Mairs & Power Inc’s Plug Power PLUG Stock Holding History

Mairs & Power Inc’s Portfolio PLUG Stock Details PLUG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$27.1K	Hold	10,000	–	–	﹤0.01%	254
2026 Q1	$22.6K	Hold	10,000	–	–	﹤0.01%	245
2025 Q4	$19.7K	Hold	10,000	–	–	﹤0.01%	243
2025 Q3	$23.3K	Hold	10,000	–	–	﹤0.01%	248
2025 Q2	$14.9K	Hold	10,000	–	–	﹤0.01%	235
2025 Q1	$13.5K	Hold	10,000	–	–	﹤0.01%	221
2024 Q4	$21.3K	Hold	10,000	–	–	﹤0.01%	229
2024 Q3	$22.6K	Hold	10,000	–	–	﹤0.01%	228
2024 Q2	$23.3K	Hold	10,000	–	–	﹤0.01%	222
2024 Q1	$34.4K	Buy	+10,000	New	+$37.2K	﹤0.01%	226
2023 Q4	–	Sell	-10,000	Closed	-$76K	–	232
2023 Q3	$76K	Hold	10,000	–	–	﹤0.01%	214
2023 Q2	$104K	Hold	10,000	–	–	﹤0.01%	226
2023 Q1	$117K	Hold	10,000	–	–	﹤0.01%	234
2022 Q4	$124K	Hold	10,000	–	–	﹤0.01%	221
2022 Q3	$210K	Hold	10,000	–	–	﹤0.01%	208
2022 Q2	$166K	Hold	10,000	–	–	﹤0.01%	199
2022 Q1	$286K	Hold	10,000	–	–	﹤0.01%	185
2021 Q4	$282K	Hold	10,000	–	–	﹤0.01%	186
2021 Q3	$255K	Hold	10,000	–	–	﹤0.01%	186
2021 Q2	$342K	Hold	10,000	–	–	﹤0.01%	176
2021 Q1	$358K	Sell	10,000 -10,000	-50%	-$516K	﹤0.01%	180
2020 Q4	$678K	Sell	20,000 -875	-4%	-$19.8K	0.01%	155
2020 Q3	$280K	Sell	20,875 -9,125	-30%	-$101K	﹤0.01%	180
2020 Q2	$246K	Hold	30,000	–	–	﹤0.01%	188
2020 Q1	$106K	Hold	30,000	–	–	﹤0.01%	196
2019 Q4	$95K	Hold	30,000	–	–	﹤0.01%	217
2019 Q3	$79K	Hold	30,000	–	–	﹤0.01%	208
2019 Q2	$68K	Buy	+30,000	New	+$74.5K	﹤0.01%	214

Other funds holding PLUG

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

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

Mairs & Power Inc's PLUG Position: Q2 2026 in Review

Mairs & Power Inc held its Plug Power (PLUG) position steady in Q2 2026 at 10,000 shares worth $27.1K. The position accounts for ﹤0.01% of the portfolio, ranked #254.

Mairs & Power Inc first reported a position in PLUG in Q2 2019 and has held it in 28 quarters since. The position peaked at $678K in Q4 2020. 508 funds tracked by Wall St. Rank hold PLUG as of Q2 2026.

Mairs & Power Inc held 10,000 shares of Plug Power worth $27.1K as of Q2 2026.
Mairs & Power Inc left its Plug Power share count unchanged in Q2 2026.
Plug Power made up ﹤0.01% of Mairs & Power Inc's portfolio in Q2 2026, its #254 holding.
Mairs & Power Inc first reported a position in Plug Power in Q2 2019 and has held it in 28 quarters since.
Mairs & Power Inc's Plug Power position peaked at $678K in Q4 2020.
508 funds tracked by Wall St. Rank held Plug Power as of Q2 2026.

Based on Mairs & Power Inc's 13F filing for Q2 2026, filed 14 Aug 2026.