Castleark Management’s Bandwidth Inc BAND Stock Holding History

Castleark Management’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	$4.36M	Buy	+68,880	New	+$3.09M	0.12%	170
2020 Q4	–	Sell	-58,834	Closed	-$10.3M	–	333
2020 Q3	$10.3M	Sell	58,834 -15,813	-21%	-$2.34M	0.4%	66
2020 Q2	$9.48M	Buy	74,647 +6,720	+10%	+$678K	0.41%	58
2020 Q1	$4.57M	Buy	+67,927	New	+$4.63M	0.27%	106
2019 Q4	–	Sell	-133,535	Closed	-$8.69M	–	344
2019 Q3	$8.69M	Buy	133,535 +60,705	+83%	+$4.73M	0.35%	101
2019 Q2	$5.46M	Buy	+72,830	New	+$5.31M	0.21%	148

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

Castleark Management's BAND Position: Q2 2026 in Review

Castleark Management opened a new position in Bandwidth Inc (BAND) in Q2 2026: 68,880 shares worth $4.36M. The stake represents 0.12% of the portfolio and ranks #170 among its holdings. This is a return to the name: Castleark Management previously reported a position in BAND as recently as Q3 2020.

Castleark Management first reported a position in BAND in Q2 2019 and has held it in 6 quarters since. The position peaked at $10.3M in Q3 2020. 240 funds tracked by Wall St. Rank hold BAND as of Q2 2026.

Castleark Management held 68,880 shares of Bandwidth Inc worth $4.36M as of Q2 2026.
Bandwidth Inc was a new Castleark Management position in Q2 2026.
Bandwidth Inc made up 0.12% of Castleark Management's portfolio in Q2 2026, its #170 holding.
Castleark Management first reported a position in Bandwidth Inc in Q2 2019 and has held it in 6 quarters since.
Castleark Management's Bandwidth Inc position peaked at $10.3M in Q3 2020.
240 funds tracked by Wall St. Rank held Bandwidth Inc as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.