William Blair & Company
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William Blair & Company’s RTX Corp RTX Stock Holding History

William Blair & Company’s Portfolio RTX Stock Details RTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$74.2M Buy
384,627
+7,825
+2% +$1.56M 0.21% 105
2025
Q4 		$69.1M Buy
376,802
+9,483
+3% +$1.65M 0.19% 122
2025
Q3 		$61.5M Buy
367,319
+6,496
+2% +$1.01M 0.16% 129
2025
Q2 		$52.7M Buy
360,823
+9,211
+3% +$1.23M 0.15% 136
2025
Q1 		$46.6M Sell
351,612
-3,040
-0.9% -$385K 0.14% 142
2024
Q4 		$41M Sell
354,652
-197
-0.1% -$23.8K 0.12% 156
2024
Q3 		$43M Sell
354,849
-2,493
-0.7% -$284K 0.13% 137
2024
Q2 		$35.9M Buy
357,342
+145,324
+69% +$15M 0.11% 151
2024
Q1 		$20.7M Sell
212,018
-23,991
-10% -$2.17M 0.06% 208
2023
Q4 		$19.9M Sell
236,009
-5,947
-2% -$471K 0.07% 205
2023
Q3 		$17.4M Sell
241,956
-82,416
-25% -$7.06M 0.07% 214
2023
Q2 		$31.8M Buy
324,372
+11,814
+4% +$1.16M 0.12% 155
2023
Q1 		$30.6M Buy
312,558
+12,978
+4% +$1.28M 0.12% 152
2022
Q4 		$30.2M Buy
299,580
+10,936
+4% +$1.03M 0.13% 146
2022
Q3 		$23.6M Buy
288,644
+26,733
+10% +$2.42M 0.11% 172
2022
Q2 		$25.2M Sell
261,911
-2,990
-1% -$287K 0.11% 165
2022
Q1 		$26.2M Sell
264,901
-3,703
-1% -$351K 0.09% 191
2021
Q4 		$23.1M Buy
268,604
+24,683
+10% +$2.15M 0.07% 219
2021
Q3 		$21M Sell
243,921
-622
-0.3% -$53.2K 0.07% 219
2021
Q2 		$20.9M Sell
244,543
-6,940
-3% -$584K 0.07% 221
2021
Q1 		$19.4M Sell
251,483
-6,509
-3% -$475K 0.07% 224
2020
Q4 		$18.4M Buy
257,992
+2,744
+1% +$180K 0.07% 222
2020
Q3 		$14.7M Sell
255,248
-64,518
-20% -$3.93M 0.06% 223
2020
Q2 		$19.7M Buy
+319,766
New +$20M 0.09% 182
2020
Q1 		– Sell
-267,723
Closed -$25.2M – 1748
2019
Q4 		$25.2M Buy
267,723
+20,753
+8% +$1.88M 0.13% 162
2019
Q3 		$21.2M Buy
246,970
+72,034
+41% +$5.98M 0.12% 169
2019
Q2 		$14.3M Buy
174,936
+34,815
+25% +$2.91M 0.08% 213
2019
Q1 		$11.4M Buy
140,121
+8,876
+7% +$674K 0.07% 240
2018
Q4 		$8.79M Buy
131,245
+9,385
+8% +$736K 0.06% 251
2018
Q3 		$10.7M Buy
121,860
+492
+0.4% +$41.3K 0.07% 244
2018
Q2 		$9.55M Sell
121,368
-17,066
-12% -$1.34M 0.07% 251
2018
Q1 		$11M Sell
138,434
-21,249
-13% -$1.75M 0.08% 226
2017
Q4 		$12.8M Sell
159,683
-688
-0.4% -$52.2K 0.09% 220
2017
Q3 		$11.7M Buy
160,371
+2,591
+2% +$192K 0.09% 217
2017
Q2 		$12.1M Buy
157,780
+18,634
+13% +$1.4M 0.09% 217
2017
Q1 		$9.85M Buy
139,146
+2,939
+2% +$206K 0.08% 228
2016
Q4 		$9.4M Buy
136,207
+5,149
+4% +$341K 0.08% 220
2016
Q3 		$8.38M Buy
131,058
+1,237
+1% +$82K 0.07% 234
2016
Q2 		$8.38M Buy
129,821
+3,909
+3% +$250K 0.08% 221
2016
Q1 		$7.93M Buy
125,912
+9,758
+8% +$566K 0.07% 222
2015
Q4 		$7.02M Sell
116,154
-2,123
-2% -$128K 0.07% 243
2015
Q3 		$6.62M Buy
118,277
+198
+0.2% +$12.2K 0.06% 276
2015
Q2 		$8.24M Sell
118,079
-4,133
-3% -$303K 0.01% 941
2015
Q1 		$9.01M Sell
122,212
-2,229
-2% -$166K 0.01% 874
2014
Q4 		$9.01M Sell
124,441
-6,869
-5% -$468K 0.01% 883
2014
Q3 		$8.73M Sell
131,310
-323,694
-71% -$22.2M 0.01% 884
2014
Q2 		$33.1M Buy
455,004
+62,475
+16% +$4.6M 0.05% 418
2014
Q1 		$28.9M Buy
392,529
+287,862
+275% +$20.7M 0.05% 448
2013
Q4 		$7.5M Sell
104,667
-8,115
-7% -$553K 0.01% 850
2013
Q3 		$7.65M Sell
112,782
-5,668
-5% -$371K 0.01% 812
2013
Q2 		$6.93M Buy
+118,450
New +$7M 0.01% 819

Other funds holding RTX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

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

William Blair & Company increased its RTX Corp (RTX) stake by 2.1% in Q1 2026, buying an estimated $1.56M and bringing the position to 384,627 shares worth $74.2M. The position accounts for 0.21% of the portfolio, ranked #105.

William Blair & Company first reported a position in RTX in Q2 2013 and has held it in 51 quarters since. 3,450 funds tracked by Wall St. Rank hold RTX as of Q1 2026.

  • William Blair & Company held 384,627 shares of RTX Corp worth $74.2M as of Q1 2026.
  • William Blair & Company bought 7,825 RTX Corp shares in Q1 2026, an estimated $1.56M.
  • RTX Corp made up 0.21% of William Blair & Company's portfolio in Q1 2026, its #105 holding.
  • William Blair & Company first reported a position in RTX Corp in Q2 2013 and has held it in 51 quarters since.
  • 3,450 funds tracked by Wall St. Rank held RTX Corp as of Q1 2026.

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