$0.64
+0.03 (+5.38%)
Market Cap
$50.9M
Shares Outstanding
62,804,305
Institutional Holders
47
Total Inst. Value
$16.8M
% of Float Held
—
QoQ Holder Change
+3
Institutional data as of Q1 2025
New Positions
8
Closed Positions
10
Increased
17
Decreased
8
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | AVENIR CORP | $5.0M | 5,044,918 |
| 2 | Skylands Capital, LLC | $3.0M | 3,002,702 |
| 3 | VANGUARD GROUP INC | $1.9M | 1,949,551 |
| 4 | Neuberger Berman Group LLC | $1.7M | 1,679,628 |
| 5 | CM Management, LLC | $954K | 954,076 |
| 6 | Sargent Investment Group, LLC | $823K | 823,500 |
| 7 | BlackRock, Inc. | $627K | 627,305 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $613K | 613,855 |
| 9 | Granahan Investment Management, LLC | $358K | 358,418 |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $225K | 225,254 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| AVENIR CORP | +2.0M | $5.0M |
| Skylands Capital, LLC | +221K | $3.0M |
| CM Management, LLC | +254K | $954K |
| GEODE CAPITAL MANAGEMENT, LLC | +140K | $613K |
| RENAISSANCE TECHNOLOGIES LLC | +137K | $225K |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Granahan Investment Management, LLC | -846K | $358K |
| Sargent Investment Group, LLC | -425K | $823K |
| UBS Group AG | -30K | $115K |
| Neuberger Berman Group LLC | -2K | $1.7M |
| MORGAN STANLEY | -918 | $105K |
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Frequently Asked Questions
How many institutional investors hold CTSO?
As of Q1 2025, 47 institutional investors report holding CTSO (Cytosorbents Corporation) in their 13F filings.
Which hedge fund owns the most CTSO?
The largest institutional holder of CTSO is AVENIR CORP with $5.0M in shares.
Are institutions buying or selling CTSO?
This quarter, 8 institutions opened new positions in CTSO and 10 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.