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Essex Investment Management’s Jazz Pharmaceuticals JAZZ Stock Holding History

Essex Investment Management’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 		$4.12M Sell
21,778
-1,417
-6% -$248K 0.65% 51
2025
Q4 		$3.94M Buy
23,195
+2,732
+13% +$419K 0.6% 61
2025
Q3 		$2.7M Buy
+20,463
New +$2.45M 0.41% 99
2018
Q3 		– Sell
-19,995
Closed -$3.44M – 420
2018
Q2 		$3.44M Buy
+19,995
New +$3.27M 0.43% 65
2016
Q3 		– Sell
-6,167
Closed -$871K – 345
2016
Q2 		$871K Sell
6,167
-952
-13% -$140K 0.15% 166
2016
Q1 		$929K Buy
7,119
+927
+15% +$115K 0.16% 147
2015
Q4 		$870K Buy
6,192
+23
+0.4% +$3.19K 0.14% 166
2015
Q3 		$819K Sell
6,169
-426
-6% -$73.3K 0.13% 163
2015
Q2 		$1.16M Buy
6,595
+239
+4% +$42.9K 0.18% 140
2015
Q1 		$1.1M Buy
6,356
+3,283
+107% +$563K 0.15% 143
2014
Q4 		$503K Hold
3,073
– – 0.07% 221
2014
Q3 		$493K Sell
3,073
-500
-14% -$76.9K 0.08% 227
2014
Q2 		$525K Buy
3,573
+500
+16% +$69.3K 0.08% 241
2014
Q1 		$426K Sell
3,073
-1,042
-25% -$157K 0.06% 261
2013
Q4 		$521K Sell
4,115
-794
-16% -$82.2K 0.07% 266
2013
Q3 		$451K Sell
4,909
-26
-0.5% -$2.1K 0.07% 265
2013
Q2 		$339K Buy
+4,935
New +$302K 0.06% 258

Other funds holding JAZZ

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 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 $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Essex Investment Management's JAZZ Position: Q1 2026 in Review

Essex Investment Management reduced its Jazz Pharmaceuticals (JAZZ) stake by 6.1% in Q1 2026, selling an estimated $248K and leaving 21,778 shares worth $4.12M. The position accounts for 0.65% of the portfolio, ranked #51.

Essex Investment Management first reported a position in JAZZ in Q2 2013 and has held it in 17 quarters since. 573 funds tracked by Wall St. Rank hold JAZZ as of Q1 2026.

  • Essex Investment Management held 21,778 shares of Jazz Pharmaceuticals worth $4.12M as of Q1 2026.
  • Essex Investment Management sold 1,417 Jazz Pharmaceuticals shares in Q1 2026, an estimated $248K.
  • Jazz Pharmaceuticals made up 0.65% of Essex Investment Management's portfolio in Q1 2026, its #51 holding.
  • Essex Investment Management first reported a position in Jazz Pharmaceuticals in Q2 2013 and has held it in 17 quarters since.
  • 573 funds tracked by Wall St. Rank held Jazz Pharmaceuticals as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.