Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
463 institutional managers reported holding SPXC for the quarter ended Mar 31, 2026. Together they hold about 84% of shares outstanding; the top 10 hold 39%. 60 opened new positions; 63 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 6.23M | 12.33% | $1.25B | added +1.4% | ≤2013 |
| Capital International Investors | 2.89M | 5.73% | $578.7M | added +88.2% | 2025 Q4 |
| Invesco | 1.91M | 3.78% | $381.9M | added +10.2% | ≤2013 |
| State Street | 1.78M | 3.53% | $356.6M | added +1.9% | ≤2013 |
| Capital Group (American Funds) | 1.75M | 3.46% | $349.1M | added +28.6% | 2023 Q4 |
| First Trust Advisors LP | 1.36M | 2.70% | $272.6M | added +181.4% | 2017 Q2 |
| Geode Capital | 1.26M | 2.48% | $251.2M | added +3.5% | ≤2013 |
| FMR (Fidelity) | 982.8k | 1.95% | $196.6M | added +7.5% | 2018 Q1 |
| T. Rowe Price | 894.4k | 1.77% | $178.9M | trimmed -24% | ≤2013 |
| Dimensional Fund Advisors | 849.2k | 1.68% | $169.8M | unchanged | ≤2013 |
| Nomura Asset Management International INC. | 831.2k | 1.65% | $166.2M | trimmed -10.7% | 2025 Q4 |
| Neuberger Berman Group LLC | 797.7k | 1.58% | $159.6M | trimmed -6% | 2021 Q4 |
| Janus Henderson | 765.2k | 1.51% | $153.1M | added +5.9% | 2020 Q3 |
| Gw&k Investment Management, LLC | 675.1k | 1.34% | $135.0M | added +28.8% | 2021 Q2 |
| Conestoga Capital Advisors, LLC | 657.6k | 1.30% | $131.5M | trimmed -13.3% | 2024 Q2 |
| Charles Schwab Investment Management | 634.2k | 1.25% | $126.8M | trimmed -0.7% | ≤2013 |
| Earnest Partners LLC | 632.4k | 1.25% | $126.5M | trimmed -2.8% | 2022 Q2 |
| Northern Trust | 614.8k | 1.22% | $123.0M | added +1.9% | ≤2013 |
| AllianceBernstein | 565.1k | 1.12% | $113.0M | trimmed -13.4% | ≤2013 |
| Nuveen | 559.1k | 1.11% | $111.8M | trimmed -2% | 2019 Q2 |
| Goldman Sachs | 505.7k | 1.00% | $101.2M | trimmed -26.9% | ≤2013 |
| Morgan Stanley | 460.8k | 0.91% | $92.2M | unchanged | ≤2013 |
| Port Capital LLC | 460.3k | 0.91% | $92.1M | unchanged | 2023 Q4 |
| Ameriprise Financial INC | 449.5k | 0.89% | $89.9M | trimmed -19.7% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 445.9k | 0.88% | $89.2M | added +3816.4% | 2022 Q3 |
| Principal Financial Group INC | 445.4k | 0.88% | $89.1M | added +4.1% | ≤2013 |
| Mirae Asset Global Etfs Holdings LTD. | 388.7k | 0.77% | $77.8M | added +15.1% | 2018 Q3 |
| Geneva Capital Management LLC | 388.4k | 0.77% | $77.7M | trimmed -7.8% | 2023 Q3 |
| Franklin Resources | 374.2k | 0.74% | $74.8M | trimmed -3.6% | 2024 Q1 |
| Wellington Management | 366.3k | 0.72% | $73.3M | added +115.8% | 2019 Q3 |
| BNY Mellon | 322.0k | 0.64% | $64.4M | trimmed -1.5% | ≤2013 |
| Bank OF America CORP /DE/ | 316.9k | 0.63% | $63.4M | added +13% | ≤2013 |
| Van Berkom & Associates INC. | 306.5k | 0.61% | $61.3M | trimmed -6.2% | 2024 Q4 |
| Nordea Investment Management AB | 293.1k | 0.58% | $58.6M | trimmed -8.4% | 2022 Q1 |
| Raymond James Financial INC | 281.4k | 0.56% | $56.3M | added +10.6% | 2017 Q3 |
| Artisan Partners | 280.3k | 0.56% | $56.1M | trimmed -25.7% | 2023 Q2 |
| Driehaus Capital Management LLC | 279.7k | 0.55% | $55.9M | trimmed -34.9% | 2022 Q4 |
| Amundi | 247.6k | 0.49% | $49.5M | added +72.4% | 2017 Q4 |
| UBS | 239.8k | 0.47% | $48.0M | added +8.8% | ≤2013 |
| Samlyn Capital, LLC | 233.2k | 0.46% | $46.6M | added +10.6% | 2025 Q4 |
| Champlain Investment Partners, LLC | 229.6k | 0.46% | $45.9M | trimmed -8.5% | 2025 Q1 |
| ArrowMark Colorado Holdings LLC | 217.4k | 0.43% | $43.5M | added +24.6% | 2025 Q4 |
| Brown Advisory INC | 206.4k | 0.41% | $41.3M | trimmed -17.3% | 2020 Q2 |
| Voya Investment Management LLC | 203.8k | 0.40% | $40.8M | trimmed -11.2% | ≤2013 |
| Panagora Asset Management INC | 202.8k | 0.40% | $40.6M | unchanged | 2024 Q2 |
| Sandhill Capital Partners LLC | 177.2k | 0.35% | $35.4M | trimmed -35.4% | 2024 Q2 |
| D. E. Shaw | 170.7k | 0.34% | $34.2M | unchanged | 2015 Q3 |
| Storebrand Asset Management AS | 169.8k | 0.34% | $34.0M | unchanged | 2025 Q4 |
| Fisher Investments | 164.2k | 0.33% | $32.8M | trimmed -0.9% | 2025 Q2 |
| Waratah Capital Advisors LTD. | 155.6k | 0.31% | $31.1M | added +336.6% | 2025 Q3 |
Largest 50 of 463 shown; the full ranked, searchable register is at boothcheck.com/holders/SPXC. 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.