VICOR CORP (VICR) Top Institutional Shareholders
VICOR CORP (VICR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.67B in VICR holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of VICR tracked by InsiderSet, reporting ownership valued at approximately $464.38M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $937.91M, representing an estimated gain of +101.97% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 54% of the total disclosed VICR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in VICOR CORP (VICR).
This page ranks the largest institutional VICR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
361
Total Reported Value
$2.67B
Largest Holder
Blackrock, Inc.
Largest Position
$464.38M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
99
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 2,884,375 | $464,384,375 | $937,912,219 | +$473,527,844 | +101.97% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,162,134 | $187,103,574 | $377,891,113 | +$190,787,539 | +101.97% | |
| Vanguard Capital Management Llc | 0.00% | 1,034,740 | $166,593,140 | $336,466,406 | +$169,873,266 | +101.97% | |
| State Street Corp | 0.00% | 811,617 | $130,670,337 | $263,913,500 | +$133,243,163 | +101.97% | |
| Manufacturers Life Insurance Company, The | 0.08% | 603,364 | $97,141,604 | $196,195,872 | +$99,054,268 | +101.97% | |
| Geode Capital Management, Llc | 0.01% | 602,661 | $97,045,373 | $195,967,277 | +$98,921,904 | +101.93% | |
| Arrowstreet Capital, Limited Partnership | 0.05% | 536,274 | $86,340,114 | $174,380,217 | +$88,040,103 | +101.97% | |
| Needham Investment Management Llc | 4.30% | 522,000 | $84,042,000 | $169,738,740 | +$85,696,740 | +101.97% | |
| Dimensional Fund Advisors Lp | 0.02% | 493,670 | $79,435,335 | $160,526,674 | +$81,091,339 | +102.08% | |
| Goldman Sachs Group Inc | 0.01% | 389,767 | $62,752,508 | $126,740,535 | +$63,988,027 | +101.97% | |
| Jane Street Group, Llc | 0.06% | 327,715 | $52,762,115 | $106,563,087 | +$53,800,972 | +101.97% | |
| Morgan Stanley | 0.00% | 306,929 | $49,415,583 | $99,804,103 | +$50,388,520 | +101.97% | |
| Awm Investment Company, Inc. | 5.14% | 288,180 | $46,396,980 | $93,707,491 | +$47,310,511 | +101.97% | |
| Northern Trust Corp | 0.01% | 272,711 | $43,906,471 | $88,677,436 | +$44,770,965 | +101.97% | |
| Millennium Management Llc | 0.03% | 221,867 | $35,720,587 | $72,144,492 | +$36,423,905 | +101.97% | |
| Herald Investment Management Ltd | 4.93% | 220,000 | $35,393,600 | $71,537,400 | +$36,143,800 | +102.12% | |
| Colrain Capital Llc | 12.55% | 201,633 | $32,462,913 | $65,565,003 | +$33,102,090 | +101.97% | |
| Charles Schwab Investment Management Inc | 0.00% | 194,453 | $31,306,933 | $63,230,282 | +$31,923,349 | +101.97% | |
| Driehaus Capital Management Llc | 0.22% | 189,463 | $30,503,543 | $61,607,684 | +$31,104,141 | +101.97% | |
| Fmr Llc | 0.00% | 165,326 | $26,617,512 | $53,759,055 | +$27,141,543 | +101.97% | |
| First Trust Advisors Lp | 0.02% | 163,953 | $26,396,433 | $53,312,597 | +$26,916,164 | +101.97% | |
| Vanguard Fiduciary Trust Co | 0.01% | 158,380 | $25,499,180 | $51,500,425 | +$26,001,245 | +101.97% | |
| Arosa Capital Management Lp | 16.41% | 156,500 | $25,196,500 | $50,889,105 | +$25,692,605 | +101.97% | |
| Pinnacle Associates Ltd | 0.32% | 155,976 | $25,112,136 | $50,718,716 | +$25,606,580 | +101.97% | |
| Aqr Capital Management Llc | 0.01% | 148,309 | $23,877,749 | $48,225,638 | +$24,347,889 | +101.97% | |
| Bank Of New York Mellon Corp | 0.00% | 140,286 | $22,586,054 | $45,616,799 | +$23,030,745 | +101.97% | |
| Tudor Investment Corp Et Al | 0.12% | 137,316 | $22,107,876 | $44,651,044 | +$22,543,168 | +101.97% | |
| Invesco Ltd. | 0.00% | 126,466 | $20,361,026 | $41,122,949 | +$20,761,923 | +101.97% | |
| Silvercrest Asset Management Group Llc | 0.13% | 115,442 | $18,586,162 | $37,538,275 | +$18,952,113 | +101.97% | |
| Gf Fund Management Co. Ltd. | 0.31% | 115,245 | $18,554,445 | $37,474,217 | +$18,919,772 | +101.97% | |
| Ashford Capital Management Inc | 2.26% | 113,535 | $18,279,135 | $36,918,176 | +$18,639,041 | +101.97% | |
| Nuveen, Llc | 0.00% | 110,666 | $17,817,226 | $35,985,263 | +$18,168,037 | +101.97% | |
| Principal Financial Group Inc | 0.01% | 110,229 | $17,746,869 | $35,843,164 | +$18,096,295 | +101.97% | |
| Jacobs Levy Equity Management, Inc | 0.07% | 102,471 | $16,497,831 | $33,320,495 | +$16,822,664 | +101.97% | |
| Bank Of America Corp | 0.00% | 102,107 | $16,439,227 | $33,202,133 | +$16,762,906 | +101.97% | |
| Ubs Group Ag | 0.00% | 92,423 | $14,880,103 | $30,053,187 | +$15,173,084 | +101.97% | |
| Qube Research & Technologies Ltd | 0.02% | 89,555 | $14,418,355 | $29,120,599 | +$14,702,244 | +101.97% | |
| Bnp Paribas Financial Markets | 0.01% | 75,020 | $12,078,220 | $24,394,253 | +$12,316,033 | +101.97% | |
| Cibc World Market Inc. | 0.02% | 73,100 | $11,769,100 | $23,769,927 | +$12,000,827 | +101.97% | |
| Ariose Capital Management Ltd | 7.87% | 72,788 | $11,718,868 | $23,668,474 | +$11,949,606 | +101.97% | |
| Alliancebernstein L.P. | 0.00% | 101,217 | $11,093,383 | $32,912,732 | +$21,819,349 | +196.69% | |
| Rhumbline Advisers | 0.01% | 67,820 | $10,919,020 | $22,053,029 | +$11,134,009 | +101.97% | |
| Bruce & Co., Inc. | 2.99% | 65,000 | $10,465,000 | $21,136,050 | +$10,671,050 | +101.97% | |
| Susquehanna International Group, Llp | 0.01% | 60,060 | $9,669,660 | $19,529,710 | +$9,860,050 | +101.97% | |
| Raymond James Financial Inc | 0.00% | 56,468 | $9,091,348 | $18,361,700 | +$9,270,352 | +101.97% | |
| Andar Capital Management Hk Ltd | 7.57% | 55,000 | $8,855,000 | $17,884,350 | +$9,029,350 | +101.97% | |
| Empowered Funds, Llc | 0.05% | 51,091 | $8,225,651 | $16,613,260 | +$8,387,609 | +101.97% | |
| Ameriprise Financial Inc | 0.00% | 50,738 | $8,168,818 | $16,498,475 | +$8,329,657 | +101.97% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 47,300 | $7,615,300 | $15,380,541 | +$7,765,241 | +101.97% |
| Citadel Advisors Llc | 0.01% | 46,435 | $7,476,035 | $15,099,269 | +$7,623,234 | +101.97% |
Frequently asked questions about VICR
Who owns the most VICR stock?
The largest holders of VICR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for VICOR CORP (VICR).
Is VICR widely held by superinvestors?
Many widely followed stocks like VICR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly VICR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.