Guggenheim Capital’s Protolabs PRLB Stock Holding History

Guggenheim Capital’s Portfolio PRLB Stock Details PRLB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$458K	Buy	+5,617	New	+$395K	﹤0.01%	1322
2026 Q1	–	Sell	-9,826	Closed	-$497K	–	1756
2025 Q4	$497K	Buy	+9,826	New	+$503K	﹤0.01%	1280
2021 Q2	–	Sell	-2,252	Closed	-$274K	–	2223
2021 Q1	$274K	Sell	2,252 -1,561	-41%	-$260K	﹤0.01%	1991
2020 Q4	$585K	Buy	+3,813	New	+$538K	﹤0.01%	1569
2019 Q1	–	Sell	-2,141	Closed	-$241K	–	2208
2018 Q4	$241K	Sell	2,141 -4,838	-69%	-$597K	﹤0.01%	1994
2018 Q3	$1.13M	Buy	6,979 +1,311	+23%	+$185K	0.01%	1556
2018 Q2	$674K	Sell	5,668 -20,040	-78%	-$2.45M	﹤0.01%	1784
2018 Q1	$3.02M	Sell	25,708 -23	-0.1%	-$2.6K	0.01%	1350
2017 Q4	$2.65M	Buy	+25,731	New	+$2.31M	0.01%	1455
2016 Q4	–	Sell	-16,110	Closed	-$965K	–	2958
2016 Q3	$965K	Sell	16,110 -1,692	-10%	-$97.4K	﹤0.01%	2104
2016 Q2	$1.02M	Sell	17,802 -458	-3%	-$30.6K	﹤0.01%	2048
2016 Q1	$1.41M	Sell	18,260 -1,697	-9%	-$110K	﹤0.01%	1820
2015 Q4	$1.27M	Sell	19,957 -4,532	-19%	-$292K	﹤0.01%	1958
2015 Q3	$1.64M	Buy	+24,489	New	+$1.74M	0.01%	1741

Other funds holding PRLB

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

DGI

Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

ACM

American Capital Management New York $2.23B AUM 28.03% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Prudential Financial Newark, New Jersey $91.8B AUM 38.24% 1-Year Est. Return

Guggenheim Capital's PRLB Position: Q2 2026 in Review

Guggenheim Capital opened a new position in Protolabs (PRLB) in Q2 2026: 5,617 shares worth $458K. The stake represents ﹤0.01% of the portfolio and ranks #1322 among its holdings. This is a return to the name: Guggenheim Capital previously reported a position in PRLB as recently as Q4 2025.

Guggenheim Capital first reported a position in PRLB in Q3 2015 and has held it in 14 quarters since. The position peaked at $3.02M in Q1 2018. 277 funds tracked by Wall St. Rank hold PRLB as of Q2 2026.

Guggenheim Capital held 5,617 shares of Protolabs worth $458K as of Q2 2026.
Protolabs was a new Guggenheim Capital position in Q2 2026.
Protolabs made up ﹤0.01% of Guggenheim Capital's portfolio in Q2 2026, its #1322 holding.
Guggenheim Capital first reported a position in Protolabs in Q3 2015 and has held it in 14 quarters since.
Guggenheim Capital's Protolabs position peaked at $3.02M in Q1 2018.
277 funds tracked by Wall St. Rank held Protolabs as of Q2 2026.

Based on Guggenheim Capital's 13F filing for Q2 2026, filed 12 Aug 2026.