William Blair & Company’s Golub Capital BDC GBDC Stock Holding History

William Blair & Company’s Portfolio GBDC Stock Details GBDC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$590K	Hold	45,826	–	–	﹤0.01%	1164
2026 Q1	$580K	Buy	45,826 +2,000	+5%	+$25.7K	﹤0.01%	1103
2025 Q4	$595K	Hold	43,826	–	–	﹤0.01%	1083
2025 Q3	$600K	Hold	43,826	–	–	﹤0.01%	1058
2025 Q2	$642K	Hold	43,826	–	–	﹤0.01%	1018
2025 Q1	$664K	Buy	43,826 +17,650	+67%	+$271K	﹤0.01%	1003
2024 Q4	$397K	Sell	26,176 -838	-3%	-$12.8K	﹤0.01%	1173
2024 Q3	$408K	Buy	27,014 +838	+3%	+$12.7K	﹤0.01%	1181
2024 Q2	$411K	Hold	26,176	–	–	﹤0.01%	1157
2024 Q1	$435K	Buy	26,176 +100	+0.4%	+$1.56K	﹤0.01%	1123
2023 Q4	$394K	Hold	26,076	–	–	﹤0.01%	1141
2023 Q3	$383K	Hold	26,076	–	–	﹤0.01%	1138
2023 Q2	$352K	Hold	26,076	–	–	﹤0.01%	1189
2023 Q1	$354K	Sell	26,076 -3,000	-10%	-$40.4K	﹤0.01%	1164
2022 Q4	$383K	Sell	29,076 -23,300	-44%	-$307K	﹤0.01%	1130
2022 Q3	$649K	Buy	52,376 +1,000	+2%	+$13.6K	﹤0.01%	964
2022 Q2	$666K	Buy	51,376 +21,050	+69%	+$301K	﹤0.01%	973
2022 Q1	$461K	Buy	30,326 +4,711	+18%	+$72.9K	﹤0.01%	1185
2021 Q4	$395K	Sell	25,615 -4,000	-14%	-$61.9K	﹤0.01%	1308
2021 Q3	$468K	Buy	29,615 +2,642	+10%	+$41.5K	﹤0.01%	1174
2021 Q2	$416K	Buy	26,973 +1,898	+8%	+$29.4K	﹤0.01%	1214
2021 Q1	$367K	Buy	25,075 +4,444	+22%	+$65.3K	﹤0.01%	1257
2020 Q4	$292K	Sell	20,631 -1,275	-6%	-$17.4K	﹤0.01%	1283
2020 Q3	$290K	Buy	21,906 +101	+0.5%	+$1.26K	﹤0.01%	1155
2020 Q2	$254K	Buy	+21,805	New	+$246K	﹤0.01%	1158
2020 Q1	–	Sell	-25,646	Closed	-$464K	–	1691
2019 Q4	$464K	Hold	25,646	–	–	﹤0.01%	1010
2019 Q3	$473K	Sell	25,646 -478	-2%	-$8.59K	﹤0.01%	970
2019 Q2	$465K	Sell	26,124 -3,621	-12%	-$63.5K	﹤0.01%	1004
2019 Q1	$530K	Buy	29,745 +2,812	+10%	+$49.5K	﹤0.01%	947
2018 Q4	$435K	Sell	26,933 -510	-2%	-$9.08K	﹤0.01%	958
2018 Q3	$504K	Hold	27,443	–	–	﹤0.01%	955
2018 Q2	$492K	Sell	27,443 -405	-1%	-$7.24K	﹤0.01%	955
2018 Q1	$488K	Sell	27,848 -1,910	-6%	-$33.8K	﹤0.01%	934
2017 Q4	$530K	Buy	29,758 +56	+0.2%	+$1.04K	﹤0.01%	942
2017 Q3	$547K	Buy	29,702 +1,065	+4%	+$19.9K	﹤0.01%	904
2017 Q2	$536K	Sell	28,637 -122	-0.4%	-$2.38K	﹤0.01%	962
2017 Q1	$539K	Sell	28,759 -1,745	-6%	-$32.4K	﹤0.01%	881
2016 Q4	$549K	Buy	30,504 +2,115	+7%	+$37.9K	﹤0.01%	805
2016 Q3	$516K	Sell	28,389 -3,431	-11%	-$62.8K	﹤0.01%	819
2016 Q2	$563K	Buy	31,820 +2,354	+8%	+$40K	0.01%	763
2016 Q1	$499K	Hold	29,466	–	–	﹤0.01%	791
2015 Q4	$479K	Buy	29,466 +1,531	+5%	+$25.2K	﹤0.01%	817
2015 Q3	$437K	Sell	27,935 -1,531	-5%	-$24.8K	﹤0.01%	1023
2015 Q2	$477K	Sell	29,466 -6,228	-17%	-$105K	﹤0.01%	1769
2015 Q1	$613K	Buy	35,694 +1,123	+3%	+$19.4K	﹤0.01%	1665
2014 Q4	$607K	Hold	34,571	–	–	﹤0.01%	1632
2014 Q3	$540K	Hold	34,571	–	–	﹤0.01%	1672
2014 Q2	$599K	Buy	34,571 +355	+1%	+$5.92K	﹤0.01%	1612
2014 Q1	$597K	Sell	34,216 -1,708	-5%	-$31.1K	﹤0.01%	1564
2013 Q4	$672K	Buy	35,924 +1,532	+4%	+$26.7K	﹤0.01%	1496
2013 Q3	$583K	Buy	34,392 +10,883	+46%	+$188K	﹤0.01%	1507
2013 Q2	$402K	Buy	+23,509	New	+$398K	﹤0.01%	1569

Other funds holding GBDC

STRS Ohio Columbus, Ohio $26.7B AUM 43.32% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Corient Private Wealth Miami, Florida $77.5B AUM 28.19% 1-Year Est. Return

SIS

Sound Income Strategies Ft Lauderdale, Florida $2.23B AUM 11.22% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

SMA

Sage Mountain Advisors Atlanta, Georgia $1.63B AUM 18.97% 1-Year Est. Return

OAC

OMERS Administration Corp Toronto, Ontario, Canada $16.7B AUM 35.96% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

William Blair & Company's GBDC Position: Q2 2026 in Review

William Blair & Company held its Golub Capital BDC (GBDC) position steady in Q2 2026 at 45,826 shares worth $590K. The position accounts for ﹤0.01% of the portfolio, ranked #1164.

William Blair & Company first reported a position in GBDC in Q2 2013 and has held it in 52 quarters since. The position peaked at $672K in Q4 2013. 317 funds tracked by Wall St. Rank hold GBDC as of Q2 2026.

William Blair & Company held 45,826 shares of Golub Capital BDC worth $590K as of Q2 2026.
William Blair & Company left its Golub Capital BDC share count unchanged in Q2 2026.
Golub Capital BDC made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1164 holding.
William Blair & Company first reported a position in Golub Capital BDC in Q2 2013 and has held it in 52 quarters since.
William Blair & Company's Golub Capital BDC position peaked at $672K in Q4 2013.
317 funds tracked by Wall St. Rank held Golub Capital BDC as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.