Who owns Golub Capital BDC, Inc.?
Institutional ownership of GBDC from SEC Form 13F filings across 187 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
187
13F holders
$1.12B
value, 2026 filers
33.5%
of shares outstanding (87.4M sh)
22
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of GBDC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | STRS OHIO | 17.6M | $226.4M | 0.8% | 6.7% | +2.5% |
| 2 | HighTower Advisors, LLC | 7.3M | $94.6M | 0.1% | 2.8% | +4.2% |
| 3 | VAN ECK ASSOCIATES CORP | 4.7M | $60.7M | 0.0% | 1.8% | +11.0% |
| 4 | Corient Private Wealth LP | 3.9M | $50.8M | 0.1% | 1.5% | -12.8% |
| 5 | Sound Income Strategies, LLC | 3.9M | $49.9M | 2.2% | 1.5% | +3.3% |
| 6 | UBS Group AG | 3.8M | $49.6M | 0.0% | 1.5% | -5.1% |
| 7 | OMERS ADMINISTRATION Corp | 3.7M | $47.0M | 0.3% | 1.4% | +2.5% |
| 8 | BANK OF AMERICA CORP /DE/ | 3.4M | $43.7M | 0.0% | 1.3% | +3.8% |
| 9 | JPMORGAN CHASE & CO | 3.4M | $43.2M | 0.0% | 1.3% | -3.8% |
| 10 | Rockefeller Capital Management L.P. | 2.8M | $36.1M | 0.1% | 1.1% | -0.1% |
| 11 | Legal & General Group Plc | 2.4M | $31.5M | 0.0% | 0.9% | +9.1% |
| 12 | MORGAN STANLEY | 2.4M | $30.3M | 0.0% | 0.9% | +19.1% |
| 13 | Russell Investments Group, Ltd. | 1.8M | $22.7M | 0.0% | 0.7% | +37.6% |
| 14 | FRANKLIN RESOURCES INC | 1.7M | $21.3M | 0.0% | 0.6% | +44.0% |
| 15 | Sumitomo Mitsui Trust Group, Inc. | 1.6M | $20.0M | 0.0% | 0.6% | +2.5% |
| 16 | BlackRock, Inc. | 1.3M | $16.2M | 0.0% | 0.5% | +5.4% |
| 17 | MAI Capital Management | 1.2M | $15.9M | 0.1% | 0.5% | +1.2% |
| 18 | BROWN BROTHERS HARRIMAN & CO | 942,550 | $12.1M | 0.1% | 0.4% | 0.0% |
| 19 | Nuveen, LLCNEW | 931,687 | $12.1M | 0.0% | 0.4% | new |
| 20 | Arax Advisory Partners | 864,877 | $11.1M | 0.1% | 0.3% | +100.6% |
| 21 | WELLS FARGO & COMPANY/MN | 853,625 | $11.0M | 0.0% | 0.3% | +14.8% |
| 22 | Cerity Partners LLC | 812,128 | $10.5M | 0.0% | 0.3% | -5.3% |
| 23 | BANK OF MONTREAL /CAN/ | 753,317 | $9.7M | 0.0% | 0.3% | -28.7% |
| 24 | D. E. Shaw & Co., Inc. | 684,435 | $8.8M | 0.0% | 0.3% | -28.2% |
| 25 | MERCER GLOBAL ADVISORS INC /ADV | 557,919 | $7.2M | 0.0% | 0.2% | +52.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.