William Blair & Company
KVYO icon

William Blair & Company’s Klaviyo KVYO Stock Holding History

William Blair & Company’s Portfolio KVYO Stock Details KVYO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.03M Buy
68,288
+7,317
+12% +$121K ﹤0.01% 965
2026
Q1 		$1.19M Sell
60,971
-14,166
-19% -$304K ﹤0.01% 887
2025
Q4 		$2.44M Sell
75,137
-163,639
-69% -$4.58M 0.01% 696
2025
Q3 		$6.61M Sell
238,776
-6,479
-3% -$209K 0.02% 454
2025
Q2 		$8.24M Buy
245,255
+14,102
+6% +$447K 0.02% 387
2025
Q1 		$6.99M Buy
231,153
+24,929
+12% +$1.01M 0.02% 407
2024
Q4 		$8.5M Sell
206,224
-744
-0.4% -$28.4K 0.02% 364
2024
Q3 		$7.32M Buy
206,968
+6,288
+3% +$182K 0.02% 407
2024
Q2 		$4.99M Buy
200,680
+25,149
+14% +$588K 0.02% 491
2024
Q1 		$4.47M Buy
175,531
+162,373
+1,234% +$4.34M 0.01% 506
2023
Q4 		$366K Buy
+13,158
New +$389K ﹤0.01% 1164

Other funds holding KVYO

SP
Summit Partners Boston, Massachusetts $609M AUM 7.66% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
WRCM
Whale Rock Capital Management Boston, Massachusetts $12.5B AUM 306.52% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

William Blair & Company's KVYO Position: Q2 2026 in Review

William Blair & Company increased its Klaviyo (KVYO) stake by 12% in Q2 2026, buying an estimated $121K and bringing the position to 68,288 shares worth $1.03M. The position accounts for ﹤0.01% of the portfolio, ranked #965.

William Blair & Company first reported a position in KVYO in Q4 2023 and has held it in 11 quarters since. The position peaked at $8.5M in Q4 2024. 277 funds tracked by Wall St. Rank hold KVYO as of Q2 2026.

  • William Blair & Company held 68,288 shares of Klaviyo worth $1.03M as of Q2 2026.
  • William Blair & Company bought 7,317 Klaviyo shares in Q2 2026, an estimated $121K.
  • Klaviyo made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #965 holding.
  • William Blair & Company first reported a position in Klaviyo in Q4 2023 and has held it in 11 quarters since.
  • William Blair & Company's Klaviyo position peaked at $8.5M in Q4 2024.
  • 277 funds tracked by Wall St. Rank held Klaviyo as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.