William Blair Investment Management
RYAAY icon

William Blair Investment Management’s Ryanair RYAAY Stock Holding History

William Blair Investment Management’s Portfolio RYAAY Stock Details RYAAY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$24.3M Buy
420,246
+369,378
+726% +$24.4M 0.08% 230
2025
Q4 		$3.67M Buy
+50,868
New +$3.31M 0.01% 347
2024
Q3 		– Sell
-1,734,100
Closed -$80.8M – 446
2024
Q2 		$80.8M Sell
1,734,100
-567,555
-25% -$29.5M 0.21% 116
2024
Q1 		$134M Sell
2,301,655
-57,525
-2% -$3.13M 0.35% 90
2023
Q4 		$126M Sell
2,359,180
-38,233
-2% -$1.68M 0.37% 91
2023
Q3 		$93.2M Buy
2,397,413
+1,617,733
+207% +$65.7M 0.31% 101
2023
Q2 		$34.5M Buy
779,680
+30,942
+4% +$1.25M 0.11% 202
2023
Q1 		$28.3M Buy
748,738
+15,553
+2% +$574K 0.1% 229
2022
Q4 		$22M Sell
733,185
-2,038,278
-74% -$57.9M 0.08% 254
2022
Q3 		$64.7M Sell
2,771,463
-3,736,167
-57% -$105M 0.26% 111
2022
Q2 		$175M Sell
6,507,630
-801,845
-11% -$26.9M 0.65% 44
2022
Q1 		$255M Buy
7,309,475
+845,127
+13% +$34.7M 0.76% 34
2021
Q4 		$265M Buy
6,464,348
+430,160
+7% +$18.7M 0.71% 38
2021
Q3 		$266M Buy
6,034,188
+399,805
+7% +$17.3M 0.75% 33
2021
Q2 		$244M Buy
5,634,383
+704,435
+14% +$31.8M 0.77% 38
2021
Q1 		$227M Buy
4,929,948
+4,876,653
+9,150% +$210M 0.73% 43
2020
Q4 		$2.35M Sell
53,295
-2,475
-4% -$97.1K 0.01% 346
2020
Q3 		$1.82M Hold
55,770
– – 0.01% 338
2020
Q2 		$1.48M Buy
+55,770
New +$1.41M 0.01% 332
2017
Q4 		– Sell
-2,792,313
Closed -$118M – 451
2017
Q3 		$118M Sell
2,792,313
-1,650
-0.1% -$74.5K 0.42% 78
2017
Q2 		$120M Sell
2,793,963
-244,915
-8% -$9.71M 0.44% 70
2017
Q1 		$101M Buy
3,038,878
+167,180
+6% +$5.54M 0.38% 84
2016
Q4 		$95.6M Sell
2,871,698
-100,957
-3% -$3.18M 0.38% 82
2016
Q3 		$89.2M Sell
2,972,655
-347,893
-10% -$10.1M 0.34% 95
2016
Q2 		$92.4M Buy
3,320,548
+798,368
+32% +$25.9M 0.37% 92
2016
Q1 		$86.6M Buy
2,522,180
+40,157
+2% +$1.32M 0.34% 100
2015
Q4 		$85.8M Buy
2,482,023
+223,260
+10% +$7.29M 0.35% 102
2015
Q3 		$72.6M Buy
+2,258,763
New +$69.8M 0.15% 209

Other funds holding RYAAY

Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
HL
Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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

William Blair Investment Management increased its Ryanair (RYAAY) stake by 726% in Q1 2026, buying an estimated $24.4M and bringing the position to 420,246 shares worth $24.3M. The position accounts for 0.08% of the portfolio, ranked #230.

William Blair Investment Management first reported a position in RYAAY in Q3 2015 and has held it in 28 quarters since. The position peaked at $266M in Q3 2021. 432 funds tracked by Wall St. Rank hold RYAAY as of Q1 2026.

  • William Blair Investment Management held 420,246 shares of Ryanair worth $24.3M as of Q1 2026.
  • William Blair Investment Management bought 369,378 Ryanair shares in Q1 2026, an estimated $24.4M.
  • Ryanair made up 0.08% of William Blair Investment Management's portfolio in Q1 2026, its #230 holding.
  • William Blair Investment Management first reported a position in Ryanair in Q3 2015 and has held it in 28 quarters since.
  • William Blair Investment Management's Ryanair position peaked at $266M in Q3 2021.
  • 432 funds tracked by Wall St. Rank held Ryanair as of Q1 2026.

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