Massachusetts Financial Services
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Massachusetts Financial Services’s Jazz Pharmaceuticals JAZZ Stock Holding History

Massachusetts Financial Services’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 		$1.17M Sell
6,170
-2,395
-28% -$419K ﹤0.01% 837
2025
Q4 		$1.46M Sell
8,565
-284
-3% -$43.5K ﹤0.01% 811
2025
Q3 		$1.17M Buy
8,849
+582
+7% +$69.8K ﹤0.01% 796
2025
Q2 		$877K Buy
+8,267
New +$898K ﹤0.01% 823
2014
Q2 		– Sell
-96,630
Closed -$13.4M – 902
2014
Q1 		$13.4M Buy
+96,630
New +$14.5M 0.01% 558

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

Massachusetts Financial Services's JAZZ Position: Q1 2026 in Review

Massachusetts Financial Services reduced its Jazz Pharmaceuticals (JAZZ) stake by 28% in Q1 2026, selling an estimated $419K and leaving 6,170 shares worth $1.17M. The position accounts for ﹤0.01% of the portfolio, ranked #837.

Massachusetts Financial Services first reported a position in JAZZ in Q1 2014 and has held it in 5 quarters since. The position peaked at $13.4M in Q1 2014. 570 funds tracked by Wall St. Rank hold JAZZ as of Q1 2026.

  • Massachusetts Financial Services held 6,170 shares of Jazz Pharmaceuticals worth $1.17M as of Q1 2026.
  • Massachusetts Financial Services sold 2,395 Jazz Pharmaceuticals shares in Q1 2026, an estimated $419K.
  • Jazz Pharmaceuticals made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q1 2026, its #837 holding.
  • Massachusetts Financial Services first reported a position in Jazz Pharmaceuticals in Q1 2014 and has held it in 5 quarters since.
  • Massachusetts Financial Services's Jazz Pharmaceuticals position peaked at $13.4M in Q1 2014.
  • 570 funds tracked by Wall St. Rank held Jazz Pharmaceuticals as of Q1 2026.

Based on Massachusetts Financial Services's 13F filing for Q1 2026, filed 14 May 2026.