William Blair & Company
TWLO icon

William Blair & Company’s Twilio TWLO Stock Holding History

William Blair & Company’s Portfolio TWLO Stock Details TWLO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$28.8M Sell
228,695
-7,298
-3% -$898K 0.08% 202
2025
Q4 		$33.6M Buy
235,993
+36,425
+18% +$4.51M 0.09% 174
2025
Q3 		$20M Buy
199,568
+5,028
+3% +$566K 0.05% 232
2025
Q2 		$24.2M Sell
194,540
-6,115
-3% -$650K 0.07% 202
2025
Q1 		$19.6M Sell
200,655
-23,418
-10% -$2.78M 0.06% 221
2024
Q4 		$24.2M Buy
224,073
+142,253
+174% +$13M 0.07% 207
2024
Q3 		$5.34M Sell
81,820
-17,324
-17% -$1.04M 0.02% 492
2024
Q2 		$5.63M Buy
99,144
+1,251
+1% +$73.8K 0.02% 456
2024
Q1 		$5.99M Sell
97,893
-91,787
-48% -$6.05M 0.02% 443
2023
Q4 		$14.4M Sell
189,680
-34,809
-16% -$2.17M 0.05% 261
2023
Q3 		$13.1M Sell
224,489
-47,048
-17% -$2.93M 0.05% 267
2023
Q2 		$17.3M Sell
271,537
-9,580
-3% -$565K 0.06% 223
2023
Q1 		$18.7M Buy
281,117
+19,894
+8% +$1.23M 0.07% 213
2022
Q4 		$12.8M Sell
261,223
-184,463
-41% -$10.5M 0.06% 267
2022
Q3 		$30.8M Sell
445,686
-136,590
-23% -$10.9M 0.14% 141
2022
Q2 		$48.8M Buy
582,276
+44,013
+8% +$4.92M 0.22% 106
2022
Q1 		$88.7M Buy
538,263
+97,384
+22% +$17.7M 0.31% 78
2021
Q4 		$116M Buy
440,879
+16,580
+4% +$4.96M 0.36% 63
2021
Q3 		$135M Buy
424,299
+16,522
+4% +$6.02M 0.46% 46
2021
Q2 		$161M Buy
407,777
+16,457
+4% +$5.71M 0.56% 42
2021
Q1 		$133M Sell
391,320
-20,036
-5% -$7.5M 0.5% 43
2020
Q4 		$139M Buy
411,356
+8,643
+2% +$2.7M 0.51% 45
2020
Q3 		$99.5M Buy
402,713
+15,952
+4% +$3.93M 0.42% 52
2020
Q2 		$84.9M Sell
386,761
-19,573
-5% -$3.14M 0.4% 55
2020
Q1 		$36.4M Buy
406,334
+94,357
+30% +$10.4M 0.23% 97
2019
Q4 		$30.7M Sell
311,977
-48,462
-13% -$4.95M 0.16% 141
2019
Q3 		$39.6M Buy
360,439
+12,473
+4% +$1.62M 0.23% 99
2019
Q2 		$47.4M Buy
347,966
+41,772
+14% +$5.56M 0.27% 88
2019
Q1 		$39.6M Buy
306,194
+214,759
+235% +$24.2M 0.24% 101
2018
Q4 		$8.16M Buy
91,435
+234
+0.3% +$19K 0.06% 261
2018
Q3 		$7.87M Sell
91,201
-7,371
-7% -$539K 0.05% 290
2018
Q2 		$5.52M Sell
98,572
-3,115
-3% -$154K 0.04% 330
2018
Q1 		$3.88M Sell
101,687
-106,021
-51% -$3.36M 0.03% 408
2017
Q4 		$4.9M Sell
207,708
-267,535
-56% -$7.51M 0.03% 361
2017
Q3 		$14.2M Buy
475,243
+378,029
+389% +$11.3M 0.11% 193
2017
Q2 		$2.83M Buy
97,214
+8,127
+9% +$222K 0.02% 489
2017
Q1 		$2.83M Buy
89,087
+37,458
+73% +$1.13M 0.02% 454
2016
Q4 		$1.49M Buy
+51,629
New +$1.93M 0.01% 563

Other funds holding TWLO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
SHCM
Sachem Head Capital Management New York $4.15B AUM 48.05% 1-Year Est. Return

William Blair & Company's TWLO Position: Q1 2026 in Review

William Blair & Company reduced its Twilio (TWLO) stake by 3.1% in Q1 2026, selling an estimated $898K and leaving 228,695 shares worth $28.8M. The position accounts for 0.08% of the portfolio, ranked #202.

William Blair & Company first reported a position in TWLO in Q4 2016 and has held it in 38 quarters since. The position peaked at $161M in Q2 2021. 815 funds tracked by Wall St. Rank hold TWLO as of Q1 2026.

  • William Blair & Company held 228,695 shares of Twilio worth $28.8M as of Q1 2026.
  • William Blair & Company sold 7,298 Twilio shares in Q1 2026, an estimated $898K.
  • Twilio made up 0.08% of William Blair & Company's portfolio in Q1 2026, its #202 holding.
  • William Blair & Company first reported a position in Twilio in Q4 2016 and has held it in 38 quarters since.
  • William Blair & Company's Twilio position peaked at $161M in Q2 2021.
  • 815 funds tracked by Wall St. Rank held Twilio as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.