VICOR CORP (VICR) 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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $7.07B 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 $934.61M in its June 30, 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 $623.85M, representing an estimated loss of -33.25% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed VICR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Jpmorgan Chase & Co, Vanguard Portfolio 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
499
Total Reported Value
$7.07B
Largest Holder
Blackrock, Inc.
Largest Position
$934.61M
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
144
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% | 2,460,929 | $934,611,613 | $623,845,502 | -$310,766,112 | -33.25% | |
| Jpmorgan Chase & Co | 0.05% | 2,370,220 | $869,793,227 | $600,850,770 | -$268,942,457 | -30.92% | |
| Vanguard Portfolio Management Llc | 0.02% | 1,280,146 | $486,173,848 | $324,517,011 | -$161,656,837 | -33.25% | |
| Vanguard Capital Management Llc | 0.01% | 1,120,538 | $425,557,922 | $284,056,383 | -$141,501,539 | -33.25% | |
| State Street Corp | 0.01% | 726,021 | $275,728,255 | $184,046,324 | -$91,681,932 | -33.25% | |
| Geode Capital Management, Llc | 0.01% | 587,338 | $223,103,218 | $148,890,183 | -$74,213,035 | -33.26% | |
| Jane Street Group, Llc | 0.13% | 539,169 | $204,765,603 | $136,679,342 | -$68,086,262 | -33.25% | |
| Manufacturers Life Insurance Company, The | 0.16% | 530,885 | $201,619,505 | $134,579,348 | -$67,040,158 | -33.25% | |
| Arrowstreet Capital, Limited Partnership | 0.09% | 530,811 | $201,591,402 | $134,560,589 | -$67,030,814 | -33.25% | |
| Needham Investment Management Llc | 5.99% | 524,000 | $199,004,720 | $132,834,000 | -$66,170,720 | -33.25% | |
| Driehaus Capital Management Llc | 1.09% | 496,507 | $188,563,428 | $125,864,525 | -$62,698,904 | -33.25% | |
| Dimensional Fund Advisors Lp | 0.03% | 493,315 | $187,316,860 | $125,055,353 | -$62,261,508 | -33.24% | |
| Aqr Capital Management Llc | 0.06% | 449,524 | $167,951,157 | $113,954,334 | -$53,996,823 | -32.15% | |
| Goldman Sachs Group Inc | 0.01% | 373,757 | $141,945,383 | $94,747,400 | -$47,197,984 | -33.25% | |
| Invesco Ltd. | 0.01% | 245,334 | $93,172,947 | $62,192,169 | -$30,980,778 | -33.25% | |
| Morgan Stanley | 0.00% | 230,808 | $87,656,699 | $58,509,828 | -$29,146,871 | -33.25% | |
| Northern Trust Corp | 0.01% | 192,902 | $73,260,322 | $48,900,657 | -$24,359,665 | -33.25% | |
| Ubs Group Ag | 0.01% | 156,855 | $59,570,392 | $39,762,743 | -$19,807,650 | -33.25% | |
| Charles Schwab Investment Management Inc | 0.01% | 155,435 | $59,031,104 | $39,402,773 | -$19,628,332 | -33.25% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 155,435 | $59,031,104 | $39,402,773 | -$19,628,332 | -33.25% | |
| First Trust Advisors Lp | 0.03% | 154,621 | $58,721,963 | $39,196,424 | -$19,525,540 | -33.25% | |
| Vanguard Fiduciary Trust Co | 0.01% | 152,771 | $58,019,370 | $38,727,449 | -$19,291,922 | -33.25% | |
| Colrain Capital Llc | 19.32% | 150,277 | $57,072,199 | $38,095,220 | -$18,976,980 | -33.25% | |
| Awm Investment Company, Inc. | 4.91% | 148,981 | $56,580,004 | $37,766,684 | -$18,813,321 | -33.25% | |
| Bank Of New York Mellon Corp | 0.01% | 139,978 | $53,160,977 | $35,484,423 | -$17,676,554 | -33.25% | |
| Susquehanna International Group, Llp | 0.05% | 133,641 | $50,754,179 | $33,877,994 | -$16,876,186 | -33.25% | |
| Pinnacle Associates Ltd | 0.54% | 130,492 | $49,558,252 | $33,079,722 | -$16,478,530 | -33.25% | |
| Nuveen, Llc | 0.01% | 125,882 | $47,807,466 | $31,911,087 | -$15,896,379 | -33.25% | |
| Arosa Capital Management Lp | 41.41% | 125,000 | $47,472,500 | $31,687,500 | -$15,785,000 | -33.25% | |
| Principal Financial Group Inc | 0.02% | 117,886 | $44,770,745 | $29,884,101 | -$14,886,644 | -33.25% | |
| Vaughan Nelson Investment Management, L.P. | 0.38% | 112,380 | $42,679,678 | $28,488,330 | -$14,191,348 | -33.25% | |
| Rhumbline Advisers | 0.03% | 101,178 | $38,425,331 | $25,648,623 | -$12,776,708 | -33.25% | |
| Bank Of America Corp | 0.00% | 88,249 | $33,515,206 | $22,371,122 | -$11,144,085 | -33.25% | |
| Tudor Investment Corp Et Al | 0.13% | 83,690 | $31,783,788 | $21,215,415 | -$10,568,373 | -33.25% | |
| Tidal Investments Llc | 0.08% | 82,874 | $31,473,888 | $21,008,559 | -$10,465,329 | -33.25% | |
| Los Angeles Capital Management Llc | 0.11% | 79,396 | $30,153,014 | $20,126,886 | -$10,026,128 | -33.25% | |
| Raymond James Financial Inc | 0.01% | 79,194 | $30,076,297 | $20,075,679 | -$10,000,618 | -33.25% | |
| Herald Investment Management Ltd | 3.97% | 77,100 | $29,257,137 | $19,544,850 | -$9,712,287 | -33.20% | |
| Russell Investments Group, Ltd. | 0.02% | 72,593 | $27,411,873 | $18,402,326 | -$9,009,548 | -32.87% | |
| Hsbc Holdings Plc | 0.01% | 70,523 | $26,365,781 | $17,877,581 | -$8,488,201 | -32.19% | |
| Silvercrest Asset Management Group Llc | 0.17% | 67,769 | $25,737,311 | $17,179,442 | -$8,557,870 | -33.25% | |
| Ameriprise Financial Inc | 0.01% | 65,696 | $24,950,026 | $16,653,936 | -$8,296,090 | -33.25% | |
| Millennium Management Llc | 0.02% | 62,780 | $23,842,588 | $15,914,730 | -$7,927,858 | -33.25% | |
| Bnp Paribas Financial Markets | 0.01% | 62,291 | $23,656,876 | $15,790,769 | -$7,866,108 | -33.25% | |
| Gf Fund Management Co. Ltd. | 0.28% | 60,972 | $23,155,946 | $15,456,402 | -$7,699,544 | -33.25% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.03% | 58,388 | $22,174,594 | $14,801,358 | -$7,373,236 | -33.25% | |
| Alight Capital Management Lp | 3.09% | 50,000 | $18,989,000 | $12,675,000 | -$6,314,000 | -33.25% | |
| Prudential Financial Inc | 0.02% | 49,285 | $18,717,458 | $12,493,748 | -$6,223,711 | -33.25% | |
| Trexquant Investment Lp | 0.11% | 48,149 | $18,286,027 | $12,205,772 | -$6,080,256 | -33.25% | |
| Ashford Capital Management Inc | 2.26% | 113,535 | $18,279,135 | $28,781,123 | +$10,501,988 | +57.45% |
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.