Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
124 institutional managers reported holding FSUN for the quarter ended Mar 31, 2026. Together they hold about 40% of shares outstanding; the top 10 hold 26%. 34 opened new positions; 6 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Wellington Management | 2.88M | 10.17% | $105.1M | unchanged | 2024 Q3 |
| BlackRock | 887.2k | 3.13% | $32.4M | added +2.5% | 2024 Q3 |
| Vanguard Group | 811.7k | 2.87% | $29.6M | added +3.5% | 2024 Q3 |
| Stelac Advisory Services LLC | 623.7k | 2.20% | $22.8M | opened | 2026 Q1 |
| State Street | 530.0k | 1.87% | $19.3M | added +15.5% | 2024 Q3 |
| Mirabella Financial Services LLP | 459.4k | 1.62% | $16.8M | added +176.6% | 2025 Q4 |
| Dimensional Fund Advisors | 398.4k | 1.41% | $14.5M | added +40.3% | 2024 Q4 |
| Two Sigma | 313.8k | 1.11% | $11.5M | added +56.4% | 2024 Q4 |
| Geode Capital | 310.0k | 1.09% | $11.3M | added +3.7% | 2024 Q3 |
| AllianceBernstein | 256.0k | 0.90% | $9.3M | trimmed -37.3% | 2024 Q3 |
| Goldman Sachs | 215.1k | 0.76% | $7.8M | added +29.3% | 2024 Q3 |
| Bridgeway Capital Management, LLC | 183.8k | 0.65% | $6.7M | added +18.8% | 2024 Q4 |
| American Century Companies INC | 169.3k | 0.60% | $6.2M | added +44.2% | 2025 Q1 |
| Banc Funds CO LLC | 168.5k | 0.59% | $6.1M | unchanged | 2022 Q3 |
| Hotchkis & Wiley Capital Management LLC | 167.5k | 0.59% | $6.1M | trimmed -3% | 2025 Q3 |
| Citadel Advisors | 160.7k | 0.57% | $5.9M | added +12.4% | 2024 Q3 |
| Ameriprise Financial INC | 153.7k | 0.54% | $5.6M | trimmed -2.5% | 2025 Q3 |
| T. Rowe Price | 151.0k | 0.53% | $5.5M | added +1983.2% | 2025 Q2 |
| Salzhauer Michael | 141.0k | 0.50% | $5.1M | unchanged | 2024 Q4 |
| Mendon Capital Advisors CORP | 136.3k | 0.48% | $5.0M | trimmed -3% | 2024 Q3 |
| Curi Capital, LLC | 121.3k | 0.43% | $4.4M | trimmed -9.3% | 2025 Q1 |
| Empowered Funds, LLC | 120.4k | 0.42% | $4.4M | added +23% | 2024 Q4 |
| Northern Trust | 109.9k | 0.39% | $4.0M | added +15.3% | 2024 Q3 |
| Morgan Stanley | 106.9k | 0.38% | $3.9M | added +12.2% | 2024 Q3 |
| Bank OF America CORP /DE/ | 99.6k | 0.35% | $3.6M | added +59% | 2024 Q3 |
| Charles Schwab Investment Management | 92.8k | 0.33% | $3.4M | trimmed -4.4% | 2024 Q3 |
| Barclays PLC | 91.3k | 0.32% | $3.3M | added +221.5% | 2024 Q4 |
| Assenagon Asset Management S.a. | 88.5k | 0.31% | $3.2M | added +169% | 2025 Q2 |
| First Trust Advisors LP | 76.7k | 0.27% | $2.8M | added +7.4% | 2025 Q2 |
| Millennium Management | 72.0k | 0.25% | $2.6M | trimmed -9.4% | 2025 Q4 |
| Maltese Capital Management LLC | 61.9k | 0.22% | $2.3M | trimmed -17.4% | 2024 Q4 |
| Caldwell Sutter Capital, INC. | 58.3k | 0.21% | $2.1M | trimmed -0.6% | 2024 Q3 |
| Access Investment Management LLC | 53.7k | 0.19% | $2.0M | opened | 2026 Q1 |
| Swiss National Bank | 51.1k | 0.18% | $1.9M | added +110.3% | 2025 Q1 |
| Invesco | 49.0k | 0.17% | $1.8M | added +108.4% | 2025 Q2 |
| UBS | 44.9k | 0.16% | $1.6M | added +16.4% | 2024 Q3 |
| BNY Mellon | 44.6k | 0.16% | $1.6M | trimmed -2.5% | 2025 Q2 |
| Man Group | 44.1k | 0.16% | $1.6M | opened | 2026 Q1 |
| AQR Capital | 43.8k | 0.15% | $1.6M | trimmed -23.9% | 2025 Q3 |
| Wells Fargo & COMPANY/MN | 36.9k | 0.13% | $1.3M | added +160.9% | 2025 Q2 |
| Prudential Financial INC | 36.6k | 0.13% | $1.3M | opened | 2026 Q1 |
| Marshall Wace | 35.3k | 0.13% | $1.3M | added +166.4% | 2024 Q3 |
| Balyasny Asset Management | 34.7k | 0.12% | $1.3M | trimmed -68.5% | 2025 Q4 |
| ExodusPoint | 29.4k | 0.10% | $1.1M | added +64.8% | 2025 Q4 |
| BNP Paribas Financial Markets | 28.7k | 0.10% | $1.0M | added +24.8% | 2024 Q4 |
| Quantinno Capital Management LP | 27.9k | 0.10% | $1.0M | opened | 2026 Q1 |
| Magnetar Financial LLC | 25.6k | 0.09% | $934k | opened | 2026 Q1 |
| Citigroup INC | 24.9k | 0.09% | $910k | added +67.8% | 2024 Q3 |
| Virtu Financial LLC | 24.3k | 0.09% | $886k | opened | 2026 Q1 |
| Verition Fund Management | 24.1k | 0.09% | $880k | opened | 2026 Q1 |
Largest 50 of 124 shown; the full ranked, searchable register is at boothcheck.com/holders/FSUN. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.