Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SOGP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 168K | $2.8M | +37.4% | 3.561% | 0.00% |
| 2 | Ma Investment Partnership, LP | 100K | $1.7M | — | 2.126% | 0.52% |
| 3 | CITADEL ADVISORS LLC | 24K | $407K | -75.9% | 0.512% | 0.00% |
| 4 | GROUP ONE TRADING LLC | 10K | $168K | -48.2% | 0.211% | 0.00% |
| 5 | SIMPLEX TRADING, LLC | 2K | $33K | +138.7% | 0.041% | 0.00% |
| 6 | RHUMBLINE ADVISERS | 2K | $32K | -16.4% | 0.040% | 0.00% |
| 7 | JONES FINANCIAL COMPANIES LLLP | 850 | $14K | 0.0% | 0.018% | 0.00% |
| 8 | UBS Group AG | 595 | $10K | +2604.6% | 0.013% | 0.00% |
| 9 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 100 | $2K | -96.3% | 0.002% | 0.00% |
| 10 | MORGAN STANLEY | 70 | $1K | -99.8% | 0.002% | 0.00% |
| 11 | Physician Wealth Advisors, Inc. | 48 | $811 | 0.0% | 0.001% | 0.00% |
| 12 | BNP PARIBAS FINANCIAL MARKETS | 20 | $338 | -96.2% | 0.000% | 0.00% |
| 13 | SBI Securities Co., Ltd. | 10 | $169 | -9.1% | 0.000% | 0.00% |
| 14 | Federation des caisses Desjardins du Quebec | 3 | $51 | 0.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in SOGP — a direct measure of their conviction.
Filings activity in SOGP during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new SOGP position in Q1 2026
No new institutional buyers this quarter.
Institutions that fully closed their SOGP position in Q1 2026
No institutional exits this quarter.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 14 | +7.7% | 10.61% | +3.79 pp | $5M | +56% |
| Q4 2025 | 13 | 7.1% | 6.82% | 2.80 pp | $3M | 29% |
| Q3 2025 | 14 | +0.0% | 9.62% | +9.09 pp | $5M | +1458% |
| Q2 2025 | 14 | +17% | 0.53% | +0.23 pp | $0M | +75% |
| Q1 2025 | 12 | +20% | 0.30% | +0.21 pp | $0M | +230% |
| Q4 2024 | 10 | 9.1% | 0.09% | 0.02 pp | $0M | 14% |
| Q3 2024 | 11 | 15% | 0.11% | +0.00 pp | $0M | 3.2% |
| Q2 2024 | 13 | — | 0.11% | — | $0M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SOGP stock.
Based on Q1 2026 13F filings, institutional ownership of Sound Group Inc. stands at 10.6%, held across 14 reporting institutions.
SUSQUEHANNA INTERNATIONAL GROUP, LLP is the largest reported institutional holder of SOGP, with approximately 167,500 shares worth $0.00B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of SOGP, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for SOGP is 65 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
0 institutions opened new positions in SOGP during Q1 2026, while 0 fully exited. 8 added to existing positions and 5 trimmed.
SOGP institutional ownership rose by 3.79 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 100.0% of all reported 13F value in SOGP, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Sound Group Inc. (SOGP) Institutional Ownership