Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
271 institutional managers reported holding BKD for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 51%. 68 opened new positions; 32 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 22.72M | 9.54% | $311.0M | trimmed -27% | ≤2013 |
| Vanguard Group | 22.45M | 9.43% | $307.4M | added +2.3% | ≤2013 |
| WCM Investment Management | 12.81M | 5.38% | $175.4M | opened | 2026 Q1 |
| Deerfield Management Company, L.p. | 11.64M | 4.89% | $159.3M | unchanged | 2018 Q2 |
| Antipodes Partners LTD | 11.41M | 4.79% | $156.2M | unchanged | 2024 Q2 |
| Wellington Management | 8.83M | 3.71% | $120.9M | trimmed -13.1% | 2023 Q4 |
| Carronade Capital Management, LP (focused) | 8.59M | 3.61% | $117.6M | added +16.8% | 2024 Q3 |
| Maple Rock Capital Partners INC. (focused) | 8.16M | 3.43% | $111.7M | trimmed -4% | 2025 Q2 |
| Renaissance Technologies | 7.66M | 3.22% | $104.9M | added +20.4% | 2017 Q2 |
| Geode Capital | 6.45M | 2.71% | $88.2M | added +17.8% | ≤2013 |
| Two Sigma | 6.16M | 2.59% | $84.3M | added +791.7% | 2025 Q4 |
| State Street | 5.39M | 2.26% | $73.8M | unchanged | ≤2013 |
| Dimensional Fund Advisors | 5.19M | 2.18% | $71.1M | added +3.5% | ≤2013 |
| FMR (Fidelity) | 4.60M | 1.93% | $63.0M | added +6.2% | ≤2013 |
| Goldman Sachs | 4.17M | 1.75% | $57.1M | added +92.8% | ≤2013 |
| Park West Asset Management LLC (focused) | 3.58M | 1.50% | $49.0M | added +398.8% | 2025 Q4 |
| Eversept Partners, LP | 3.57M | 1.50% | $48.9M | added +851.8% | 2025 Q4 |
| D. E. Shaw | 3.45M | 1.45% | $47.3M | added +101.7% | ≤2013 |
| Millennium Management | 3.16M | 1.33% | $43.2M | added +126.7% | 2013 Q4 |
| Citadel Advisors | 3.02M | 1.27% | $41.4M | added +27.1% | ≤2013 |
| Deutsche Bank AG\ | 2.99M | 1.25% | $40.9M | trimmed -20.2% | 2013 Q3 |
| Luxor Capital Group, LP (focused) | 2.93M | 1.23% | $40.1M | added +154.7% | 2025 Q4 |
| Charles Schwab Investment Management | 2.90M | 1.22% | $39.7M | trimmed -10.4% | ≤2013 |
| 140 Summer Partners LP (focused) | 2.87M | 1.21% | $39.3M | opened | 2026 Q1 |
| Assenagon Asset Management S.a. | 2.51M | 1.05% | $34.4M | trimmed -6.3% | 2024 Q2 |
| Morgan Stanley | 2.49M | 1.05% | $34.2M | trimmed -55.6% | ≤2013 |
| Nuveen | 2.48M | 1.04% | $33.9M | added +32.6% | 2019 Q2 |
| Senator Investment Group LP | 2.46M | 1.03% | $33.7M | trimmed -27.9% | 2025 Q4 |
| Flat Footed LLC (focused) | 2.39M | 1.00% | $32.7M | trimmed -71.9% | 2022 Q4 |
| Mason Capital Management LLC (focused) | 2.23M | 0.94% | $30.6M | trimmed -37.7% | 2025 Q3 |
| Northern Trust | 2.15M | 0.90% | $29.4M | added +3% | ≤2013 |
| Victory Capital Management INC | 1.99M | 0.83% | $27.2M | trimmed -9.1% | 2018 Q3 |
| Qube Research & Technologies LTD | 1.94M | 0.81% | $26.5M | added +12169.5% | 2025 Q4 |
| First Eagle Investment Management | 1.87M | 0.78% | $25.5M | trimmed -4.6% | 2021 Q4 |
| Bank OF America CORP /DE/ | 1.85M | 0.78% | $25.4M | trimmed -27.1% | ≤2013 |
| BNP Paribas Financial Markets | 1.82M | 0.76% | $24.9M | trimmed -0.8% | ≤2013 |
| Sculptor Capital | 1.78M | 0.75% | $24.4M | added +48.3% | 2025 Q4 |
| Arrowstreet Capital | 1.77M | 0.74% | $24.2M | added +608% | 2024 Q1 |
| Tudor Investment | 1.63M | 0.69% | $22.4M | added +118.7% | 2025 Q4 |
| Voleon Capital Management LP | 1.47M | 0.62% | $20.1M | trimmed -14% | 2025 Q2 |
| UBS | 1.46M | 0.61% | $20.0M | added +64.3% | ≤2013 |
| Jane Street | 1.45M | 0.61% | $19.9M | trimmed -8.7% | 2018 Q3 |
| LEE Danner & Bass INC | 1.30M | 0.55% | $17.9M | added +246.4% | ≤2013 |
| Voloridge Investment Management | 1.27M | 0.53% | $17.3M | trimmed -19% | 2025 Q3 |
| Squarepoint Ops LLC | 1.19M | 0.50% | $16.2M | added +42.9% | 2021 Q2 |
| RBF Capital, LLC | 1.16M | 0.49% | $15.9M | trimmed -0.9% | 2021 Q3 |
| Hiddenite Capital Partners LP (focused) | 1.12M | 0.47% | $15.3M | opened | 2026 Q1 |
| Edmond DE Rothschild Holding S.a. | 1.11M | 0.47% | $15.2M | trimmed -32.7% | 2016 Q3 |
| Healthcare OF Ontario Pension Plan Trust Fund | 1.10M | 0.46% | $15.1M | added +183.4% | 2024 Q2 |
| CPP Investment Board | 1.08M | 0.45% | $14.7M | trimmed -25.9% | 2024 Q3 |
Largest 50 of 271 shown; the full ranked, searchable register is at boothcheck.com/holders/BKD. 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.