Vicor Corporation (VICR) Ownership

48.40 ↓2.23 (-4.40%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

JPMorgan Chase & Co is the biggest individual institutional holder of Vicor Corporation (VICR), owning a total of 3.8 million shares. Combined, the top 53 institutional holders of VICR own 61.41% of the company with a total of 27.6 million shares.

In the latest ownership report on December 31st 2024, the top 53 institutional holders decreased their combined ownership of VICR by 135 thousand shares. 13 institutions bought 2,806,885 total additional shares and increased their ownership by an average of 80.90%. However 8 institutions sold 2,941,414 total shares and decreased their ownership by an average of 9.99%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Vicor Corporation decreased by a net total of -134,529 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
JPMorgan Chase & Co	8.515%	-41.266%	3,847,330	-2,703,144	2024-12-31
BlackRock Inc	7.882%	3.130%	3,561,333	108,077	2024-12-31
Vanguard Group Inc	5.598%	0.753%	2,529,448	18,893	2024-12-31
Wealthfront Advisers LLC	3.659%	0.000%	1,653,327	1,653,327	2024-12-31
State Street Corp	1.963%	3.990%	886,964	34,032	2024-12-31
Needham Investment Management, LLC	1.934%	-3.579%	874,000	-32,439	2024-12-31
Brown Capital Management, LLC	1.804%	-14.440%	815,186	-137,577	2024-12-31
Geode Capital Management, LLC	1.260%	-0.523%	569,204	-2,991	2024-12-31
Dimensional Fund Advisors, Inc.	1.173%	-3.512%	530,080	-19,295	2024-12-31
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0.815%	0.000%	368,100	368,100	2024-12-31
Awm Investment Company Inc	0.779%	-7.253%	352,015	-27,528	2024-12-31
Pinnacle Associates Inc	0.611%	271.016%	275,906	201,541	2024-12-31
Morgan Stanley - Brokerage Accounts	0.597%	-3.014%	269,707	-8,382	2024-12-31
Northern Trust Corp	0.553%	8.859%	249,717	20,321	2024-12-31
New York State Common Retirement Fund	0.472%	0.282%	213,456	600	2024-12-31
Charles Schwab Investment Management Inc	0.470%	2.738%	212,372	5,659	2024-12-31
Herald Investment Management Ltd	0.443%	0.000%	200,000	0	2024-12-31
Colrain Capital LLC	0.421%	329.383%	190,002	145,752	2024-12-31
Nuveen Asset Management, LLC	0.376%	184.134%	169,989	110,162	2024-12-31
Citadel Advisors Llc	0.354%	211.903%	159,919	108,647	2024-12-31
Bank of New York Mellon Corp	0.329%	-6.339%	148,613	-10,058	2024-12-31
Prescott Group Capital Management LLC	0.269%	35.499%	121,280	31,774	2024-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
JPMorgan Chase & Co	8.515%	-41.266%	3,847,330	-2,703,144	2024-12-31
BlackRock Inc	7.882%	3.130%	3,561,333	108,077	2024-12-31
Vanguard Group Inc	5.598%	0.753%	2,529,448	18,893	2024-12-31
Wealthfront Advisers LLC	3.659%	0.000%	1,653,327	1,653,327	2024-12-31
State Street Corp	1.963%	3.990%	886,964	34,032	2024-12-31
Needham Investment Management, LLC	1.934%	-3.579%	874,000	-32,439	2024-12-31
State Street Corporation	1.878%	1.426%	846,611	11,904	2024-03-31
Brown Capital Management, LLC	1.804%	-14.440%	815,186	-137,577	2024-12-31
Millennium Management LLC	1.460%	11,346.300%	646,142	640,497	2023-03-31
Capital Research Global Investors	1.339%	-70.312%	591,846	-1,401,680	2022-12-31
Geode Capital Management, LLC	1.260%	-0.523%	569,204	-2,991	2024-12-31
Dimensional Fund Advisors, Inc.	1.173%	-3.512%	530,080	-19,295	2024-12-31
Amvescap Plc.	1.153%	-5.119%	513,414	-27,697	2023-12-31
Wellington Management Company LLP	1.124%	-69.211%	499,702	-1,123,288	2023-09-30
Thrivent Financial For Lutherans	1.060%	-2.704%	468,708	-13,026	2022-12-31
Fred Alger Management, LLC	0.988%	-11.775%	439,175	-58,614	2023-09-30
Ashford Capital Management Inc	0.897%	-8.053%	398,616	-34,914	2023-09-30
Shannon River Fund Management LLC	0.900%	0.000%	398,018	398,018	2022-12-31
Capital Research & Mgmt Co - Division 3	0.838%	0.000%	378,100	0	2024-09-30
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0.815%	0.000%	368,100	368,100	2024-12-31
UBS Group AG	0.800%	71,481.900%	352,899	352,406	2022-09-30
Awm Investment Company Inc	0.779%	-7.253%	352,015	-27,528	2024-12-31
Pinnacle Associates Inc	0.611%	271.016%	275,906	201,541	2024-12-31
Morgan Stanley - Brokerage Accounts	0.597%	-3.014%	269,707	-8,382	2024-12-31
Portolan Capital Management, LLC	0.591%	0.000%	262,724	262,724	2023-06-30
Northern Trust Corp	0.553%	8.859%	249,717	20,321	2024-12-31
BEACONLIGHT CAPITAL, LLC	0.544%	16.324%	241,666	33,913	2023-06-30
Renaissance Technologies Corp	0.502%	-12.510%	223,800	-32,000	2023-12-31
AQR Capital Management LLC	0.495%	47.315%	218,974	70,331	2022-12-31
Two Sigma Investments LLC	0.483%	103.272%	215,105	109,284	2023-12-31
VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.475%	-20.457%	214,240	-55,097	2024-06-30
New York State Common Retirement Fund	0.472%	0.282%	213,456	600	2024-12-31
Charles Schwab Investment Management Inc	0.470%	2.738%	212,372	5,659	2024-12-31
Granahan Investment Management Inc..	0.481%	-5.494%	211,748	-12,309	2022-09-30
Congress Asset Management Company, LLP	0.480%	23.609%	211,439	40,384	2022-09-30
Eagle Asset Management, Inc.	0.471%	0.000%	209,452	209,452	2023-09-30
Herald Investment Management Ltd	0.443%	0.000%	200,000	0	2024-12-31
Qube Research & Technologies	0.429%	92.240%	191,221	91,751	2023-12-31
ING Investment Management LLC	0.429%	2,159.130%	190,558	182,123	2023-06-30
Colrain Capital LLC	0.421%	329.383%	190,002	145,752	2024-12-31
Goldman Sachs Group Inc	0.424%	203.357%	188,324	126,244	2023-06-30
Kennedy Capital Management Inc	0.401%	178.695%	180,862	115,966	2024-03-31
NORGES BANK	0.407%	8.512%	180,102	14,127	2022-12-31
Mesirow Financial Investment Management, Inc.	0.392%	0.000%	172,515	172,515	2022-06-30
D. E. Shaw & Co LP	0.381%	-44.629%	171,882	-138,539	2024-09-30
Nuveen Asset Management, LLC	0.376%	184.134%	169,989	110,162	2024-12-31
S Squared Technology, LLC	0.378%	6.357%	167,304	10,000	2023-06-30
Citadel Advisors Llc	0.354%	211.903%	159,919	108,647	2024-12-31
Ameriprise Financial Inc	0.343%	2.139%	154,696	3,239	2024-09-30
Bank of New York Mellon Corp	0.329%	-6.339%	148,613	-10,058	2024-12-31
Two Sigma Advisers, LLC	0.297%	-22.435%	133,800	-38,700	2024-09-30
First Trust Advisors L.P.	0.296%	-12.430%	133,682	-18,975	2024-09-30
Prescott Group Capital Management LLC	0.269%	35.499%	121,280	31,774	2024-12-31

Mutual Fund Ownership

iShares Core S&P Small-Cap ETF is the biggest individual fund holder of Vicor Corporation (VICR), owning a total of 1.5 million shares. Combined, the top 46 mutual fund holders of VICR own 33.20% of the company with a total of 14.9 million shares.

In the latest ownership report on February 28th 2025, the top 46 fund holders increased their combined ownership of VICR by 24 thousand shares. 5 funds bought 33,842 total additional shares and increased their ownership by an average of 0.65%. However 4 funds sold 9,450 total shares and decreased their ownership by an average of 0.47%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Vicor Corporation increased by a net total of 24,392 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Small-Cap ETF	3.268%	-0.026%	1,476,417	-381	2025-02-28
JPM US Technology A (dist) USD	2.991%	2.397%	1,351,597	31,645	2025-02-28
Vanguard Total Stock Mkt Idx Inv	1.600%	0.000%	723,057	0	2025-02-28
Vanguard Small Cap Index	1.321%	0.081%	596,843	483	2025-02-28
iShares Russell 2000 ETF	1.291%	-1.163%	583,202	-6,862	2025-02-28
Vanguard Institutional Extnd Mkt Idx Tr	0.770%	0.155%	348,019	539	2025-02-28
Vanguard Small Cap Growth Index Inv	0.740%	-0.588%	334,506	-1,979	2025-02-28
JPMorgan U.S. Tech Leaders ETF	0.467%	0.465%	210,841	975	2025-02-28
SPDR® Portfolio S&P 600™ Sm Cap ETF	0.454%	-0.111%	205,277	-228	2025-02-28
Vanguard Tax-Managed Small Cap Adm	0.350%	0.000%	158,196	0	2025-02-28
Fidelity Enhanced Small Cap ETF	0.322%	0.000%	145,370	0	2025-02-28
State St Russell Sm/Mid Cp® Indx NL Cl C	0.300%	0.148%	135,598	200	2025-02-28

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Small-Cap ETF	3.268%	-0.026%	1,476,417	-381	2025-02-28
JPM US Technology A (dist) USD	2.991%	2.397%	1,351,597	31,645	2025-02-28
Vanguard Total Stock Mkt Idx Inv	1.600%	0.000%	723,057	0	2025-02-28
iShares Core S&P Mid-Cap ETF	1.585%	0.071%	701,628	496	2023-09-29
Vanguard Instl Ttl Stck Mkt Idx Tr	1.577%	1.993%	700,845	13,692	2023-03-31
Vanguard Small Cap Index	1.321%	0.081%	596,843	483	2025-02-28
iShares Russell 2000 ETF	1.291%	-1.163%	583,202	-6,862	2025-02-28
Needham Aggressive Growth Retail	1.151%	0.775%	520,000	4,000	2024-12-31
JPMorgan Small Cap Growth A	1.002%	-0.838%	452,746	-3,826	2025-01-31
Invesco Global Opportunities A	1.014%	0.000%	450,541	0	2023-12-31
Invesco Global Multi Cap Growth	1.013%	-9.892%	450,541	-49,459	2023-12-31
American Funds SMALLCAP World A	0.838%	0.000%	378,100	0	2024-09-30
Vanguard Institutional Extnd Mkt Idx Tr	0.770%	0.155%	348,019	539	2025-02-28
Vanguard Small Cap Growth Index Inv	0.740%	-0.588%	334,506	-1,979	2025-02-28
Vanguard Extended Market Index Investor	0.701%	-0.114%	310,122	-354	2023-08-31
American Funds IS® Global Small Cap 1	0.683%	-1.859%	300,876	-5,700	2022-09-30
Alger Small Cap Focus I	0.672%	-23.243%	298,518	-90,394	2023-10-31
Alger Small Cap Focus Composite	0.672%	-23.243%	298,518	-90,394	2023-10-31
Brown Capital Mgmt Small Co Inv	0.564%	-37.560%	255,018	-153,402	2024-12-31
American Funds New World A	0.522%	84.726%	230,933	105,919	2023-06-30
Fidelity Small Cap Index	0.507%	-1.385%	228,848	-3,215	2024-12-31
Fidelity® Small Cap Index	0.481%	2.788%	213,907	5,801	2023-10-31
JPMorgan U.S. Tech Leaders ETF	0.467%	0.465%	210,841	975	2025-02-28
SPDR® Portfolio S&P 600™ Sm Cap ETF	0.454%	-0.111%	205,277	-228	2025-02-28
Herald Ord	0.443%	0.000%	200,000	0	2024-09-30
SPDR® Portfolio S&P 600 Sm Cap ETF	0.447%	-0.144%	199,252	-287	2024-05-30
iShares Russell 2000 Growth ETF	0.424%	0.000%	189,075	0	2024-05-30
SPDR® S&P MIDCAP 400 ETF Trust	0.414%	-2.076%	183,824	-3,897	2023-09-30
Kennedy Extended Small Cap	0.357%	144.719%	158,813	93,917	2024-03-31
Hartford MidCap Value Y	0.358%	2.760%	158,294	4,251	2023-06-30
Vanguard Tax-Managed Small Cap Adm	0.350%	0.000%	158,196	0	2025-02-28
Needham Small Cap Growth Retail	0.343%	-16.216%	155,000	-30,000	2024-12-31
iShares S&P Mid-Cap 400 Growth ETF	0.349%	-0.844%	153,740	-1,308	2022-11-30
Congress Small Cap Growth Institutional	0.341%	20.000%	150,000	25,000	2022-10-31
Fidelity Enhanced Small Cap ETF	0.322%	0.000%	145,370	0	2025-02-28
First Trust NASDAQ® Cln Edge® GrnEngyETF	0.318%	0.000%	141,205	0	2024-02-29
Mediolanum Ch Technology Eq Evolt L A	0.316%	0.000%	139,227	139,227	2022-09-30
State St Russell Sm/Mid Cp® Indx NL Cl C	0.300%	0.148%	135,598	200	2025-02-28
DFA US Small Cap I	0.292%	0.000%	131,856	0	2025-01-31
Ashford Small Company Growth	0.296%	48.996%	130,976	43,070	2023-06-30
Hartford Capital Appreciation Y	0.293%	6.583%	129,610	8,005	2023-05-31
Needham Growth Retail	0.286%	-1.103%	129,000	-1,439	2024-12-31
Fidelity Extended Market Index	0.283%	1.842%	127,537	2,307	2024-11-30
State St S&P Midcap® Indx SL Cl II	0.269%	0.000%	118,961	0	2023-04-30
iShares S&P Small-Cap 600 Value ETF	0.260%	-0.490%	115,832	-570	2024-06-28
Fidelity® Extended Market Index	0.258%	0.679%	113,883	768	2023-02-28