Water Island Capital’s Aura Biosciences AURA Stock Holding History

Water Island Capital’s Portfolio AURA Stock Details AURA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$426K	Buy	+60,000	New	+$429K	0.04%	80
2025 Q4	–	Sell	-10,372	Closed	-$64.1K	–	93
2025 Q3	$64.1K	Buy	+10,372	New	+$67.8K	0.01%	83
2023 Q4	–	Sell	-22,650	Closed	-$203K	–	60
2023 Q3	$203K	Buy	22,650 +2,900	+15%	+$31.2K	0.02%	73
2023 Q2	$244K	Sell	19,750 -3,916	-17%	-$41.9K	0.02%	67
2023 Q1	$220K	Buy	23,666 +166	+0.7%	+$1.72K	0.02%	69
2022 Q4	$247K	Buy	23,500 +12,800	+120%	+$163K	0.02%	75
2022 Q3	$194K	Sell	10,700 -3,841	-26%	-$58.1K	0.01%	81
2022 Q2	$206K	Buy	+14,541	New	+$241K	0.01%	77

Other funds holding AURA

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

SCM

Suvretta Capital Management New York $5.47B AUM 131.34% 1-Year Est. Return

FLSM

Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return

LFCM

Long Focus Capital Management San Juan, Puerto Rico $3.91B AUM 12.68% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Caligan Partners New York $2.13B AUM 758.65% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

FIS

FCPM III Services Naarden, Netherlands $750M AUM 127.27% 1-Year Est. Return

OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return

Water Island Capital's AURA Position: Q2 2026 in Review

Water Island Capital opened a new position in Aura Biosciences (AURA) in Q2 2026: 60,000 shares worth $426K. The stake represents 0.04% of the portfolio and ranks #80 among its holdings. This is a return to the name: Water Island Capital previously reported a position in AURA as recently as Q3 2025.

Water Island Capital first reported a position in AURA in Q2 2022 and has held it in 8 quarters since. 146 funds tracked by Wall St. Rank hold AURA as of Q2 2026.

Water Island Capital held 60,000 shares of Aura Biosciences worth $426K as of Q2 2026.
Aura Biosciences was a new Water Island Capital position in Q2 2026.
Aura Biosciences made up 0.04% of Water Island Capital's portfolio in Q2 2026, its #80 holding.
Water Island Capital first reported a position in Aura Biosciences in Q2 2022 and has held it in 8 quarters since.
146 funds tracked by Wall St. Rank held Aura Biosciences as of Q2 2026.

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