ACELYRIN, Inc. - Common Stock (SLRN)

Historical Holders from Q2 2023 to Q3 2025

Symbol
SLRN
Type / Class
Equity / Common Stock
Shares outstanding
99,789,412
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
0
Holdings value
$0
Number of holders
0
Number of sells
2
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ACELYRIN, Inc. - Common Stock (SLRN) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Madison Avenue Partners, LP 5.1% $12,468,687 5,089,260 Madison Avenue Partners, LP 29 Apr 2025
INTEGRATED CORE STRATEGIES (US) LLC 4.7% $11,550,285 4,714,402 Integrated Core Strategies (US) LLC 31 Dec 2024
T. Rowe Price Investment Management, Inc. 4.6% -63% $11,395,024 -$20,141,680 4,651,030 -64% T. Rowe Price Investment Management, Inc. 28 Feb 2025
CITADEL ADVISORS LLC 4.2% $10,335,933 4,218,748 Kenneth Griffin 31 Dec 2024
As of 30 Sep 2025 ACELYRIN, Inc. - Common Stock (SLRN) has 0 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 0 shares of 99,789,412 outstanding shares and own 0% of the company stock as of 30 Sep 2025.

Institutional Holders of ACELYRIN, Inc. - Common Stock (SLRN) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q3 0 $0 -$704 0
2025 Q2 285 $704 -$182,689,505 $2.40 2
2025 Q1 73,967,745 $182,702,710 -$43,110,284 $2.47 106
2024 Q4 87,976,058 $276,403,640 -$879,364 $3.14 123
2024 Q3 87,244,575 $430,198,271 -$8,690,665 $4.93 122
2024 Q2 86,992,477 $383,635,062 -$24,832,640 $4.41 112
2024 Q1 90,862,849 $613,238,960 +$36,541,176 $6.75 109
2023 Q4 84,798,520 $632,598,011 +$2,496,700 $7.46 109
2023 Q3 83,820,150 $847,008,971 +$3,718,312 $10.17 102
2023 Q2 77,168,075 $1,602,817,890 +$1,407,721,928 $20.90 82