CM
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Caption Management’s Ultragenyx Pharmaceutical RARE Stock Holding History

Caption Management’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 		$7.12M Buy
340,000
+90,400
+36% +$2.04M 0.04% 425
2025
Q4 		$5.74M Sell
249,600
-287,900
-54% -$9.47M 0.04% 476
2025
Q3 		$16.2M Sell
537,500
-439,000
-45% -$13.2M 0.13% 176
2025
Q2 		$35.5M Buy
976,500
+946,500
+3,155% +$34.1M 0.39% 40
2025
Q1 		$1.09M Sell
30,000
-5,000
-14% -$208K 0.01% 884
2024
Q4 		$1.47M Buy
35,000
+5,000
+17% +$248K 0.01% 803
2024
Q3 		$1.67M Buy
+30,000
New +$1.53M 0.03% 627
2024
Q2 		– Sell
-23,600
Closed -$1.1M – 1441
2024
Q1 		$1.1M Sell
23,600
-6,400
-21% -$302K 0.02% 704
2023
Q4 		$1.43M Buy
30,000
+7,500
+33% +$291K 0.02% 709
2023
Q3 		$802K Sell
22,500
-67,500
-75% -$2.67M 0.01% 829
2023
Q2 		$4.15M Buy
90,000
+60,000
+200% +$2.78M 0.07% 323
2023
Q1 		$1.2M Buy
30,000
+10,000
+50% +$429K 0.02% 590
2022
Q4 		$927K Sell
20,000
-102,900
-84% -$4.05M 0.01% 769
2022
Q3 		$5.09M Sell
122,900
-40,000
-25% -$2.06M 0.07% 344
2022
Q2 		$9.72M Buy
162,900
+105,000
+181% +$6.46M 0.13% 195
2022
Q1 		$4.2M Buy
+57,900
New +$4.03M 0.05% 490
2021
Q2 		– Sell
-44,400
Closed -$5.05M – 1520
2021
Q1 		$5.05M Buy
44,400
+17,000
+62% +$2.31M 0.11% 242
2020
Q4 		$3.79M Buy
27,400
+400
+1% +$47.5K 0.09% 290
2020
Q3 		$2.22M Sell
27,000
-26,200
-49% -$2.17M 0.05% 398
2020
Q2 		$4.16M Buy
+53,200
New +$3.52M 0.14% 197
2019
Q2 		– Sell
-25,000
Closed -$1.73M – 795
2019
Q1 		$1.73M Buy
+25,000
New +$1.43M 0.1% 260

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return

Caption Management's RARE Position: Q1 2026 in Review

Caption Management reduced its Ultragenyx Pharmaceutical (RARE) stake by 50% in Q1 2026, selling an estimated $2.47M and leaving 110,000 shares worth $2.3M. The position accounts for 0.01% of the portfolio, ranked #786.

Caption Management first reported a position in RARE in Q1 2021 and has held it in 12 quarters since. The position peaked at $8.64M in Q2 2025. 295 funds tracked by Wall St. Rank hold RARE as of Q1 2026.

  • Caption Management held 110,000 shares of Ultragenyx Pharmaceutical worth $2.3M as of Q1 2026.
  • Caption Management sold 109,500 Ultragenyx Pharmaceutical shares in Q1 2026, an estimated $2.47M.
  • Ultragenyx Pharmaceutical made up 0.01% of Caption Management's portfolio in Q1 2026, its #786 holding.
  • Caption Management first reported a position in Ultragenyx Pharmaceutical in Q1 2021 and has held it in 12 quarters since.
  • Caption Management's Ultragenyx Pharmaceutical position peaked at $8.64M in Q2 2025.
  • 295 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q1 2026.

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