# VICOR CORP COM

VICOR CORP COM is a security (CUSIP 925815102) tracked across SEC portfolio filings. 440 institutional managers reported $3.3B on Form 13F as of 2026-06-30; 41 registered fund positions totaling $363.8M via N-PORT as of 2026-06-30.

## Summary

- Issuer: VICOR CORP
- Class: COM
- CUSIP: 925815102
- Asset category: EC
- 13F holders: 440
- 13F value: $3.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 41
- N-PORT value: $363.8M
- N-PORT report: 2026-06-30

## Top institutional holders (Form 13F)

_Showing 15 of 440 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $464.4M | 2,884,375 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $299.6M | 2,106,726 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $277.8M | 2,534,534 |
| STATE STREET CORP | BOSTON, MA | $130.7M | 811,617 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Toronto, A6 | $97.1M | 603,364 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $97.0M | 602,661 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $86.3M | 536,274 |
| [NEEDHAM INVESTMENT MANAGEMENT LLC](https://search.stillhousedata.com/firm/106783) | NEW YORK, NY | $84.0M | 522,000 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $79.4M | 493,670 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $76.5M | 327,715 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $64.8M | 60,060 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $62.8M | 389,767 |
| [COLRAIN CAPITAL LLC](https://search.stillhousedata.com/firm/118098) | Boston, MA | $57.1M | 150,277 |
| Bank of New York Mellon Corp | NEW YORK, NY | $53.2M | 139,978 |
| PINNACLE ASSOCIATES LTD | NEW YORK, NY | $49.6M | 130,492 |

## Top fund holders (N-PORT)

_Showing 15 of 41 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $110.3M | 45.54% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $60.9M | 47.66% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $40.8M | 5.00% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $39.6M | 22.57% |
| [BRUCE FUND](https://search.stillhousedata.com/fund/S000011411) | Bruce Fund, Inc. | $20.9M | 578.17% |
| [T. Rowe Price Science & Technology Fund, Inc.](https://search.stillhousedata.com/fund/S000002119) | T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC. | $20.5M | 19.06% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $16.1M | 7.41% |
| [Needham Growth Fund](https://search.stillhousedata.com/fund/S000003649) | Needham Funds Inc | $8.7M | 468.04% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $6.1M | 12.60% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $5.4M | 21.38% |
| [T. Rowe Price Communications & Technology Fund](https://search.stillhousedata.com/fund/S000002101) | T. ROWE PRICE COMMUNICATIONS & TECHNOLOGY FUND, INC. | $4.1M | 5.12% |
| [T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002073) | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $3.8M | 8.81% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $3.5M | 19.32% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $2.8M | 2.54% |
| [BNY Mellon Midcap Index Fund, Inc.](https://search.stillhousedata.com/fund/S000000078) | BNY MELLON MIDCAP INDEX FUND, INC. | $2.5M | 17.74% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/925815102.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.