CM
RARE icon

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 		$6.08M Sell
290,000
-114,700
-28% -$2.58M 0.04% 476
2025
Q4 		$9.31M Buy
404,700
+254,900
+170% +$8.38M 0.06% 350
2025
Q3 		$4.51M Sell
149,800
-343,700
-70% -$10.3M 0.04% 527
2025
Q2 		$17.9M Buy
493,500
+196,500
+66% +$7.08M 0.2% 102
2025
Q1 		$10.8M Buy
297,000
+94,500
+47% +$3.93M 0.1% 189
2024
Q4 		$8.52M Buy
202,500
+172,500
+575% +$8.56M 0.08% 234
2024
Q3 		$1.67M Buy
+30,000
New +$1.53M 0.03% 628
2024
Q2 		– Sell
-23,600
Closed -$1.1M – 1442
2024
Q1 		$1.1M Sell
23,600
-6,400
-21% -$302K 0.02% 705
2023
Q4 		$1.43M Buy
30,000
+7,500
+33% +$291K 0.02% 710
2023
Q3 		$802K Sell
22,500
-67,500
-75% -$2.67M 0.01% 830
2023
Q2 		$4.15M Buy
90,000
+60,000
+200% +$2.78M 0.07% 324
2023
Q1 		$1.2M Buy
30,000
+10,000
+50% +$429K 0.02% 591
2022
Q4 		$927K Sell
20,000
-62,400
-76% -$2.45M 0.01% 770
2022
Q3 		$3.41M Sell
82,400
-80,200
-49% -$4.12M 0.05% 472
2022
Q2 		$9.7M Buy
162,600
+129,100
+385% +$7.94M 0.13% 196
2022
Q1 		$2.43M Buy
+33,500
New +$2.33M 0.03% 684
2021
Q2 		– Sell
-25,000
Closed -$2.85M – 1522
2021
Q1 		$2.85M Buy
+25,000
New +$3.4M 0.06% 413
2020
Q4 		– Sell
-27,000
Closed -$2.22M – 1202
2020
Q3 		$2.22M Sell
27,000
-29,500
-52% -$2.45M 0.05% 399
2020
Q2 		$4.42M Buy
+56,500
New +$3.74M 0.15% 191

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.