GBDC · Insider trading · 13F holders · Congress trades
GOLUB CAPITAL BDC, Inc. (GBDC)
Who is buying and selling GBDC: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 37
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $43.8M
- Congress trades, 12 months
- 4
GBDC at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 GBDC insiders filed 2 sales worth $43.8M on SEC Form 4, and no open-market purchases.
- 37 13F filers hold GBDC among their 50 largest positions, worth $621.5M combined. The biggest bets by portfolio weight are Lalia Capital, LLC (16.3%), Muzinich & Co., Inc. (9.0%) and Sage Mountain Advisors LLC (3.0%). In their latest 13Fs, 2 managers opened a new position and 10 added to one.
- Members of Congress have disclosed 10 GBDC trades since 2014, 0 purchases and 4 sales in the past year; the latest was David P. Joyce (R-OH), selling $1K–15K on Jun 30, 2023.
- GBDC last closed at $12.78 on Oct 29, 2026.
GBDC insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 GBDC insiders filed 2 sales worth $43.8M on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 11, 2026 | Golub Lawrence E | Director | Sale | 1,676,387 | $13.06 | $21.9M | SEC |
| Aug 11, 2026 | Golub David | Chairman & CEO, Director | Sale | 1,676,387 | $13.06 | $21.9M | SEC |
Who owns GBDC? Hedge funds and superinvestors
37 13F filers hold GBDC among their 50 largest positions, worth $621.5M combined. The biggest bets by portfolio weight are Lalia Capital, LLC (16.3%), Muzinich & Co., Inc. (9.0%) and Sage Mountain Advisors LLC (3.0%). In their latest 13Fs, 2 managers opened a new position and 10 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Strs OhioInvestment manager | 0.8% | $226.4M | 17,576,643 | +2.5% shares | Q2 2026 |
| Sage Mountain Advisors LLCWealth manager | 3.0% | $49.3M | 3,829,164 | +1.9% shares | Q2 2026 |
| Ares Management LLCHedge fund | 2.0% | $43.2M | 3,357,115 | +9.8% shares | Q2 2026 |
| Sound Income Strategies, LLCWealth manager | 1.9% | $41.8M | 3,422,189 | -11.7% shares | Q3 2026 |
| Allen Investment Management, LLCWealth manager | 0.5% | $40.9M | 3,174,058 | -5.7% shares | Q2 2026 |
| Lalia Capital, LLCAsset manager | 16.3% | $33.6M | 2,605,281 | +2.5% shares | Q2 2026 |
| Generali Asset Management SPA SGRAsset manager | 0.6% | $33.2M | 2,630,739 | +0.0% shares | Q3 2026 |
| Muzinich & Co., Inc.Hedge fund | 9.0% | $27.3M | 2,158,925 | +5.1% shares | Q3 2026 |
| State of Wisconsin - Board of Commissioners of Public LandsInvestment manager | 14.1% | $24.0M | 1,900,000 | New | Q3 2026 |
| Arnhold LLCHedge fund | 1.4% | $19.4M | 1,537,089 | +0.0% shares | Q3 2026 |
| Coastal Bridge Advisors, LLCWealth manager | 0.9% | $15.4M | 1,193,180 | -7.7% shares | Q2 2026 |
| Sigma Investment Counselors IncWealth manager | 0.6% | $12.3M | 973,116 | +5.5% shares | Q3 2026 |
| Prairiewood Capital, LLCWealth manager | 2.0% | $7.8M | 615,153 | +9.4% shares | Q3 2026 |
| Next Capital Management LLCWealth manager | 1.8% | $6.5M | 505,442 | -10.9% shares | Q2 2026 |
| Granite FO LLCWealth manager | 2.5% | $4.7M | 374,795 | +0.0% shares | Q3 2026 |
| Castlekeep Investment Advisors LLCInstitutional asset manager | 2.4% | $4.7M | 366,121 | +5.6% shares | Q2 2026 |
| Tranquility Partners, LLCWealth manager | 1.4% | $4.1M | 327,489 | -6.4% shares | Q3 2026 |
| Eagle Bay Advisors LLCWealth manager | 2.0% | $2.7M | 214,709 | — | Q3 2026 |
| GraniteShares Advisors LLCMutual fund manager | 1.7% | $2.6M | 209,338 | +1.6% shares | Q3 2026 |
| Shikiar Asset Management IncWealth manager | 0.6% | $2.5M | 194,200 | -13.2% shares | Q3 2026 |
| Silverberg Bernstein Capital Management LLCWealth manager | 0.9% | $1.9M | 151,444 | -2.9% shares | Q3 2026 |
| Bayshore Capital Advisors, LLCHedge fund | 0.9% | $1.9M | 144,908 | +141.5% shares | Q2 2026 |
| Stableford Capital II LLCAsset manager | 0.6% | $1.8M | 139,842 | -0.7% shares | Q3 2026 |
| Whipplewood Advisors, LLCWealth manager | 1.1% | $1.6M | 130,064 | +16.1% shares | Q3 2026 |
| General Partner, Inc.Institutional asset manager | 0.8% | $1.6M | 123,041 | +0.0% shares | Q3 2026 |
| Cura Wealth Advisors, LLCWealth manager | 0.7% | $1.5M | 120,200 | +0.0% shares | Q2 2026 |
| Independent Family Office, LLCWealth manager | 0.6% | $1.5M | 119,013 | +0.0% shares | Q2 2026 |
| Osbon Capital Management LLCWealth manager | 1.1% | $1.4M | 111,755 | -0.3% shares | Q2 2026 |
| Family Wealth Partners, LLCWealth manager | 0.3% | $1.1M | 88,215 | +10.4% shares | Q3 2026 |
| Orographic Financial Advisors, LLCWealth manager | 0.7% | $1.1M | 84,244 | -0.3% shares | Q2 2026 |
The 30 largest of 37 positions, by value. Each manager counts with its latest 13F (Q3 2026: 20, Q2 2026: 17). Screen GBDC in the grand portfolio →
GBDC stock trades by members of Congress
Members of Congress have disclosed 10 GBDC trades since 2014, 0 purchases and 4 sales in the past year; the latest was David P. Joyce (R-OH), selling $1K–15K on Jun 30, 2023.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Aug 6, 2024 | David P. JoyceR-OH · House | Sale | $1K–15K | Jun 30, 2023 | -6.0% |
| Aug 6, 2024 | David P. JoyceR-OH · House | Sale | $15K–50K | Jun 19, 2023 | -5.3% |
| Aug 6, 2024 | David P. JoyceR-OH · House | Sale | $15K–50K | Jul 14, 2022 | -5.9% |
| Aug 6, 2024 | David P. JoyceR-OH · House | Sale | $15K–50K | Jul 12, 2022 | -6.1% |
| Dec 7, 2022 | Teresa Leger FernandezD-NM · House | Sale | $15K–50K | Jan 20, 2021 | -13.1% |
| Jul 27, 2021 | David P. JoyceR-OH · House | Buy | $1K–15K | Feb 25, 2020 | -26.2% |
| Jul 30, 2020 | David P. JoyceR-OH · House | Buy | $15K–50K | May 30, 2019 | -27.0% |
| May 8, 2019 | David P. JoyceR-OH · House | Buy | $15K–50K | Dec 21, 2018 | -21.2% |
| May 5, 2015 | Alan S. LowenthalD-CA · House | Sale | $15K–50K | May 16, 2014 | -19.4% |
| May 31, 2014 | Alan S. LowenthalD-CA · House | Sale | $15K–50K | May 16, 2014 | -19.4% |
3 members have traded GBDC: David P. Joyce, Teresa Leger Fernandez, Alan S. Lowenthal.
GBDC questions and answers
Are insiders buying GBDC stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 GBDC insiders filed 2 sales worth $43.8M on SEC Form 4, and no open-market purchases.
Which hedge funds own GBDC?
37 13F filers hold GBDC among their 50 largest positions, worth $621.5M combined. The biggest bets by portfolio weight are Lalia Capital, LLC (16.3%), Muzinich & Co., Inc. (9.0%) and Sage Mountain Advisors LLC (3.0%). In their latest 13Fs, 2 managers opened a new position and 10 added to one.
Has Congress traded GBDC?
Members of Congress have disclosed 10 GBDC trades since 2014, 0 purchases and 4 sales in the past year; the latest was David P. Joyce (R-OH), selling $1K–15K on Jun 30, 2023.
Who is the largest holder of GBDC?
Among 13F filers, Strs Ohio reports the largest GBDC position, $226.4M (17,576,643 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Lalia Capital, LLC's: 16.3% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.