GBDC
Golub Capital BDC, Inc. · Financial Services · Asset Management
Momentum inputs (comparable managers):
holder breadth +22.2% ·
share flow +0.2% ·
net new positions +18.2%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 27.13K | $331,270 | n/a | n/a |
| Q2 2026 | 70 | +1 | 49.05M | $631.53M | +7 | −6 |
| Q1 2026 | 70 | -5 | 46.15M | $583.49M | +5 | −10 |
| Q4 2025 | 74 | +3 | 47.35M | $642.53M | +3 | n/a |
| Q3 2025 | 11 | +2 | 10.82M | $148.07M | +3 | −1 |
| Q2 2025 | 6 | -1 | 3.31M | $48.46M | n/a | −1 |
| Q1 2025 | 5 | 0 | 2.63M | $39.80M | +1 | −1 |
| Q4 2024 | 5 | 0 | 3.66M | $55.51M | n/a | n/a |
| Q3 2024 | 5 | 0 | 2.53M | $38.21M | n/a | n/a |
| Q2 2024 | 5 | n/a | 3.97M | $62.40M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | JPMorgan Chase ✦ | 5.10M | n/a | $69.78M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 2 | Morgan Stanley ✦ | 2.33M | n/a | $31.91M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 3 | BlackRock ✦ (passive) | 1.98M | +21.0% | $27.14M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 4 | Millennium Management ✦ | 708.43K | -46.2% | $9.70M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 5 | Marshall Wace ✦ | 261.42K | New | $3.58M | 0.0% | New | 1 | SEC ↗ ×2 |
| 6 | State Street Global Advisors ✦ (passive) | 261.34K | +2.8% | $3.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Goldman Sachs Group ✦ | 60.24K | n/a | $824,713 | 0.0% | n/c | 1 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 47.36K | New | $649,000 | 0.0% | New | 1 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 38.85K | -53.0% | $531,829 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 27.57K | New | $377,453 | 0.0% | New | 1 | SEC ↗ ×2 |
| 11 | Fidelity (FMR) ✦ | 369 | -17.1% | $5,052 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $3.58M | 0.0% |
| T. Rowe Price | $649,000 | 0.0% |
| AQR Capital Management | $377,453 | 0.0% |
Exited
| D. E. Shaw & Co. | $223,618 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 344 holders, 114.73M shares, $1.37B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 1.68M sh · $21.89M
Director · 1.68M sh · $21.89M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology