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Golub Capital BDC, Inc.

GBDC
Exchange
Nasdaq
SEC CIK
0001476765

In the last 90 days, Golub Capital BDC, Inc. insiders filed 0 open-market purchases and 1 sale; 319 institutions reported holding it in 13F filings for Q2 2026, worth $1.57B in total; no superinvestor holds it.

Holders of 5% or more of GBDC

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Golub Capital BDC, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of GBDC
HolderLatest formStakeChangeFirst filedLatest filingFiling
STRS Ohio13G/A6.30%16.7M shares+0.60 ppfrom 5.70%Jan 14, 20218 filingsJan 13, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

8 Schedule 13D and 13G filings on Golub Capital BDC, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on GBDC
Filed (ET)FilerFormStakeChangeEvent dateFiling
Jan 13, 20268:16 AM ETSTRS Ohio13G/A6.30%16.7M shares+0.60 ppfrom 5.70%Dec 31, 2025SEC
Jan 10, 20258:57 AM ETSTRS Ohio13G5.70%15.0M shares+1.60 ppfrom 4.10%Dec 31, 2024SEC
Feb 15, 20245:11 PM ETSTRS Ohio13G/A4.10%6.91M shares−1.40 ppfrom 5.50%Below 5%Jan 31, 2024SEC
Jan 11, 20248:44 AM ETSTRS Ohio13G/A5.50%9.30M shares–Dec 31, 2023SEC
Jan 19, 2023STRS Ohio13G/AOld format–––SEC
Jan 13, 2022STRS Ohio13G/AOld format–––SEC
Jan 5, 2022STRS Ohio13G/AOld format–––SEC
Jan 14, 2021STRS Ohio13G/AOld format–––SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Golub Capital BDC, Inc. shares.

No Form 144 notices for Golub Capital BDC, Inc. are on file.