Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
261 institutional managers reported holding SILA for the quarter ended Mar 31, 2026. Together they hold about 65% of shares outstanding; the top 10 hold 43%. 33 opened new positions; 44 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 5.96M | 10.75% | $141.3M | added +4.3% | 2024 Q3 |
| Vanguard Group | 5.66M | 10.21% | $134.1M | added +0.8% | 2024 Q3 |
| Frontier Capital Management CO LLC | 2.70M | 4.87% | $63.9M | added +18% | 2024 Q3 |
| State Street | 2.26M | 4.08% | $53.6M | trimmed -1.5% | 2024 Q3 |
| Geode Capital | 1.61M | 2.90% | $38.1M | added +5.2% | 2024 Q3 |
| William Blair Investment Management, LLC | 1.39M | 2.50% | $32.9M | added +41.5% | 2024 Q4 |
| Punch & Associates Investment Management, INC. | 1.35M | 2.43% | $31.9M | added +7.3% | 2024 Q3 |
| Diameter Capital Partners LP (focused) | 1.05M | 1.90% | $24.9M | trimmed -40% | 2024 Q3 |
| Charles Schwab Investment Management | 1.03M | 1.85% | $24.4M | added +2.4% | 2024 Q3 |
| Victory Capital Management INC | 868.3k | 1.57% | $20.6M | added +4.3% | 2024 Q4 |
| Adage Capital Partners GP, L.l.c. | 690.9k | 1.25% | $16.4M | trimmed -10.5% | 2024 Q3 |
| Dimensional Fund Advisors | 621.4k | 1.12% | $14.7M | added +13.1% | 2024 Q3 |
| Northern Trust | 587.7k | 1.06% | $13.9M | added +3.9% | 2024 Q3 |
| UBS | 459.1k | 0.83% | $10.9M | trimmed -5.1% | 2024 Q2 |
| Ameriprise Financial INC | 430.5k | 0.78% | $10.2M | added +14.1% | 2024 Q2 |
| Invesco | 406.9k | 0.73% | $9.6M | trimmed -2.6% | 2024 Q3 |
| Thrivent Financial for Lutherans | 384.0k | 0.69% | $9.1M | added +13.4% | 2024 Q4 |
| Man Group | 363.5k | 0.66% | $8.6M | added +130.5% | 2024 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 342.1k | 0.62% | $8.1M | added +1147.5% | 2025 Q1 |
| LPL Financial LLC | 311.4k | 0.56% | $7.4M | added +14.9% | 2024 Q2 |
| BNY Mellon | 292.2k | 0.53% | $6.9M | unchanged | 2024 Q4 |
| Osaic Holdings, INC. | 267.3k | 0.48% | $6.3M | trimmed -0.9% | 2024 Q2 |
| Cambridge Investment Research Advisors, INC. | 266.4k | 0.48% | $6.3M | added +2.4% | 2024 Q2 |
| Legal & General Group PLC | 232.9k | 0.42% | $5.5M | trimmed -11.1% | 2024 Q3 |
| Goldman Sachs | 223.0k | 0.40% | $5.3M | trimmed -21.2% | 2024 Q3 |
| Cetera Investment Advisers | 204.7k | 0.37% | $4.9M | trimmed -1.3% | 2024 Q2 |
| Morgan Stanley | 184.1k | 0.33% | $4.4M | added +17.7% | 2024 Q2 |
| Millennium Management | 171.6k | 0.31% | $4.1M | trimmed -77.1% | 2024 Q2 |
| Madrona Financial Services, LLC | 170.8k | 0.31% | $4.0M | trimmed -1.9% | 2024 Q2 |
| Manufacturers Life Insurance Company, THE | 157.5k | 0.28% | $3.7M | unchanged | 2024 Q3 |
| SummitTX Capital, L.p. | 140.5k | 0.25% | $3.3M | added +36.9% | 2025 Q1 |
| Harbor Capital Advisors, INC. | 135.0k | 0.24% | $3.2M | added +5.2% | 2024 Q3 |
| GAMCO (Gabelli) | 131.4k | 0.24% | $3.1M | added +1.9% | 2025 Q2 |
| Citadel Advisors | 121.3k | 0.22% | $2.9M | trimmed -76.3% | 2024 Q2 |
| Diversify Wealth Management, LLC | 120.3k | 0.22% | $2.9M | added +40.9% | 2024 Q2 |
| Mariner, LLC | 119.4k | 0.21% | $2.8M | trimmed -14.5% | 2024 Q2 |
| Swiss National Bank | 108.8k | 0.20% | $2.6M | unchanged | 2025 Q1 |
| Nuveen | 108.7k | 0.20% | $2.6M | unchanged | 2024 Q3 |
| Susquehanna International Group | 104.3k | 0.19% | $2.5M | added +103% | 2024 Q2 |
| Asset Management One CO., LTD. | 103.5k | 0.19% | $2.5M | trimmed -15.2% | 2024 Q3 |
| Hsbc Holdings PLC | 100.8k | 0.18% | $2.4M | added +9.1% | 2024 Q3 |
| Bank OF America CORP /DE/ | 99.5k | 0.18% | $2.4M | added +20.5% | 2024 Q3 |
| Envestnet Asset Management INC | 97.5k | 0.18% | $2.3M | trimmed -40.1% | 2024 Q2 |
| Two Sigma | 93.2k | 0.17% | $2.2M | added +345.9% | 2024 Q3 |
| Nomura Asset Management CO LTD | 83.8k | 0.15% | $2.0M | unchanged | 2024 Q4 |
| Y-Intercept (Hong Kong) LTD | 79.0k | 0.14% | $1.9M | opened | 2026 Q1 |
| Rhumbline Advisers | 76.2k | 0.14% | $1.8M | added +1.1% | 2024 Q3 |
| Qube Research & Technologies LTD | 68.5k | 0.12% | $1.6M | added +53.9% | 2025 Q4 |
| Deutsche Bank AG\ | 68.0k | 0.12% | $1.6M | trimmed -6.1% | 2024 Q3 |
| Citigroup INC | 67.2k | 0.12% | $1.6M | added +4.8% | 2024 Q3 |
Largest 50 of 261 shown; the full ranked, searchable register is at boothcheck.com/holders/SILA. 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.