Robertson Stephens Wealth Management’s iShares MBS ETF MBB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q3
$274K Buy
3,055
+730
+31% +$67.7K 0.01% 543
2026
Q2
$220K Buy
+2,325
New +$220K 0.01% 600
2025
Q3
– Sell
-12,296
Closed -$1.15M – 558
2025
Q2
$1.15M Sell
12,296
-302
-2% -$28K 0.04% 250
2025
Q1
$1.18M Sell
12,598
-6,866
-35% -$635K 0.04% 249
2024
Q4
$1.78M Sell
19,464
-3,705
-16% -$345K 0.06% 208
2024
Q3
$2.22M Buy
23,169
+666
+3% +$62.9K 0.08% 184
2024
Q2
$2.07M Buy
22,503
+6,092
+37% +$555K 0.1% 150
2024
Q1
$1.52M Buy
16,411
+301
+2% +$27.8K 0.08% 182
2023
Q4
$1.52M Sell
16,110
-3,211
-17% -$288K 0.09% 172
2023
Q3
$1.72M Sell
19,321
-8,422
-30% -$770K 0.12% 155
2023
Q2
$2.59M Buy
27,743
+1,386
+5% +$130K 0.18% 113
2023
Q1
$2.5M Buy
26,357
+2,733
+12% +$258K 0.19% 109
2022
Q4
$2.19M Buy
+23,624
New +$2.18M 0.21% 98
2021
Q1
– Sell
-6,689
Closed -$736K – 291
2020
Q4
$736K Buy
+6,689
New +$737K 0.15% 109

Other funds holding MBB

Robertson Stephens Wealth Management's MBB Position: Q3 2026 in Review

Robertson Stephens Wealth Management increased its iShares MBS ETF (MBB) stake by 31% in Q3 2026, buying an estimated $67.7K and bringing the position to 3,055 shares worth $274K. The position accounts for 0.01% of the portfolio, ranked #543.

Robertson Stephens Wealth Management first reported a position in MBB in Q4 2020 and has held it in 14 quarters since. The position peaked at $2.59M in Q2 2023. 540 funds tracked by Wall St. Rank hold MBB as of Q3 2026.

  • Robertson Stephens Wealth Management held 3,055 shares of iShares MBS ETF worth $274K as of Q3 2026.
  • Robertson Stephens Wealth Management bought 730 iShares MBS ETF shares in Q3 2026, an estimated $67.7K.
  • iShares MBS ETF made up 0.01% of Robertson Stephens Wealth Management's portfolio in Q3 2026, its #543 holding.
  • Robertson Stephens Wealth Management first reported a position in iShares MBS ETF in Q4 2020 and has held it in 14 quarters since.
  • Robertson Stephens Wealth Management's iShares MBS ETF position peaked at $2.59M in Q2 2023.
  • 540 funds tracked by Wall St. Rank held iShares MBS ETF as of Q3 2026.

Based on Robertson Stephens Wealth Management's 13F filing for Q3 2026, filed 16 Oct 2026.