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Ghisallo Capital Management’s Ultragenyx Pharmaceutical RARE Stock Holding History

Ghisallo 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
Q2 		$5.01M Buy
+150,000
New +$3.73M 0.1% 151
2024
Q1 		– Sell
-10,000
Closed -$478K – 165
2023
Q4 		$478K Buy
+10,000
New +$388K 0.05% 108

Other funds holding RARE

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Ghisallo Capital Management's RARE Position: Q2 2026 in Review

Ghisallo Capital Management opened a new position in Ultragenyx Pharmaceutical (RARE) in Q2 2026: 150,000 shares worth $5.01M. The stake represents 0.1% of the portfolio and ranks #151 among its holdings. This is a return to the name: Ghisallo Capital Management previously reported a position in RARE as recently as Q4 2023.

Ghisallo Capital Management first reported a position in RARE in Q4 2023 and has held it in 2 quarters since. 311 funds tracked by Wall St. Rank hold RARE as of Q2 2026.

  • Ghisallo Capital Management held 150,000 shares of Ultragenyx Pharmaceutical worth $5.01M as of Q2 2026.
  • Ultragenyx Pharmaceutical was a new Ghisallo Capital Management position in Q2 2026.
  • Ultragenyx Pharmaceutical made up 0.1% of Ghisallo Capital Management's portfolio in Q2 2026, its #151 holding.
  • Ghisallo Capital Management first reported a position in Ultragenyx Pharmaceutical in Q4 2023 and has held it in 2 quarters since.
  • 311 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q2 2026.

Based on Ghisallo Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.