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Catalio Capital Management’s Ultragenyx Pharmaceutical RARE Stock Holding History

Catalio Capital 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 		$17.8M Buy
850,797
+688,247
+423% +$15.5M 3.72% 11
2025
Q4 		$3.74M Sell
162,550
-128,712
-44% -$4.23M 0.66% 33
2025
Q3 		$8.76M Buy
291,262
+77,860
+36% +$2.33M 1.62% 23
2025
Q2 		$7.76M Buy
+213,402
New +$7.69M 1.63% 19

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

Catalio Capital Management's RARE Position: Q1 2026 in Review

Catalio Capital Management increased its Ultragenyx Pharmaceutical (RARE) stake by 423% in Q1 2026, buying an estimated $15.5M and bringing the position to 850,797 shares worth $17.8M. The position accounts for 3.72% of the portfolio, ranked #11.

Catalio Capital Management first reported a position in RARE in Q2 2025 and has held it in 4 quarters since. 295 funds tracked by Wall St. Rank hold RARE as of Q1 2026.

  • Catalio Capital Management held 850,797 shares of Ultragenyx Pharmaceutical worth $17.8M as of Q1 2026.
  • Catalio Capital Management bought 688,247 Ultragenyx Pharmaceutical shares in Q1 2026, an estimated $15.5M.
  • Ultragenyx Pharmaceutical made up 3.72% of Catalio Capital Management's portfolio in Q1 2026, its #11 holding.
  • Catalio Capital Management first reported a position in Ultragenyx Pharmaceutical in Q2 2025 and has held it in 4 quarters since.
  • 295 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q1 2026.

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