Stocktoria
ASPEN AEROGELS INC ASPN
NYSE · stock · Wholesale-Lumber & Other Construction Materials · website · IPO 2014-06-13
ASPEN AEROGELS INC institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 4,492,396 | $107.1M | 5.43% |
| MILLENNIUM MANAGEMENT LLC | 1,404,675 | $4.8M | 1.7% |
| D. E. Shaw & Co., Inc. | 833,572 | $2.9M | 1.01% |
| CITADEL ADVISORS LLC | 810,187 | $2.8M | 0.98% |
| AQR CAPITAL MANAGEMENT LLC | 526,119 | $1.8M | 0.64% |
| TWO SIGMA INVESTMENTS, LP | 441,436 | $1.5M | 0.53% |
| Point72 Asset Management, L.P. | 256,614 | $877,620 | 0.31% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.