Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
126 institutional managers reported holding INTR for the quarter ended Mar 31, 2026. Together they hold about 4% of shares outstanding; the top 10 hold 3%. 34 opened new positions; 23 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Softbank Group CORP. (focused) | 60.51M | 1.26% | $481.0M | unchanged | 2022 Q2 |
| Wasatch Advisors LP | 15.17M | 0.32% | $120.6M | trimmed -1.4% | 2025 Q3 |
| WCM Investment Management | 10.44M | 0.22% | $83.0M | trimmed -5.5% | 2024 Q1 |
| Samlyn Capital, LLC | 8.44M | 0.18% | $67.1M | trimmed -2.4% | 2023 Q4 |
| BlackRock | 8.28M | 0.17% | $65.8M | added +21.4% | 2024 Q3 |
| FIL LTD | 6.99M | 0.15% | $55.6M | added +47.1% | 2024 Q3 |
| Marshall Wace | 6.97M | 0.14% | $55.4M | trimmed -9.9% | 2023 Q1 |
| Squadra Investments - Gestao DE Recursos Ltda. (focused) | 6.32M | 0.13% | $50.3M | added +1.1% | 2025 Q2 |
| Wellington Management | 5.57M | 0.12% | $44.3M | opened | 2026 Q1 |
| SEI Investments CO | 4.56M | 0.10% | $36.3M | unchanged | 2024 Q3 |
| SPX Gestao de Recursos Ltda | 4.02M | 0.08% | $32.0M | added +1059.2% | 2022 Q3 |
| Sharp Capital Gestora de Recursos Ltda. (focused) | 3.75M | 0.08% | $29.8M | added +7.8% | 2025 Q2 |
| Clearbridge Investments, LLC | 2.86M | 0.06% | $22.8M | trimmed -4.5% | 2025 Q3 |
| Swedbank Robur | 2.76M | 0.06% | $22.0M | unchanged | 2024 Q4 |
| Millennium Management | 2.58M | 0.05% | $20.5M | added +48.3% | 2022 Q3 |
| William Blair Investment Management, LLC | 2.52M | 0.05% | $20.0M | trimmed -55% | 2025 Q2 |
| Commonwealth OF Pennsylvania Public School Empls Retrmt SYS | 2.43M | 0.05% | $19.3M | added +7.5% | 2025 Q3 |
| D. E. Shaw | 2.34M | 0.05% | $18.6M | added +309.8% | 2025 Q3 |
| State Street | 1.64M | 0.03% | $13.0M | trimmed -3.5% | 2024 Q2 |
| WIM Investment Management LTD (focused) | 1.60M | 0.03% | $12.7M | added +15.1% | 2025 Q3 |
| Goldman Sachs | 1.51M | 0.03% | $12.0M | added +544.9% | 2024 Q1 |
| Bank OF America CORP /DE/ | 1.49M | 0.03% | $11.8M | added +84.3% | 2024 Q1 |
| Trexquant Investment LP | 1.32M | 0.03% | $10.5M | added +370.9% | 2025 Q1 |
| Two Sigma | 1.29M | 0.03% | $10.2M | trimmed -24% | 2023 Q4 |
| HRT Financial LP | 1.23M | 0.03% | $9.8M | added +315% | 2025 Q1 |
| UBS | 1.16M | 0.02% | $9.2M | added +31.3% | 2023 Q2 |
| Qube Research & Technologies LTD | 1.01M | 0.02% | $8.0M | added +2693.8% | 2025 Q4 |
| American Century Companies INC | 823.8k | 0.02% | $6.5M | trimmed -39.4% | 2024 Q3 |
| Tredje AP-fonden | 821.5k | 0.02% | $6.5M | trimmed -38.7% | 2025 Q3 |
| Voloridge Investment Management | 745.2k | 0.02% | $5.9M | trimmed -17% | 2024 Q4 |
| Brevan Howard Capital Management LP | 630.3k | 0.01% | $5.0M | opened | 2026 Q1 |
| Farallon Capital | 614.5k | 0.01% | $4.9M | opened | 2026 Q1 |
| ABS Direct Equity Fund LLC | 581.7k | 0.01% | $4.6M | opened | 2026 Q1 |
| Engineers Gate Manager LP | 560.6k | 0.01% | $4.5M | added +35.5% | 2025 Q3 |
| Morgan Stanley | 502.8k | 0.01% | $4.0M | trimmed -73.5% | 2022 Q2 |
| CenterBook Partners LP | 490.0k | 0.01% | $3.9M | opened | 2026 Q1 |
| Geode Capital | 472.8k | 0.01% | $3.8M | added +2.7% | 2022 Q3 |
| Point72 | 439.8k | <0.01% | $3.5M | trimmed -42.8% | 2025 Q1 |
| Mirabella Financial Services LLP | 436.2k | <0.01% | $3.5M | opened | 2026 Q1 |
| Northern Trust | 434.3k | <0.01% | $3.5M | added +1.4% | 2024 Q2 |
| Jane Street | 423.9k | <0.01% | $3.4M | trimmed -1.3% | 2022 Q2 |
| Squarepoint Ops LLC | 410.4k | <0.01% | $3.3M | opened | 2026 Q1 |
| ExodusPoint | 340.9k | <0.01% | $2.7M | opened | 2025 Q2 |
| Balyasny Asset Management | 306.2k | <0.01% | $2.4M | opened | 2026 Q1 |
| Arrowstreet Capital | 234.2k | <0.01% | $1.9M | trimmed -78.4% | 2025 Q1 |
| Hsbc Holdings PLC | 232.4k | <0.01% | $1.8M | opened | 2026 Q1 |
| Handelsbanken Fonder AB | 210.0k | <0.01% | $1.7M | trimmed -14.6% | 2024 Q3 |
| Nuveen | 190.2k | <0.01% | $1.5M | unchanged | 2024 Q3 |
| Mariner, LLC | 189.6k | <0.01% | $1.5M | added +1.9% | 2024 Q4 |
| Susquehanna International Group | 185.4k | <0.01% | $1.5M | trimmed -33.5% | 2023 Q4 |
Largest 50 of 126 shown; the full ranked, searchable register is at boothcheck.com/holders/INTR. 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.