feb 13, 2026 |
| Rhumbline Advisers | Buy | +2,257 | — | 2,257 | $26.22K | Q4 2025 | Feb 13, 2026 |
| Group One Trading Llc | Buy | +19,212 | — | 19,212 | $223.24K | Q4 2025 | Feb 12, 2026 |
| Federation Des Caisses Desjardins Du Quebec | Buy | +3 | — | 3 | $35.00 | Q4 2025 | Feb 12, 2026 |
| Simplex Trading, Llc | Buy | +814 | — | 814 | $9.46K | Q4 2025 | Feb 11, 2026 |
| Bnp Paribas Financial Markets | Buy | +520 | — | 520 | $6.04K | Q4 2025 | Feb 10, 2026 |
| Northwestern Mutual Wealth Management Co | Buy | +2,705 | — | 2,705 | $158.76K | Q4 2025 | Feb 05, 2026 |
| Sbi Securities Co., Ltd. | Buy | +11 | — | 11 | $128.00 | Q4 2025 | Feb 03, 2026 |
| Physician Wealth Advisors, Inc. | Buy | +48 | — | 48 | $558.00 | Q4 2025 | Jan 29, 2026 |
| Ubs Group Ag | Buy | +22 | — | 22 | $256.00 | Q4 2025 | Jan 29, 2026 |
| Renaissance Technologies LLC | Sell | -15,158 | -100.0% | 0 | $0.00 | Q4 2025 | Aug 13, 2025 |
Frequently asked questions about SOGP activity
Which institutional owners are buying SOGP?
Institutional owners buying SOGP include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in SOGP activity?
"Buy" means an investor increased their reported position in SOGP compared to the prior reporting period. This reflects growing exposure to SOUND GROUP INC (SOGP) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SOGP increasing?
Institutional interest in SOGP can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related SOGP Institutional Insights
- SOGP Overview
- SOGP 13F Institutional Holders
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- Communication Services Sector Institutional Ownership
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- Institutional Portfolio Overlap & Shared Holdings
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- SOGP Insider Trading & SEC Form 4 Activity
- SOGP Articles
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