William Blair Investment Management
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William Blair Investment Management’s Bright Horizons BFAM Stock Holding History

William Blair Investment Management’s Portfolio BFAM Stock Details BFAM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$82.4M Sell
1,003,452
-125,587
-11% -$10.6M 0.27% 105
2025
Q4 		$114M Sell
1,129,039
-136,079
-11% -$13.7M 0.32% 86
2025
Q3 		$137M Sell
1,265,118
-181,003
-13% -$21M 0.36% 80
2025
Q2 		$179M Sell
1,446,121
-764,976
-35% -$93.8M 0.47% 60
2025
Q1 		$281M Sell
2,211,097
-159,239
-7% -$19.5M 0.79% 24
2024
Q4 		$263M Buy
2,370,336
+532,644
+29% +$64.1M 0.64% 29
2024
Q3 		$258M Sell
1,837,692
-29,326
-2% -$3.79M 0.64% 40
2024
Q2 		$206M Sell
1,867,018
-86,619
-4% -$9.36M 0.54% 49
2024
Q1 		$221M Sell
1,953,637
-77,782
-4% -$8.2M 0.57% 48
2023
Q4 		$191M Buy
2,031,419
+118,227
+6% +$10.1M 0.56% 53
2023
Q3 		$156M Buy
1,913,192
+191,545
+11% +$17.7M 0.52% 64
2023
Q2 		$159M Buy
1,721,647
+1,290,640
+299% +$109M 0.51% 67
2023
Q1 		$33.2M Buy
431,007
+171,536
+66% +$13.2M 0.12% 197
2022
Q4 		$16.4M Buy
259,471
+21,230
+9% +$1.39M 0.06% 278
2022
Q3 		$13.7M Sell
238,241
-1,120,974
-82% -$85.3M 0.05% 287
2022
Q2 		$115M Sell
1,359,215
-359,963
-21% -$35.8M 0.43% 86
2022
Q1 		$228M Sell
1,719,178
-297,070
-15% -$38.6M 0.68% 42
2021
Q4 		$254M Sell
2,016,248
-80,917
-4% -$11.2M 0.69% 43
2021
Q3 		$292M Sell
2,097,165
-34,790
-2% -$5.11M 0.82% 28
2021
Q2 		$314M Buy
2,131,955
+580,991
+37% +$86.9M 0.98% 23
2021
Q1 		$266M Buy
1,550,964
+321,792
+26% +$53M 0.86% 27
2020
Q4 		$213M Sell
1,229,172
-316,602
-20% -$51.8M 0.71% 46
2020
Q3 		$235M Buy
1,545,774
+29,589
+2% +$3.72M 0.92% 28
2020
Q2 		$178M Buy
+1,516,185
New +$173M 0.72% 45

Other funds holding BFAM

Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
ABI
Abrams Bison Investments Bethesda, Maryland $2.31B AUM 40.26% 1-Year Est. Return

William Blair Investment Management's BFAM Position: Q1 2026 in Review

William Blair Investment Management reduced its Bright Horizons (BFAM) stake by 11% in Q1 2026, selling an estimated $10.6M and leaving 1,003,452 shares worth $82.4M. The position accounts for 0.27% of the portfolio, ranked #105.

William Blair Investment Management first reported a position in BFAM in Q2 2020 and has held it in 24 quarters since. The position peaked at $314M in Q2 2021. 370 funds tracked by Wall St. Rank hold BFAM as of Q1 2026.

  • William Blair Investment Management held 1,003,452 shares of Bright Horizons worth $82.4M as of Q1 2026.
  • William Blair Investment Management sold 125,587 Bright Horizons shares in Q1 2026, an estimated $10.6M.
  • Bright Horizons made up 0.27% of William Blair Investment Management's portfolio in Q1 2026, its #105 holding.
  • William Blair Investment Management first reported a position in Bright Horizons in Q2 2020 and has held it in 24 quarters since.
  • William Blair Investment Management's Bright Horizons position peaked at $314M in Q2 2021.
  • 370 funds tracked by Wall St. Rank held Bright Horizons as of Q1 2026.

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