Madison Asset Management’s iShares MBS ETF MBB Stock Holding History

Madison Asset Management’s Portfolio MBB Stock Details MBB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$334K	Hold	3,519	–	–	﹤0.01%	333
2025 Q4	$335K	Hold	3,519	–	–	﹤0.01%	324
2025 Q3	$335K	Hold	3,519	–	–	﹤0.01%	317
2025 Q2	$330K	Hold	3,519	–	–	﹤0.01%	314
2025 Q1	$330K	Hold	3,519	–	–	﹤0.01%	309
2024 Q4	$323K	Hold	3,519	–	–	﹤0.01%	317
2024 Q3	$337K	Sell	3,519 -72,715	-95%	-$6.87M	﹤0.01%	305
2024 Q2	$7M	Buy	76,234 +3,413	+5%	+$311K	0.09%	148
2024 Q1	$6.73M	Sell	72,821 -5,419	-7%	-$501K	0.08%	153
2023 Q4	$7.36M	Hold	78,240	–	–	0.1%	148
2023 Q3	$6.95M	Sell	78,240 -483	-0.6%	-$44.1K	0.1%	149
2023 Q2	$7.34M	Buy	+78,723	New	+$7.4M	0.11%	143
2023 Q1	–	Sell	-21,748	Closed	-$2.02M	–	313
2022 Q4	$2.02M	Buy	+21,748	New	+$2.01M	0.03%	246
2022 Q1	–	Sell	-459,572	Closed	-$49.4M	–	319
2021 Q4	$49.4M	Sell	459,572 -113,183	-20%	-$12.2M	0.65%	60
2021 Q3	$61.9M	Sell	572,755 -142,171	-20%	-$15.4M	0.85%	41
2021 Q2	$77.4M	Sell	714,926 -543,229	-43%	-$58.9M	1.04%	28
2021 Q1	$136M	Buy	1,258,155 +161,312	+15%	+$17.7M	1.9%	5
2020 Q4	$121M	Buy	1,096,843 +58,115	+6%	+$6.4M	1.78%	7
2020 Q3	$115M	Buy	1,038,728 +429,360	+70%	+$47.5M	1.92%	7
2020 Q2	$67.5M	Sell	609,368 -14,042	-2%	-$1.55M	1.18%	25
2020 Q1	$68.8M	Buy	623,410 +102,289	+20%	+$11.1M	1.41%	15
2019 Q4	$56.3M	Buy	+521,121	New	+$56.3M	0.86%	42

Other funds holding MBB

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

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

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

LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return

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

TWIM

TIAA Wealth Investment Management New York $13.1B AUM

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

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

TCIIS

TIAA-CREF Individual & Institutional Services New York $26B AUM

Truist Financial Charlotte, North Carolina $74.2B AUM 21.09% 1-Year Est. Return

Madison Asset Management's MBB Position: Q1 2026 in Review

Madison Asset Management held its iShares MBS ETF (MBB) position steady in Q1 2026 at 3,519 shares worth $334K. The position accounts for ﹤0.01% of the portfolio, ranked #333.

Madison Asset Management first reported a position in MBB in Q4 2019 and has held it in 22 quarters since. The position peaked at $136M in Q1 2021. 1,019 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

Madison Asset Management held 3,519 shares of iShares MBS ETF worth $334K as of Q1 2026.
Madison Asset Management left its iShares MBS ETF share count unchanged in Q1 2026.
iShares MBS ETF made up ﹤0.01% of Madison Asset Management's portfolio in Q1 2026, its #333 holding.
Madison Asset Management first reported a position in iShares MBS ETF in Q4 2019 and has held it in 22 quarters since.
Madison Asset Management's iShares MBS ETF position peaked at $136M in Q1 2021.
1,019 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

Based on Madison Asset Management's 13F filing for Q1 2026, filed 7 May 2026.