Marshall Wace’s iShares 1-5 Year Investment Grade Corporate Bond ETF IGSB Stock Holding History

Marshall Wace’s Portfolio IGSB Stock Details IGSB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-118,592	Closed	-$6.26M	–	3108
2025 Q2	$6.26M	Buy	+118,592	New	+$6.2M	0.01%	1044
2025 Q1	–	Sell	-306,100	Closed	-$15.8M	–	2837
2024 Q4	$15.8M	Buy	306,100 +48,100	+19%	+$2.5M	0.02%	617
2024 Q3	$13.6M	Buy	258,000 +38,100	+17%	+$1.98M	0.02%	647
2024 Q2	$11.3M	Buy	219,900 +79,900	+57%	+$4.08M	0.02%	682
2024 Q1	$7.18M	Hold	140,000	–	–	0.01%	865
2023 Q4	$7.18M	Buy	+140,000	New	+$7.03M	0.01%	781

Other funds holding IGSB

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

MMI

Matson Money Inc Mason, Ohio $3.59B AUM 16.37% 1-Year Est. Return

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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

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

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Allstate Corporation Northbrook, Illinois $10B AUM 30.74% 1-Year Est. Return

Marshall Wace's IGSB Position: Q3 2025 in Review

Marshall Wace sold out of iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB) in Q3 2025, closing a stake of 118,592 shares — an estimated $6.26M sold.

Marshall Wace first reported a position in IGSB in Q4 2023 and held it in 6 quarters. The position peaked at $15.8M in Q4 2024. 951 funds tracked by Wall St. Rank hold IGSB as of Q3 2025.

Marshall Wace reported no remaining iShares 1-5 Year Investment Grade Corporate Bond ETF position as of Q3 2025 after selling out during the quarter.
Marshall Wace sold 118,592 iShares 1-5 Year Investment Grade Corporate Bond ETF shares in Q3 2025, an estimated $6.26M.
Marshall Wace first reported a position in iShares 1-5 Year Investment Grade Corporate Bond ETF in Q4 2023 and held it in 6 quarters.
Marshall Wace's iShares 1-5 Year Investment Grade Corporate Bond ETF position peaked at $15.8M in Q4 2024.
951 funds tracked by Wall St. Rank held iShares 1-5 Year Investment Grade Corporate Bond ETF as of Q3 2025.

Based on Marshall Wace's 13F filing for Q3 2025, filed 13 Nov 2025.