William Blair & Company’s Janus Henderson Mortgage-Backed Securities ETF JMBS Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-3,383	Closed	-$153K	–	1869
2025 Q1	$153K	Buy	3,383 +7	+0.2%	+$312	﹤0.01%	1444
2024 Q4	$149K	Buy	3,376 +11	+0.3%	+$496	﹤0.01%	1486
2024 Q3	$157K	Sell	3,365 -1,439	-30%	-$66.1K	﹤0.01%	1479
2024 Q2	$214K	Sell	4,804 -2,735	-36%	-$121K	﹤0.01%	1391
2024 Q1	$340K	Buy	7,539 +1,437	+24%	+$64.9K	﹤0.01%	1210
2023 Q4	$280K	Buy	+6,102	New	+$267K	﹤0.01%	1281

Other funds holding JMBS

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

RBA

Richard Bernstein Advisors New York $3.45B AUM 16.24% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

CWM

Congress Wealth Management Boston, Massachusetts $10.3B AUM 16.85% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return

Kovitz Investment Group Partners Chicago, Illinois $4.31B AUM 20.41% 1-Year Est. Return

HTC

Haverford Trust Company Radnor, Pennsylvania $10.9B AUM 18.64% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

William Blair & Company's JMBS Position: Q2 2025 in Review

William Blair & Company sold out of Janus Henderson Mortgage-Backed Securities ETF (JMBS) in Q2 2025, closing a stake of 3,383 shares — an estimated $153K sold.

William Blair & Company first reported a position in JMBS in Q4 2023 and held it in 6 quarters. The position peaked at $340K in Q1 2024. 218 funds tracked by Wall St. Rank hold JMBS as of Q2 2025.

William Blair & Company reported no remaining Janus Henderson Mortgage-Backed Securities ETF position as of Q2 2025 after selling out during the quarter.
William Blair & Company sold 3,383 Janus Henderson Mortgage-Backed Securities ETF shares in Q2 2025, an estimated $153K.
William Blair & Company first reported a position in Janus Henderson Mortgage-Backed Securities ETF in Q4 2023 and held it in 6 quarters.
William Blair & Company's Janus Henderson Mortgage-Backed Securities ETF position peaked at $340K in Q1 2024.
218 funds tracked by Wall St. Rank held Janus Henderson Mortgage-Backed Securities ETF as of Q2 2025.

Based on William Blair & Company's 13F filing for Q2 2025, filed 24 Jul 2025.