PCM
BAND

Portolan Capital Management’s Bandwidth Inc BAND Stock Holding History

Portolan Capital 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 		$26.1M Buy
+412,701
New +$18.5M 0.98% 31
2026
Q1 		– Sell
-336,874
Closed -$5.2M – 146
2025
Q4 		$5.2M Sell
336,874
-408,928
-55% -$6.2M 0.28% 107
2025
Q3 		$12.4M Buy
745,802
+400,231
+116% +$6.17M 0.67% 52
2025
Q2 		$5.49M Buy
+345,571
New +$4.7M 0.34% 79
2024
Q1 		– Sell
-192,138
Closed -$2.78M – 122
2023
Q4 		$2.78M Buy
+192,138
New +$2.24M 0.24% 99
2023
Q1 		– Sell
-157,069
Closed -$3.6M – 144
2022
Q4 		$3.6M Buy
157,069
+79,660
+103% +$1.45M 0.36% 88
2022
Q3 		$921K Sell
77,409
-703,460
-90% -$11.6M 0.1% 123
2022
Q2 		$14.7M Sell
780,869
-238,624
-23% -$5.51M 1.48% 19
2022
Q1 		$33M Buy
1,019,493
+564,631
+124% +$27M 2.63% 2
2021
Q4 		$32.6M Buy
454,862
+257,002
+130% +$20M 2.2% 7
2021
Q3 		$17.9M Buy
197,860
+34,884
+21% +$4.03M 1.3% 30
2021
Q2 		$22.5M Buy
162,976
+35,474
+28% +$4.45M 1.62% 17
2021
Q1 		$16.2M Buy
127,502
+40,638
+47% +$6.3M 1.27% 18
2020
Q4 		$13.3M Sell
86,864
-37,854
-30% -$6.24M 1.21% 22
2020
Q3 		$21.8M Sell
124,718
-112,179
-47% -$16.6M 2.46% 4
2020
Q2 		$30.1M Sell
236,897
-117,239
-33% -$11.8M 3.44% 1
2020
Q1 		$23.8M Buy
354,136
+59,136
+20% +$4.03M 3.57% 2
2019
Q4 		$18.9M Sell
295,000
-190,766
-39% -$11M 1.91% 12
2019
Q3 		$31.6M Sell
485,766
-161,074
-25% -$12.6M 3.57% 6
2019
Q2 		$48.5M Sell
646,840
-306,402
-32% -$22.4M 5.22% 1
2019
Q1 		$63.8M Buy
953,242
+254,803
+36% +$13.4M 6.57% 1
2018
Q4 		$28.5M Buy
698,439
+164,348
+31% +$7.72M 3.53% 5
2018
Q3 		$28.6M Buy
534,091
+305,537
+134% +$13.5M 2.82% 8
2018
Q2 		$8.68M Buy
+228,554
New +$8.07M 0.89% 45

Other funds holding BAND

BlackRock
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
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Portolan Capital Management's BAND Position: Q2 2026 in Review

Portolan Capital Management opened a new position in Bandwidth Inc (BAND) in Q2 2026: 412,701 shares worth $26.1M. The stake represents 0.98% of the portfolio and ranks #31 among its holdings. This is a return to the name: Portolan Capital Management previously reported a position in BAND as recently as Q4 2025.

Portolan Capital Management first reported a position in BAND in Q2 2018 and has held it in 24 quarters since. The position peaked at $63.8M in Q1 2019. 241 funds tracked by Wall St. Rank hold BAND as of Q2 2026.

  • Portolan Capital Management held 412,701 shares of Bandwidth Inc worth $26.1M as of Q2 2026.
  • Bandwidth Inc was a new Portolan Capital Management position in Q2 2026.
  • Bandwidth Inc made up 0.98% of Portolan Capital Management's portfolio in Q2 2026, its #31 holding.
  • Portolan Capital Management first reported a position in Bandwidth Inc in Q2 2018 and has held it in 24 quarters since.
  • Portolan Capital Management's Bandwidth Inc position peaked at $63.8M in Q1 2019.
  • 241 funds tracked by Wall St. Rank held Bandwidth Inc as of Q2 2026.

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