MSLE · Satellos Bioscience Inc. · Holdings

$9.75 -0.30 (-2.99%) At close · Sep 11

Market Cap

$206.86M

21.22M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 26

Total Value: $59,746,913

Total Shares: 7,684,492

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 26 13F filers · Δ vs Mar 31, 2026

Top Holder

12.2%

−0.1 pts

Top 5

51.8%

+1.3 pts

Top 10

80.5%

+1.7 pts

HHI

765

Broadly held+6

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -5

Institutional value: +39.7%

Shares held: +1.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small Stonepine Capital Management, LLC	+391,624	491,624
Small SPHERA FUNDS MANAGEMENT LTD.	+163,383	652,590
Mega CITADEL ADVISORS LLC	+25,246	67,738
Mid China Universal Asset Management Co., Ltd.	+13,600	20,000
Mega MORGAN STANLEY	+4,549	25,732

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large ADAGE CAPITAL PARTNERS GP, L.L.C.	−230,354	150,000
Mega MILLENNIUM MANAGEMENT LLC	−145,665	152,768
Micro Empery Asset Management, LP	−123,000	107,100
Mid Soleus Capital Management, L.P.	−100,000	314,359
Large Point72 Asset Management, L.P.	−8,078	682,700

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)	Open
Mid AWM Investment Company, Inc.	180,000	$1,399,500
Mega JPMORGAN CHASE & CO	315	$2,449

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large HRT FINANCIAL LP	30,461	$171,495
Mega JANE STREET GROUP, LLC	19,608	$110,392
Micro Monashee Investment Management LLC	12,000	$67,560
Small Propel Bio Management, LLC	10,145	$57,116
Small AXQ CAPITAL, LP	10,096	$56,840

Filter: New 2 Increased 6 Reduced 6 Sold out 7 Unchanged 12

Showing 26 of 26

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

FRANKLIN RESOURCES INC

$7,298,128

12.22%

938,666

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	938,666	$7,298,128	100.0%	Defined

Siren, L.L.C.

$6,935,875

11.61%

892,074

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invus Group, LLC	892,074	$6,935,875	100.0%	Defined

Vivo Capital, LLC

$6,326,253

10.59%

813,666

Point72 Asset Management, L.P.

$5,307,992

8.88%

682,700

SPHERA FUNDS MANAGEMENT LTD.

$5,073,887

8.49%

652,590

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Sphera Global Healthcare Management LP joint	652,590	$5,073,887	100.0%	Defined

Woodline Partners LP

$3,890,858

6.51%

500,432

Stonepine Capital Management, LLC

$3,822,376

6.40%

491,624

SUVRETTA CAPITAL MANAGEMENT, LLC

$3,693,125

6.18%

475,000

Avidity Partners Management LP

$3,014,903

5.05%

387,769

Saturn V Capital Management LP

$2,721,250

4.55%

350,000

Soleus Capital Management, L.P.

$2,444,141

4.09%

314,359

683 Capital Management, LLC

$1,794,726

3.00%

230,833

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
683 Capital Partners, LP	230,833	$1,794,726	100.0%	Defined

ADAR1 Capital Management, LLC

$1,730,365

2.90%

222,555

AWM Investment Company, Inc.

$1,399,500

2.34%

180,000

MILLENNIUM MANAGEMENT LLC

$1,187,771

1.99%

152,768

ADAGE CAPITAL PARTNERS GP, L.L.C.

$1,166,250

1.95%

150,000

Empery Asset Management, LP

$832,702

1.39%

107,100

CITADEL ADVISORS LLC

$526,662

0.88%

67,738

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	67,738	$526,662	100.0%	Defined

MORGAN STANLEY

$200,065

0.33%

25,732

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	349	$2,713	1.4%	Defined
Morgan Stanley Canada LTD	25,383	$197,352	98.6%	Defined

China Universal Asset Management Co., Ltd.

$155,500

0.26%

20,000

ROYAL BANK OF CANADA

$123,334

0.21%

15,863

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	200	$1,555	1.3%	Defined
RBC Dominion Securities Inc.	15,663	$121,779	98.7%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$92,576

0.15%

11,907

UBS Group AG

$6,071

0.01%

781

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	1	$7	0.1%	Defined
UBS Securities LLC	780	$6,064	99.9%	Defined

JPMORGAN CHASE & CO

$2,449

0.00%

315

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	315	$2,449	100.0%	Defined

Federation des caisses Desjardins du Quebec

$147

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	19	$147	100.0%	Defined

Caitong International Asset Management Co., Ltd

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	13,458	$75,768	68.6%	Defined
Jane Street Global Trading, LLC	6,150	$34,624	31.4%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	2,115	$11,907	100.0%	Defined

Key facts CIK 1421642 CUSIP 80401L803 13F (30d) 20 filings 20 filers Visit website Investor relations