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Rossby Financial’s Jazz Pharmaceuticals JAZZ Stock Holding History

Rossby Financial’s Portfolio JAZZ Stock Details JAZZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$15.8K Buy
84
+24
+40% +$4.19K ﹤0.01% 1087
2025
Q4 		$10.2K Buy
60
+5
+9% +$767 ﹤0.01% 921
2025
Q3 		$7.53K Sell
55
-1,105
-95% -$133K ﹤0.01% 913
2025
Q2 		$123K Buy
1,160
+17
+1% +$1.85K 0.05% 333
2025
Q1 		$127K Buy
+1,143
New +$149K 0.05% 306

Other funds holding JAZZ

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Rossby Financial's JAZZ Position: Q1 2026 in Review

Rossby Financial increased its Jazz Pharmaceuticals (JAZZ) stake by 40% in Q1 2026, buying an estimated $4.19K and bringing the position to 84 shares worth $15.8K. The position accounts for ﹤0.01% of the portfolio, ranked #1087.

Rossby Financial first reported a position in JAZZ in Q1 2025 and has held it in 5 quarters since. The position peaked at $127K in Q1 2025. 570 funds tracked by Wall St. Rank hold JAZZ as of Q1 2026.

  • Rossby Financial held 84 shares of Jazz Pharmaceuticals worth $15.8K as of Q1 2026.
  • Rossby Financial bought 24 Jazz Pharmaceuticals shares in Q1 2026, an estimated $4.19K.
  • Jazz Pharmaceuticals made up ﹤0.01% of Rossby Financial's portfolio in Q1 2026, its #1087 holding.
  • Rossby Financial first reported a position in Jazz Pharmaceuticals in Q1 2025 and has held it in 5 quarters since.
  • Rossby Financial's Jazz Pharmaceuticals position peaked at $127K in Q1 2025.
  • 570 funds tracked by Wall St. Rank held Jazz Pharmaceuticals as of Q1 2026.

Based on Rossby Financial's 13F filing for Q1 2026, filed 11 May 2026.