SLSSELLAS Life Sciences Group, Inc.

$11.66+615% 1Y

Who owns SLS

191 institutions reported holding SLS for 2026Q2, together 43% of the company, more than the 160 a quarter earlier.

191

Institutions reporting a position · as of 2026Q2 · up from 160 the quarter before

Shares held by institutions
73.7M

Shares held by institutions · 43% of the company · long US equity positions only, as reported on Form 13F

Reported value
$1.08B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
29%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
34
New positions
59
Positions exited
31
Added to
74
Reduced
25
Top 10 holdersof the company
34%
Shares sold shortsettled Sep 15, 2026
59.1M
Short interestof shares outstanding
34%
Days to coverat the average daily volume
8.6
Change in the short positionsince the Aug 31, 2026 count
+2.0%
Institutional ownership by quarter, 2018Q1 to 2026Q2
QuarterFilersSharesReported value
2026Q219173.7M$1.08B
2026Q116054.0M$228M
2025Q411135.4M$134M
2025Q39332.9M$53M
2025Q27826.8M$59M
2025Q14514.3M$15M
2024Q4316.2M$6.5M
2024Q3335.4M$6.8M
2024Q2304.1M$4.9M
2024Q1307.7M$7.8M
2023Q4313.5M$3.7M
2023Q3282.8M$4.5M
2023Q2253.1M$4.9M
2023Q1223.0M$4.3M
2022Q4291.9M$4.5M
2022Q3282.2M$4.4M
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.15.1M8.7%$222M
STATE STREET CORP13.0M7.5%$192M
VANGUARD GROUP INC12.0M7.0%$177M
GEODE CAPITAL MANAGEMENT LLC4.9M2.8%$72M
Frigate Ventures LP4.5M2.6%$66M
JONES FINANCIAL COMPANIES LLLP2.3M1.3%$29M
SUSQUEHANNA INTERNATIONAL GROUP, LLP2.1M1.2%$30M
NORTHERN TRUST CORP1.6M0.94%$24M
UBS Group AG1.3M0.73%$18M
MORGAN STANLEY1.2M0.72%$18M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202659.1M34%8.6
Aug 31, 202657.9M34%6.9
Aug 14, 202656.4M33%10.4
Jul 31, 202655.0M32%7.9
Jul 15, 202655.3M32%5.9
Jun 30, 202663.3M37%4.8
Jun 15, 202663.4M37%9.3
May 29, 202661.0M35%4.4
May 15, 202657.1M33%7.1
Apr 30, 202657.1M33%11.7
Apr 15, 202656.6M33%13.6
Mar 31, 202653.5M31%6.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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