$3.71
+0.10 (+2.91%)
Market Cap
$301.5M
Shares Outstanding
82,825,600
Institutional Holders
221
Total Inst. Value
$429.2M
% of Float Held
92.4%
QoQ Holder Change
+85
Institutional data as of Q1 2025
New Positions
50
Closed Positions
48
Increased
80
Decreased
66
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | KIM, LLC | $78.5M | 12,280,426 |
| 2 | BlackRock, Inc. | $31.7M | 4,960,172 |
| 3 | OAKTOP CAPITAL MANAGEMENT II, L.P. | $28.1M | 4,394,525 |
| 4 | VANGUARD GROUP INC | $27.9M | 4,373,159 |
| 5 | GEORGE KAISER FAMILY FOUNDATION | $20.2M | 3,167,322 |
| 6 | NEEDHAM INVESTMENT MANAGEMENT LLC | $17.5M | 2,737,200 |
| 7 | DIMENSIONAL FUND ADVISORS LP | $16.0M | 2,507,584 |
| 8 | AWM Investment Company, Inc. | $15.7M | 2,449,221 |
| 9 | Telemark Asset Management, LLC | $12.1M | 1,892,424 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $9.7M | 1,515,775 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| OAKTOP CAPITAL MANAGEMENT II, L.P. | +654K | $28.1M |
| VANGUARD GROUP INC | +13K | $27.9M |
| NEEDHAM INVESTMENT MANAGEMENT LLC | +348K | $17.5M |
| DIMENSIONAL FUND ADVISORS LP | +489K | $16.0M |
| AWM Investment Company, Inc. | +1.2M | $15.7M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Cubist Systematic Strategies, LLC | -1.2M | $922K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | -450K | $884K |
| Qube Research & Technologies Ltd | -355K | $2.7M |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | -309K | $785K |
| ROYCE & ASSOCIATES LP | -240K | $4.5M |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold ASPN?
As of Q1 2025, 221 institutional investors report holding ASPN (Aspen Aerogels, Inc.) in their 13F filings.
What percentage of Aspen Aerogels, Inc. is owned by institutions?
Institutional investors hold approximately 92.4% of Aspen Aerogels, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most ASPN?
The largest institutional holder of ASPN is KIM, LLC with $78.5M in shares.
Are institutions buying or selling ASPN?
This quarter, 50 institutions opened new positions in ASPN and 48 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.