Dark Forest Capital Management’s Jazz Pharmaceuticals JAZZ Stock Holding History

Dark Forest Capital 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	$1.22M	Buy	6,472 +4,537	+234%	+$793K	0.11%	307
2025 Q4	$329K	Sell	1,935 -9,605	-83%	-$1.47M	0.02%	870
2025 Q3	$1.52M	Sell	11,540 -13,933	-55%	-$1.67M	0.06%	575
2025 Q2	$2.7M	Buy	+25,473	New	+$2.77M	0.11%	312
2023 Q1	–	Sell	-51	Closed	-$8.13K	–	1328
2022 Q4	$8.13K	Sell	51 -50	-50%	-$7.33K	﹤0.01%	785
2022 Q3	$13K	Buy	101 +82	+432%	+$12.5K	﹤0.01%	695
2022 Q2	$3K	Sell	19 -35	-65%	-$5.39K	﹤0.01%	692
2022 Q1	$8K	Buy	+54	New	+$7.84K	﹤0.01%	1036
2021 Q4	–	Sell	-171	Closed	-$22K	–	1602
2021 Q3	$22K	Buy	+171	New	+$25.8K	0.01%	787

Other funds holding JAZZ

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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 Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Dark Forest Capital Management's JAZZ Position: Q1 2026 in Review

Dark Forest Capital Management increased its Jazz Pharmaceuticals (JAZZ) stake by 234% in Q1 2026, buying an estimated $793K and bringing the position to 6,472 shares worth $1.22M. The position accounts for 0.11% of the portfolio, ranked #307.

Dark Forest Capital Management first reported a position in JAZZ in Q3 2021 and has held it in 9 quarters since. The position peaked at $2.7M in Q2 2025. 570 funds tracked by Wall St. Rank hold JAZZ as of Q1 2026.

Dark Forest Capital Management held 6,472 shares of Jazz Pharmaceuticals worth $1.22M as of Q1 2026.
Dark Forest Capital Management bought 4,537 Jazz Pharmaceuticals shares in Q1 2026, an estimated $793K.
Jazz Pharmaceuticals made up 0.11% of Dark Forest Capital Management's portfolio in Q1 2026, its #307 holding.
Dark Forest Capital Management first reported a position in Jazz Pharmaceuticals in Q3 2021 and has held it in 9 quarters since.
Dark Forest Capital Management's Jazz Pharmaceuticals position peaked at $2.7M in Q2 2025.
570 funds tracked by Wall St. Rank held Jazz Pharmaceuticals as of Q1 2026.

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