Marshall Wace’s Bandwidth Inc BAND Stock Holding History

Marshall Wace’s Portfolio BAND Stock Details BAND Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$12.2M	Buy	+192,082	New	+$8.62M	0.01%	955
2025 Q2	–	Sell	-26,224	Closed	-$344K	–	2705
2025 Q1	$344K	Buy	+26,224	New	+$429K	﹤0.01%	2210
2024 Q2	–	Sell	-63,834	Closed	-$1.17M	–	2550
2024 Q1	$1.17M	Buy	+63,834	New	+$1M	﹤0.01%	1592
2023 Q2	–	Sell	-114,652	Closed	-$1.74M	–	2460
2023 Q1	$1.74M	Buy	+114,652	New	+$2.31M	﹤0.01%	1525
2022 Q4	–	Sell	-88,088	Closed	-$1.05M	–	2927
2022 Q3	$1.05M	Sell	88,088 -439,221	-83%	-$7.22M	﹤0.01%	2380
2022 Q2	$9.93M	Sell	527,309 -227,968	-30%	-$5.27M	0.02%	883
2022 Q1	$24.5M	Buy	755,277 +577,398	+325%	+$27.7M	0.05%	424
2021 Q4	$12.8M	Buy	177,879 +39,300	+28%	+$3.06M	0.02%	699
2021 Q3	$12.5M	Buy	+138,579	New	+$16M	0.05%	433
2020 Q2	–	Sell	-83,044	Closed	-$5.59M	–	1551
2020 Q1	$5.59M	Buy	83,044 +81,954	+7,519%	+$5.59M	0.06%	355
2019 Q4	$70K	Buy	+1,090	New	+$63.1K	﹤0.01%	1509

Other funds holding BAND

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

HRCM

Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Marshall Wace's BAND Position: Q2 2026 in Review

Marshall Wace opened a new position in Bandwidth Inc (BAND) in Q2 2026: 192,082 shares worth $12.2M. The stake represents 0.01% of the portfolio and ranks #955 among its holdings. This is a return to the name: Marshall Wace previously reported a position in BAND as recently as Q1 2025.

Marshall Wace first reported a position in BAND in Q4 2019 and has held it in 11 quarters since. The position peaked at $24.5M in Q1 2022. 241 funds tracked by Wall St. Rank hold BAND as of Q2 2026.

Marshall Wace held 192,082 shares of Bandwidth Inc worth $12.2M as of Q2 2026.
Bandwidth Inc was a new Marshall Wace position in Q2 2026.
Bandwidth Inc made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #955 holding.
Marshall Wace first reported a position in Bandwidth Inc in Q4 2019 and has held it in 11 quarters since.
Marshall Wace's Bandwidth Inc position peaked at $24.5M in Q1 2022.
241 funds tracked by Wall St. Rank held Bandwidth Inc as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.