$SLDP

$2.02 +$0.03 (1.51%) Close

$SLDP Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 228.2M shares outstanding

Who owns SLDP?

By type of holder

Institutions 35.1% Insiders 6.2% Everyone else 58.7%

Concentration Top 10 holders own 29.6%

BlackRock, Inc. 7.5% · BMW Holding B.V. 4.6%

Institutional ownership

35.1%

-5.9 pts vs last qtr

Institutional holders

189

-4 vs last qtr

Net shares bought

−13.4M

by institutions in Q2 2026

New / sold out

35 / 39

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +3.4M
State Street Corp +1.5M

Biggest sellers in Q2 2026

Heights Capital Management, Inc SOLD OUT −12.4M
Goldman Sachs Group Inc −3.0M

Who is planning to sell?

Notices of proposed sale, last 12 months

$104K

1 notice from 1 person

Shares covered

39.2K

0.02% of the company

Arranged in advance

100%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Roe Lesa B Director 10b5-1 $104K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Solid Power, Inc..

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years86% 1–3 years2% Under 1 year12%

Quarterly turnover

21.8%

of institutional shares changed hands

Top 10 managers, median time held

4.3 years

Super Investors

Investment managers reporting SLDP on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	17.1M	7.50%	+3.4M (+24.6%)	2022	0.0%
Shares held by quarter Peak holding17.1M (Q2'26) Change over 8 quarters+6.2M Share of the company7.500% BlackRock, Inc.'s full portfolio →
HC Heights Capital Management, Inc	—	—	SOLD OUT	—	—
Shares held by quarter Peak holding12.4M (Q1'26) Change over 8 quarters0 Heights Capital Management, Inc's full portfolio →

BlackRock, Inc.

17.1M

% of company

7.50%

Change vs last qtr

+3.4M (+24.6%)

Held since

2022

Heights Capital Management, Inc

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

28 more super investors behind a free account

See every manager holding Solid Power, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting SLDP on Form N-PORT; together they hold 16.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$15.6M	6.0M	2.65%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$13.5M	5.2M	2.28%	0.02%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$15.6M

% of company

2.65%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$13.5M

% of company

2.28%

% of the fund

0.02%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Solid Power, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
BH BMW Holding B.V. 5%+ holder 13D · 4.7%	10.5M	4.60%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company4.600% Disclosed stake13D · 4.7% View the 13D/G filing →
DM David M. Leuschen 5%+ holder 13D · 3.6%	6.7M	2.94%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company2.940% Disclosed stake13D · 3.6% View the 13D/G filing →

BMW Holding B.V.

5%+ holder13D · 4.7%

10.5M

% of company

4.60%

Change vs last qtr

—

Held since

—

David M. Leuschen

5%+ holder13D · 3.6%

6.7M

% of company

2.94%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Solid Power, Inc..

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