Harbor Investment Advisory’s PTC Therapeutics PTCT Stock Holding History

Harbor Investment Advisory’s Portfolio PTCT Stock Details PTCT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$80.5K	Buy	+987	New	+$71.3K	0.01%	620
2023 Q3	–	Sell	-1,418	Closed	-$57.7K	–	1305
2023 Q2	$57.7K	Buy	1,418 +190	+15%	+$9.3K	0.01%	672
2023 Q1	$59.5K	Buy	1,228 +148	+14%	+$6.76K	0.01%	658
2022 Q4	$41.2K	Hold	1,080	–	–	0.01%	736
2022 Q3	$54K	Hold	1,080	–	–	0.01%	667
2022 Q2	$43K	Hold	1,080	–	–	0.01%	743
2022 Q1	$40K	Hold	1,080	–	–	0.01%	803
2021 Q4	$43K	Hold	1,080	–	–	0.01%	782
2021 Q3	$40K	Hold	1,080	–	–	0.01%	797
2021 Q2	$46K	Hold	1,080	–	–	0.01%	728
2021 Q1	$51K	Buy	1,080 +150	+16%	+$8.91K	0.01%	681
2020 Q4	$57K	Buy	930 +371	+66%	+$21.9K	0.01%	598
2020 Q3	$26K	Buy	559 +310	+124%	+$15.3K	0.01%	670
2020 Q2	$13K	Hold	249	–	–	﹤0.01%	735
2020 Q1	$11K	Buy	+249	New	+$12.5K	﹤0.01%	725

Other funds holding PTCT

Burney Company Reston, Virginia $3.71B AUM 37.66% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

QCM

QRG Capital Management Chicago, Illinois $12.1B AUM 44.98% 1-Year Est. Return

YCM

Yousif Capital Management Bloomfield Hills, Michigan $8.94B AUM 42.6% 1-Year Est. Return

COPPSERS

Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return

EWM

Empirical Wealth Management Seattle, Washington $6.85B AUM 30.02% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

FCBT

First Citizens Bank & Trust Raleigh, North Carolina $6.69B AUM 24.48% 1-Year Est. Return

JWS

Juncture Wealth Strategies Scottsdale, Arizona $384M AUM 27.62% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Harbor Investment Advisory's PTCT Position: Q2 2026 in Review

Harbor Investment Advisory opened a new position in PTC Therapeutics (PTCT) in Q2 2026: 987 shares worth $80.5K. The stake represents 0.01% of the portfolio and ranks #620 among its holdings. This is a return to the name: Harbor Investment Advisory previously reported a position in PTCT as recently as Q2 2023.

Harbor Investment Advisory first reported a position in PTCT in Q1 2020 and has held it in 15 quarters since. 32 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

Harbor Investment Advisory held 987 shares of PTC Therapeutics worth $80.5K as of Q2 2026.
PTC Therapeutics was a new Harbor Investment Advisory position in Q2 2026.
PTC Therapeutics made up 0.01% of Harbor Investment Advisory's portfolio in Q2 2026, its #620 holding.
Harbor Investment Advisory first reported a position in PTC Therapeutics in Q1 2020 and has held it in 15 quarters since.
32 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on Harbor Investment Advisory's 13F filing for Q2 2026, filed 7 Jul 2026.