Harbor Capital Advisors’s iShares MBS ETF MBB Stock Holding History

Harbor Capital Advisors’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 Q2	$2K	Sell	16 -1,451	-99%	-$137K	﹤0.01%	1198
2026 Q1	$139K	Sell	1,467 -3,032	-67%	-$290K	0.01%	617
2025 Q4	$428K	Buy	4,499 +2,792	+164%	+$266K	0.03%	529
2025 Q3	$162K	Buy	1,707 +426	+33%	+$40K	0.01%	616
2025 Q2	$120K	Buy	1,281 +92	+8%	+$8.53K	0.01%	636
2025 Q1	$112K	Buy	+1,189	New	+$110K	0.01%	650
2024 Q3	–	Sell	-608	Closed	-$56K	–	1352
2024 Q2	$56K	Sell	608 -949	-61%	-$86.4K	﹤0.01%	717
2024 Q1	$144K	Sell	1,557 -173	-10%	-$16K	0.02%	679
2023 Q4	$163K	Buy	+1,730	New	+$155K	0.03%	380

Other funds holding MBB

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

Envestnet Asset Management Chicago, Illinois $424B AUM 22.9% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

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

TWIM

TIAA Wealth Investment Management New York $15B AUM

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

TCIIS

TIAA-CREF Individual & Institutional Services New York $29.1B AUM

Truist Financial Charlotte, North Carolina $83.7B AUM 27.22% 1-Year Est. Return

Harbor Capital Advisors's MBB Position: Q2 2026 in Review

Harbor Capital Advisors reduced its iShares MBS ETF (MBB) stake by 99% in Q2 2026, selling an estimated $137K and leaving 16 shares worth $2K. The position accounts for ﹤0.01% of the portfolio, ranked #1198.

Harbor Capital Advisors first reported a position in MBB in Q4 2023 and has held it in 9 quarters since. The position peaked at $428K in Q4 2025. 1,029 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

Harbor Capital Advisors held 16 shares of iShares MBS ETF worth $2K as of Q2 2026.
Harbor Capital Advisors sold 1,451 iShares MBS ETF shares in Q2 2026, an estimated $137K.
iShares MBS ETF made up ﹤0.01% of Harbor Capital Advisors's portfolio in Q2 2026, its #1198 holding.
Harbor Capital Advisors first reported a position in iShares MBS ETF in Q4 2023 and has held it in 9 quarters since.
Harbor Capital Advisors's iShares MBS ETF position peaked at $428K in Q4 2025.
1,029 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.