State of Wisconsin Investment Board’s Solid Power SLDP Stock Holding History

State of Wisconsin Investment Board’s Portfolio SLDP Stock Details SLDP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$268K	Sell	89,250 -58,523	-40%	-$236K	﹤0.01%	2255
2025 Q4	$628K	Sell	147,773 -19,551	-12%	-$108K	﹤0.01%	1846
2025 Q3	$581K	Buy	+167,324	New	+$631K	﹤0.01%	1809
2023 Q4	–	Sell	-78,653	Closed	-$159K	–	2550
2023 Q3	$159K	Buy	78,653 +3,325	+4%	+$7.87K	﹤0.01%	2300
2023 Q2	$191K	Sell	75,328 -4,166	-5%	-$9.61K	﹤0.01%	2160
2023 Q1	$239K	Sell	79,494 -8,569	-10%	-$25.9K	﹤0.01%	2191
2022 Q4	$224K	Sell	88,063 -6,200	-7%	-$26.5K	﹤0.01%	2212
2022 Q3	$496K	Sell	94,263 -5,726	-6%	-$36.2K	﹤0.01%	1986
2022 Q2	$538K	Buy	+99,989	New	+$781K	﹤0.01%	2043

Other funds holding SLDP

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

HCM

Heights Capital Management San Francisco, California $359M AUM 7.93% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Riverstone Holdings New York $36.9M AUM 80.85% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

State of Wisconsin Investment Board's SLDP Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its Solid Power (SLDP) stake by 40% in Q1 2026, selling an estimated $236K and leaving 89,250 shares worth $268K. The position accounts for ﹤0.01% of the portfolio, ranked #2255.

State of Wisconsin Investment Board first reported a position in SLDP in Q2 2022 and has held it in 9 quarters since. The position peaked at $628K in Q4 2025. 192 funds tracked by Wall St. Rank hold SLDP as of Q1 2026.

State of Wisconsin Investment Board held 89,250 shares of Solid Power worth $268K as of Q1 2026.
State of Wisconsin Investment Board sold 58,523 Solid Power shares in Q1 2026, an estimated $236K.
Solid Power made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2255 holding.
State of Wisconsin Investment Board first reported a position in Solid Power in Q2 2022 and has held it in 9 quarters since.
State of Wisconsin Investment Board's Solid Power position peaked at $628K in Q4 2025.
192 funds tracked by Wall St. Rank held Solid Power as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.