Wellington Management Group
RARE icon

Wellington Management Group’s Ultragenyx Pharmaceutical RARE Stock Holding History

Wellington Management Group’s Portfolio RARE Stock Details RARE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$55.3M Buy
2,640,812
+178,902
+7% +$4.03M 0.01% 706
2025
Q4 		$56.6M Buy
2,461,910
+516,781
+27% +$17M 0.01% 696
2025
Q3 		$58.5M Buy
1,945,129
+73,309
+4% +$2.2M 0.01% 683
2025
Q2 		$68.1M Sell
1,871,820
-577,678
-24% -$20.8M 0.01% 619
2025
Q1 		$88.7M Sell
2,449,498
-8,045
-0.3% -$335K 0.02% 540
2024
Q4 		$103M Sell
2,457,543
-1,707,881
-41% -$84.7M 0.02% 524
2024
Q3 		$231M Sell
4,165,424
-390,743
-9% -$19.9M 0.04% 361
2024
Q2 		$187M Buy
4,556,167
+458,192
+11% +$19.6M 0.03% 398
2024
Q1 		$191M Sell
4,097,975
-317,054
-7% -$15M 0.03% 399
2023
Q4 		$211M Sell
4,415,029
-780,851
-15% -$30.3M 0.04% 381
2023
Q3 		$185M Buy
5,195,880
+18,359
+0.4% +$727K 0.04% 386
2023
Q2 		$239M Buy
5,177,521
+76,374
+1% +$3.54M 0.05% 354
2023
Q1 		$205M Sell
5,101,147
-101,537
-2% -$4.36M 0.04% 389
2022
Q4 		$241M Sell
5,202,684
-843,354
-14% -$33.2M 0.05% 348
2022
Q3 		$250M Buy
6,046,038
+1,631,598
+37% +$83.8M 0.05% 314
2022
Q2 		$263M Buy
4,414,440
+1,044,195
+31% +$64.3M 0.05% 306
2022
Q1 		$245M Buy
3,370,245
+492,842
+17% +$34.3M 0.04% 366
2021
Q4 		$242M Buy
2,877,403
+369,128
+15% +$30M 0.04% 390
2021
Q3 		$226M Buy
2,508,275
+2,108,704
+528% +$191M 0.04% 415
2021
Q2 		$38.1M Sell
399,571
-239,691
-37% -$25M 0.01% 910
2021
Q1 		$72.8M Sell
639,262
-27,925
-4% -$3.8M 0.01% 702
2020
Q4 		$92.4M Sell
667,187
-86,437
-11% -$10.3M 0.02% 610
2020
Q3 		$61.9M Buy
753,624
+140,038
+23% +$11.6M 0.01% 642
2020
Q2 		$48M Sell
613,586
-222,971
-27% -$14.8M 0.01% 710
2020
Q1 		$37.2M Sell
836,557
-447,553
-35% -$23.2M 0.01% 717
2019
Q4 		$54.8M Sell
1,284,110
-1,975,852
-61% -$81.5M 0.01% 731
2019
Q3 		$139M Sell
3,259,962
-3,220,277
-50% -$175M 0.03% 459
2019
Q2 		$411M Buy
6,480,239
+98,369
+2% +$6.26M 0.09% 228
2019
Q1 		$443M Buy
6,381,870
+385,788
+6% +$22M 0.1% 214
2018
Q4 		$261M Buy
5,996,082
+721,174
+14% +$39.4M 0.07% 279
2018
Q3 		$403M Sell
5,274,908
-815,235
-13% -$66.3M 0.08% 246
2018
Q2 		$468M Sell
6,090,143
-171,063
-3% -$11M 0.1% 210
2018
Q1 		$319M Buy
6,261,206
+402,086
+7% +$20.2M 0.07% 279
2017
Q4 		$272M Buy
5,859,120
+871,955
+17% +$42.8M 0.06% 306
2017
Q3 		$266M Sell
4,987,165
-259,976
-5% -$15.4M 0.06% 291
2017
Q2 		$326M Buy
5,247,141
+666,197
+15% +$40.1M 0.08% 248
2017
Q1 		$310M Sell
4,580,944
-674,247
-13% -$51.4M 0.07% 251
2016
Q4 		$369M Buy
5,255,191
+1,122,268
+27% +$79.6M 0.09% 213
2016
Q3 		$293M Sell
4,132,923
-55,261
-1% -$3.53M 0.07% 254
2016
Q2 		$205M Buy
4,188,184
+55,754
+1% +$3.61M 0.05% 308
2016
Q1 		$262M Buy
4,132,430
+1,835,196
+80% +$120M 0.07% 257
2015
Q4 		$258M Buy
2,297,234
+420,588
+22% +$42.1M 0.07% 262
2015
Q3 		$181M Buy
1,876,646
+203,866
+12% +$23.3M 0.05% 319
2015
Q2 		$171M Buy
1,672,780
+97,936
+6% +$7.6M 0.04% 353
2015
Q1 		$97.8M Buy
1,574,844
+207,458
+15% +$11.5M 0.03% 513
2014
Q4 		$60M Buy
1,367,386
+291,658
+27% +$13.4M 0.02% 674
2014
Q3 		$60.9M Buy
1,075,728
+451,149
+72% +$22.7M 0.02% 650
2014
Q2 		$28M Sell
624,579
-7,840
-1% -$323K 0.01% 918
2014
Q1 		$30.9M Buy
+632,419
New +$32.6M 0.01% 893

Other funds holding RARE

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
SI
Sofinnova Investments Menlo Park, California $2.63B AUM 117.41% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Wellington Management Group's RARE Position: Q1 2026 in Review

Wellington Management Group increased its Ultragenyx Pharmaceutical (RARE) stake by 7.3% in Q1 2026, buying an estimated $4.03M and bringing the position to 2,640,812 shares worth $55.3M. The position accounts for 0.01% of the portfolio, ranked #706.

Wellington Management Group first reported a position in RARE in Q1 2014 and has held it in 49 quarters since. The position peaked at $468M in Q2 2018. 295 funds tracked by Wall St. Rank hold RARE as of Q1 2026.

  • Wellington Management Group held 2,640,812 shares of Ultragenyx Pharmaceutical worth $55.3M as of Q1 2026.
  • Wellington Management Group bought 178,902 Ultragenyx Pharmaceutical shares in Q1 2026, an estimated $4.03M.
  • Ultragenyx Pharmaceutical made up 0.01% of Wellington Management Group's portfolio in Q1 2026, its #706 holding.
  • Wellington Management Group first reported a position in Ultragenyx Pharmaceutical in Q1 2014 and has held it in 49 quarters since.
  • Wellington Management Group's Ultragenyx Pharmaceutical position peaked at $468M in Q2 2018.
  • 295 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.