Innovative Solutions and Support, Inc. (ISSC) ownership: Top institutional holder: MARSHALL WACE, LLP ($15.47M). Insider activity: Net Seller (7 buys, 13 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| MARSHALL WACE, LLP | 753377.00 | $15.47M | 2026-03-31 |
| VANGUARD GROUP INC | 696748.00 | $13.20M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 625775.00 | $12.85M | 2026-03-31 |
| MORGAN STANLEY | 603247.00 | $12.38M | 2026-03-31 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 518618.00 | $10.65M | 2026-03-31 |
| D. E. Shaw & Co., Inc. | 435900.00 | $8.95M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 368267.00 | $7.56M | 2026-03-31 |
| Driehaus Capital Management LLC | 348103.00 | $7.15M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-20 | |
| Buy | null | 2026-05-18 | |
| Buy | null | 2026-05-18 | |
| Sell | null | 2026-04-16 | |
| Sell | null | 2026-04-16 | |
| Sell | null | 2026-04-16 | |
| Sell | null | 2026-04-16 | |
| Sell | null | 2026-04-16 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.