Winthrop Capital Management
MBB icon

Winthrop Capital Management’s iShares MBS ETF MBB Stock Holding History

Winthrop Capital 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
Q3 		$5.82M Buy
64,957
+524
+0.8% +$48.6K 1.42% 23
2026
Q2 		$6.09M Sell
64,433
-24
-0% -$2.27K 1.47% 22
2026
Q1 		$6.12M Sell
64,457
-607
-0.9% -$58K 1.57% 20
2025
Q4 		$6.2M Sell
65,064
-3,375
-5% -$322K 1.44% 24
2025
Q3 		$6.51M Sell
68,439
-1,316
-2% -$124K 1.57% 22
2025
Q2 		$6.55M Sell
69,755
-3,347
-5% -$310K 1.66% 20
2025
Q1 		$6.86M Buy
73,102
+18
+0% +$1.66K 1.89% 16
2024
Q4 		$6.71M Buy
+73,084
New +$6.8M 1.78% 15
2024
Q1 		– Sell
-642
Closed -$60.4K – 233
2023
Q4 		$60.4K Buy
+642
New +$57.6K 0.02% 161

Other funds holding MBB

LPL Financial
LPL Financial San Diego, California $468B AUM 17.69% 1-Year Est. Return
Truist Financial
Truist Financial Charlotte, North Carolina $84.4B AUM 20.16% 1-Year Est. Return
Allworth Financial
Allworth Financial Folsom, California $28.2B AUM 13.34% 1-Year Est. Return
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $191B AUM 30.51% 1-Year Est. Return
Midland Wealth Advisors
Midland Wealth Advisors Effingham, Illinois $2.16B AUM 9.37% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
CLA (CliftonLarsonAllen) Wealth Advisors
CLA (CliftonLarsonAllen) Wealth Advisors Minneapolis, Minnesota $7.66B AUM 9.25% 1-Year Est. Return
Bessemer Group
Bessemer Group Woodbridge, New Jersey $72.8B AUM 32.97% 1-Year Est. Return
Ferguson Wellman Capital Management
Ferguson Wellman Capital Management Portland, Oregon $8.38B AUM 25.07% 1-Year Est. Return

Winthrop Capital Management's MBB Position: Q3 2026 in Review

Winthrop Capital Management increased its iShares MBS ETF (MBB) stake by 0.81% in Q3 2026, buying an estimated $48.6K and bringing the position to 64,957 shares worth $5.82M. The position accounts for 1.42% of the portfolio, ranked #23.

Winthrop Capital Management first reported a position in MBB in Q4 2023 and has held it in 9 quarters since. The position peaked at $6.86M in Q1 2025. 580 funds tracked by Wall St. Rank hold MBB as of Q3 2026.

  • Winthrop Capital Management held 64,957 shares of iShares MBS ETF worth $5.82M as of Q3 2026.
  • Winthrop Capital Management bought 524 iShares MBS ETF shares in Q3 2026, an estimated $48.6K.
  • iShares MBS ETF made up 1.42% of Winthrop Capital Management's portfolio in Q3 2026, its #23 holding.
  • Winthrop Capital Management first reported a position in iShares MBS ETF in Q4 2023 and has held it in 9 quarters since.
  • Winthrop Capital Management's iShares MBS ETF position peaked at $6.86M in Q1 2025.
  • 580 funds tracked by Wall St. Rank held iShares MBS ETF as of Q3 2026.

Based on Winthrop Capital Management's 13F filing for Q3 2026, filed 5 Nov 2026.