Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s United Therapeutics UTHR Stock Holding History

Robeco Institutional Asset Management’s Portfolio UTHR Stock Details UTHR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$75.8M Buy
127,902
+14,052
+12% +$7M 0.11% 206
2025
Q4 		$55.5M Buy
113,850
+22,751
+25% +$10.6M 0.08% 234
2025
Q3 		$38.2M Sell
91,099
-143,540
-61% -$48.3M 0.06% 266
2025
Q2 		$67.4M Buy
234,639
+8,352
+4% +$2.5M 0.11% 193
2025
Q1 		$69.8M Buy
226,287
+34,362
+18% +$11.8M 0.14% 155
2024
Q4 		$67.7M Sell
191,925
-4,094
-2% -$1.5M 0.13% 159
2024
Q3 		$70.2M Buy
196,019
+6,839
+4% +$2.31M 0.14% 153
2024
Q2 		$60.3M Buy
189,180
+9,114
+5% +$2.41M 0.13% 153
2024
Q1 		$41.4M Buy
180,066
+94,993
+112% +$21.4M 0.09% 216
2023
Q4 		$18.7M Sell
85,073
-1,975
-2% -$455K 0.05% 337
2023
Q3 		$19.7M Buy
87,048
+48,397
+125% +$11.1M 0.05% 321
2023
Q2 		$8.53M Sell
38,651
-39,449
-51% -$8.74M 0.02% 465
2023
Q1 		$17.5M Buy
78,100
+70,101
+876% +$17.3M 0.05% 340
2022
Q4 		$2.22M Buy
7,999
+6,352
+386% +$1.6M 0.01% 685
2022
Q3 		$345K Sell
1,647
-963
-37% -$215K ﹤0.01% 792
2022
Q2 		$615K Sell
2,610
-14,716
-85% -$2.99M ﹤0.01% 745
2022
Q1 		$3.11M Sell
17,326
-280,001
-94% -$53.3M 0.01% 603
2021
Q4 		$64.2M Sell
297,327
-64,546
-18% -$12.7M 0.14% 168
2021
Q3 		$66.8M Sell
361,873
-15,118
-4% -$2.98M 0.15% 161
2021
Q2 		$67.6M Sell
376,991
-56,698
-13% -$10.8M 0.15% 155
2021
Q1 		$72.5M Sell
433,689
-52,546
-11% -$8.76M 0.18% 142
2020
Q4 		$73.8M Sell
486,235
-26,830
-5% -$3.52M 0.19% 131
2020
Q3 		$51.8M Sell
513,065
-11,192
-2% -$1.23M 0.16% 150
2020
Q2 		$63.4M Buy
524,257
+509,645
+3,488% +$57.3M 0.22% 119
2020
Q1 		$1.39M Buy
+14,612
New +$1.39M 0.01% 727
2019
Q4 		– Sell
-6,055
Closed -$483K – 1002
2019
Q3 		$483K Sell
6,055
-26,253
-81% -$2.11M ﹤0.01% 840
2019
Q2 		$2.52M Sell
32,308
-369,851
-92% -$34.6M 0.01% 672
2019
Q1 		$47.2M Buy
402,159
+83,037
+26% +$9.68M 0.17% 170
2018
Q4 		$34.5M Sell
319,122
-6,195
-2% -$718K 0.15% 189
2018
Q3 		$41.6M Buy
325,317
+65,049
+25% +$8.05M 0.16% 169
2018
Q2 		$29.4M Buy
260,268
+7,837
+3% +$861K 0.13% 195
2018
Q1 		$28.4M Buy
252,431
+60,244
+31% +$7.65M 0.13% 204
2017
Q4 		$28.4M Buy
192,187
+33,819
+21% +$4.3M 0.15% 180
2017
Q3 		$18.6M Buy
158,368
+28,625
+22% +$3.66M 0.12% 207
2017
Q2 		$16.8M Buy
129,743
+23,239
+22% +$2.9M 0.11% 222
2017
Q1 		$14.4M Buy
106,504
+57,148
+116% +$8.66M 0.1% 239
2016
Q4 		$7.08M Buy
49,356
+24,426
+98% +$3.12M 0.06% 317
2016
Q3 		$2.94M Buy
24,930
+2,785
+13% +$335K 0.02% 463
2016
Q2 		$2.35M Buy
22,145
+1,492
+7% +$166K 0.02% 495
2016
Q1 		$2.3M Buy
20,653
+9,107
+79% +$1.15M 0.02% 478
2015
Q4 		$1.81M Buy
11,546
+9,637
+505% +$1.4M 0.02% 506
2015
Q3 		$251K Hold
1,909
– – ﹤0.01% 724
2015
Q2 		$332K Buy
+1,909
New +$343K ﹤0.01% 715

Other funds holding UTHR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Robeco Institutional Asset Management's UTHR Position: Q1 2026 in Review

Robeco Institutional Asset Management increased its United Therapeutics (UTHR) stake by 12% in Q1 2026, buying an estimated $7M and bringing the position to 127,902 shares worth $75.8M. The position accounts for 0.11% of the portfolio, ranked #206.

Robeco Institutional Asset Management first reported a position in UTHR in Q2 2015 and has held it in 43 quarters since. 850 funds tracked by Wall St. Rank hold UTHR as of Q1 2026.

  • Robeco Institutional Asset Management held 127,902 shares of United Therapeutics worth $75.8M as of Q1 2026.
  • Robeco Institutional Asset Management bought 14,052 United Therapeutics shares in Q1 2026, an estimated $7M.
  • United Therapeutics made up 0.11% of Robeco Institutional Asset Management's portfolio in Q1 2026, its #206 holding.
  • Robeco Institutional Asset Management first reported a position in United Therapeutics in Q2 2015 and has held it in 43 quarters since.
  • 850 funds tracked by Wall St. Rank held United Therapeutics as of Q1 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q1 2026, filed 21 Apr 2026.