Sphera Funds Management’s ProQR Therapeutics PRQR Stock Holding History

Sphera Funds Management’s Portfolio PRQR Stock Details PRQR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$3.27M	Buy	+1,757,458	New	+$2.89M	0.43%	76
2020 Q2	–	Sell	-346,148	Closed	-$1.9M	–	104
2020 Q1	$1.9M	Sell	346,148 -458,852	-57%	-$3.52M	0.24%	55
2019 Q4	$7.98M	Sell	805,000 -110,000	-12%	-$857K	0.66%	29
2019 Q3	$5.27M	Buy	915,000 +445,000	+95%	+$3.55M	0.81%	39
2019 Q2	$4.28M	Buy	470,000 +280,000	+147%	+$3.3M	0.59%	53
2019 Q1	$2.63M	Sell	190,000 -150,000	-44%	-$2.24M	0.24%	81
2018 Q4	$5.37M	Sell	340,000 -58,749	-15%	-$1.08M	0.6%	40
2018 Q3	$7.72M	Sell	398,749 -95,000	-19%	-$1.01M	0.89%	26
2018 Q2	$3.6M	Sell	493,749 -164,751	-25%	-$831K	0.5%	63
2018 Q1	$2.02M	Buy	658,500 +128,500	+24%	+$413K	0.31%	76
2017 Q4	$1.71M	Hold	530,000	–	–	0.2%	104
2017 Q3	$2.57M	Buy	530,000 +200,000	+61%	+$1.04M	0.37%	73
2017 Q2	$1.72M	Hold	330,000	–	–	0.29%	89
2017 Q1	$1.65M	Buy	330,000 +130,000	+65%	+$572K	0.32%	79
2016 Q4	$980K	Buy	+200,000	New	+$1.03M	0.25%	83
2016 Q1	–	Sell	-150,000	Closed	-$1.3M	–	113
2015 Q4	$1.3M	Buy	+150,000	New	+$1.73M	0.19%	103
2015 Q1	–	Sell	-130,000	Closed	-$2.82M	–	163
2014 Q4	$2.82M	Sell	130,000 -70,000	-35%	-$1.06M	0.48%	73
2014 Q3	$3.44M	Buy	+200,000	New	+$3.2M	0.42%	55

Other funds holding PRQR

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

Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

AAA

Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return

PFM

Privium Fund Management Amsterdam, Netherlands $544M AUM 72.49% 1-Year Est. Return

Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

HCM

Heights Capital Management San Francisco, California $433M AUM 8.59% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

KCM

Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return

DCM

DAFNA Capital Management Los Angeles, California $524M AUM 164.42% 1-Year Est. Return

Sphera Funds Management's PRQR Position: Q2 2026 in Review

Sphera Funds Management opened a new position in ProQR Therapeutics (PRQR) in Q2 2026: 1,757,458 shares worth $3.27M. The stake represents 0.43% of the portfolio and ranks #76 among its holdings. This is a return to the name: Sphera Funds Management previously reported a position in PRQR as recently as Q1 2020.

Sphera Funds Management first reported a position in PRQR in Q3 2014 and has held it in 18 quarters since. The position peaked at $7.98M in Q4 2019. 70 funds tracked by Wall St. Rank hold PRQR as of Q2 2026.

Sphera Funds Management held 1,757,458 shares of ProQR Therapeutics worth $3.27M as of Q2 2026.
ProQR Therapeutics was a new Sphera Funds Management position in Q2 2026.
ProQR Therapeutics made up 0.43% of Sphera Funds Management's portfolio in Q2 2026, its #76 holding.
Sphera Funds Management first reported a position in ProQR Therapeutics in Q3 2014 and has held it in 18 quarters since.
Sphera Funds Management's ProQR Therapeutics position peaked at $7.98M in Q4 2019.
70 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q2 2026.

Based on Sphera Funds Management's 13F filing for Q2 2026, filed 14 Aug 2026.