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Aehr Test Systems (aehr)
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总股本:-- |
机构持股 |
持有者 |
持有份额 |
持股比例 |
份额变化 |
变化率 |
报告日期 |
Cubist Systematic Strategies, LLC |
186978 |
0.69% |
110152 |
143.38% |
2022-03-31
|
Fidelity Management & Research Company LLC |
1628212 |
6.05% |
1326 |
0.08% |
2022-05-31
|
FMR Inc |
1588198 |
5.90% |
-260333 |
-14.08% |
2022-03-31
|
Collaborative Holdings Management LP |
1533440 |
5.70% |
297846 |
24.11% |
2021-12-31
|
Awm Investment Company Inc |
1410990 |
5.24% |
265241 |
23.15% |
2022-03-31
|
Vanguard Group Inc |
1207181 |
4.48% |
64226 |
5.62% |
2022-03-31
|
Renaissance Technologies Corp |
766800 |
2.85% |
253700 |
49.44% |
2022-03-31
|
BlackRock Inc |
374668 |
1.39% |
201607 |
116.49% |
2021-12-31
|
Ameritas Advisory Services, LLC |
364547 |
1.35% |
158500 |
76.92% |
2022-03-31
|
Two Sigma Investments LLC |
343053 |
1.27% |
263089 |
329.01% |
2022-03-31
|
Capital Fund Management SA |
335522 |
1.25% |
111242 |
49.60% |
2022-03-31
|
Susquehanna International Group, LLP |
197368 |
0.73% |
-355264 |
-64.29% |
2022-03-31
|
Citadel Advisors Llc |
200646 |
0.75% |
189533 |
1705.51% |
2022-03-31
|
Geode Capital Management, LLC |
204816 |
0.76% |
4096 |
2.04% |
2022-03-31
|
Friess Associates LLC |
205208 |
0.76% |
28208 |
15.94% |
2022-03-31
|
Fidelity Investments |
235120 |
0.87% |
81620 |
53.17% |
2022-05-31
|
Silvercrest Asset Management Group LLC |
265929 |
0.99% |
84165 |
46.30% |
2022-03-31
|
Vanguard Investments Australia Ltd |
682904 |
2.54% |
-- |
-- |
2022-05-31
|
Royce & Associates, LP |
310459 |
1.15% |
48800 |
18.65% |
2022-03-31
|
Oberweis Asset Management Inc |
178200 |
0.66% |
86400 |
94.12% |
2022-03-31
|
Arrowstreet Capital Limited Partnership |
338123 |
1.26% |
338123 |
-- |
2021-12-31
|
HRT FINANCIAL LLC |
133930 |
0.50% |
133930 |
-- |
2021-12-31
|
EAM Investors, LLC |
230146 |
0.85% |
-186617 |
-44.78% |
2021-12-31
|
Timpani Capital Management LLC |
137109 |
0.51% |
137109 |
-- |
2022-03-31
|
Group One Trading, LP |
216253 |
0.81% |
216253 |
-- |
2021-09-30
|
EAM Global Investors, LLC |
240661 |
0.90% |
240661 |
-- |
2021-09-30
|
JANE STREET GROUP, LLC |
323341 |
1.20% |
323341 |
-- |
2021-09-30
|
Virtu Financial LLC |
136003 |
0.51% |
136003 |
-- |
2021-09-30
|
Morgan Stanley - Brokerage Accounts |
117554 |
0.44% |
113354 |
2698.90% |
2021-09-30
|
VOLORIDGE INVESTMENT MANAGEMENT, LLC |
165864 |
0.62% |
165864 |
-- |
2021-09-30
|
Raymond James Finl Svs Advisors, Inc. |
93249 |
0.35% |
-27648 |
-22.87% |
2021-09-30
|
New York State Common Retirement Fund |
80000 |
0.30% |
80000 |
-- |
2021-09-30
|
Palisades Investment Partners, LLC |
80000 |
0.30% |
80000 |
-- |
2021-12-31
|
AMG Funds LLC |
261399 |
0.98% |
-252653 |
-49.15% |
2021-11-30
|
Callan LLC |
76832 |
0.29% |
76832 |
-- |
2021-11-30
|
Dimensional Fund Advisors, Inc. |
70409 |
0.27% |
-- |
-- |
2021-09-30
|
Belvedere Trading LLC |
67978 |
0.26% |
67978 |
-- |
2021-09-30
|
Advisor Group Holdings, Inc. |
104250 |
0.39% |
-- |
-- |
2021-06-30
|
BlackRock Fund Advisors |
66495 |
0.25% |
-- |
-- |
2021-11-30
|
Dimensional Fund Advisors LP |
66106 |
0.25% |
-- |
-- |
2021-11-30
|
Northern Trust Investments Inc |
58588 |
0.22% |
16240 |
38.35% |
2021-11-30
|
Heritage Investors Management Corp |
58098 |
0.22% |
-- |
-- |
2021-06-30
|
Northern Trust Corp |
35510 |
0.13% |
-- |
-- |
2021-06-30
|
BlackRock |
31337 |
0.12% |
31337 |
-- |
2021-11-30
|
Goldman Sachs Group Inc |
27823 |
0.10% |
-7538 |
-21.32% |
2021-06-30
|
Cadence Capital Management LLC |
394124 |
1.48% |
-6314 |
-1.58% |
2021-10-31
|
Northern Trust Investments N A |
35510 |
0.13% |
389 |
1.11% |
2021-03-31
|
Securities America Advisors Inc |
104250 |
0.39% |
-18800 |
-15.28% |
2021-03-31
|
SunAmerica Asset Management, LLC |
50582 |
0.21% |
-15889 |
-23.90% |
2021-07-31
|
Janney Montgomery Scott LLC |
178000 |
0.75% |
-15600 |
-8.06% |
2021-03-31
|
Manatuck Hill Partners LLC |
128200 |
0.54% |
128200 |
-- |
2020-12-31
|
Millennium Management LLC |
75258 |
0.32% |
75258 |
-- |
2020-12-31
|
Caprock Group Inc |
95480 |
0.41% |
45480 |
90.96% |
2020-12-31
|
Prudential Retirement Services |
144311 |
0.61% |
-76758 |
-34.72% |
2021-02-28
|
Essex Investment Management Company, LLC |
236664 |
1.01% |
-138835 |
-36.97% |
2020-09-30
|
Kennedy Capital Management Inc |
397388 |
1.69% |
-196865 |
-33.13% |
2020-09-30
|
Royce & Associates, LP |
1293900 |
5.55% |
-- |
-- |
2020-09-30
|
Fidelity Management & Research Company LLC |
109762 |
0.47% |
-- |
-- |
2020-11-30
|
Fidelity Management & Research Company |
109762 |
0.49% |
-- |
-- |
2020-05-31
|
B. Riley Financial Inc |
157011 |
0.70% |
-312989 |
-66.59% |
2019-12-31
|
Vassalluzzo Scott J |
26802 |
0.12% |
26802 |
-- |
2019-12-31
|
Minerva Advisors LLC |
24828 |
0.11% |
-485 |
-1.92% |
2019-09-30
|
Prudential Investment Management Inc |
219746 |
0.97% |
-11419 |
-4.94% |
2020-02-29
|
State Street Global Advisors |
17200 |
0.08% |
-- |
-- |
2020-01-31
|
Mellon Investments Corporation |
26192 |
0.12% |
4894 |
22.98% |
2020-01-31
|
Herald Investment Management Limited |
200000 |
0.89% |
-- |
-- |
2019-03-31
|
BlackRock Asset Management Canada Ltd |
46002 |
0.20% |
528 |
1.16% |
2019-05-31
|
Janney Capital Management LLC |
362000 |
1.62% |
362000 |
-- |
2018-09-30
|
Bank of New York Mellon Corp |
19236 |
0.09% |
-- |
-- |
2018-12-31
|
Segall Bryant & Hamill |
154490 |
0.69% |
-- |
-- |
2018-09-30
|
KeyBank National Association |
28632 |
0.13% |
-50000 |
-63.59% |
2018-09-30
|
Ivy Investment Management Co |
272500 |
1.22% |
-143422 |
-34.48% |
2018-11-30
|
Susquehanna Financial Group, LLLP |
65978 |
0.30% |
39476 |
148.95% |
2018-06-30
|
Deutsche Bank AG |
74090 |
0.33% |
-66836 |
-47.43% |
2018-03-31
|
Victory Capital Management Inc. |
78632 |
0.35% |
-- |
-- |
2018-06-30
|
G2 Investment Partners Management LLC |
245300 |
1.10% |
-115756 |
-32.06% |
2018-03-31
|
Royce & Associates, LLC |
305000 |
1.39% |
-- |
-- |
2018-03-31
|
Morgan Stanley Smith Barney LLC |
11275 |
0.05% |
-726 |
-6.05% |
2018-06-30
|
Founders Capital Management Inc |
8000 |
0.04% |
2000 |
33.33% |
2018-06-30
|
Guggenheim Funds Investment Advisors LLC |
5624 |
0.02% |
-- |
-- |
2018-09-14
|
BNY Mellon Investment Management |
19236 |
0.09% |
-- |
-- |
2018-06-30
|
UBS Securities LLC |
3389 |
0.02% |
3389 |
-- |
2018-06-30
|
BlackRock Institutional Trust Company NA |
14238 |
0.06% |
14238 |
-- |
2018-03-31
|
Private Wealth Advisors |
331800 |
1.56% |
331800 |
-- |
2017-04-19
|
Granite Point Capital Management LP |
35908 |
0.16% |
-22672 |
-38.70% |
2017-12-31
|
TWO SIGMA SECURITIES, LLC |
10260 |
0.05% |
10260 |
-- |
2017-12-31
|
Waddell & Reed Investment Management Co |
272500 |
1.25% |
-143422 |
-34.48% |
2017-12-31
|
RS Investment Management Co. LLC |
444200 |
2.04% |
-- |
-- |
2017-12-31
|
Qvt Financial LP |
1847215 |
11.10% |
436667 |
30.96% |
2016-12-31
|
Squarepoint Ops LLC |
22600 |
0.10% |
22600 |
-- |
2017-09-30
|
Shellback Capital, LP |
200000 |
0.93% |
-- |
-- |
2017-09-30
|
WESTERLY CAPITAL MANAGEMENT LLC |
520567 |
3.95% |
-191433 |
-26.89% |
2015-12-31
|
Mellon Capital Management Corporation |
391 |
-- |
-27 |
-6.46% |
2016-12-31
|
Tower Research Capital LLC |
30 |
-- |
-1300 |
-97.74% |
2016-09-30
|
Merrill Lynch & Co Inc |
107 |
-- |
107 |
-- |
2016-09-30
|
John M. Schneider |
1253055 |
8.00% |
2894682 |
0.10% |
1999-11-30
|
Gayn Erickson |
766458 |
8.00% |
1770595 |
0.10% |
1999-11-30
|
Robert R. Anderson |
768204 |
8.00% |
1774628 |
0.10% |
1999-11-30
|
Rhea J. Posedel |
1140620 |
8.00% |
2634946 |
0.10% |
1999-11-30
|
共同基金持股 |
持有者 |
持有份额 |
持股比例 |
份额变化 |
变化率 |
报告日期 |
Oberweis Micro Cap Fund |
178200 |
0.66% |
86400 |
94.12% |
2022-03-31
|
Vanguard Total Stock Market Index Fund |
682904 |
2.54% |
-- |
-- |
2022-05-31
|
Vanguard Extended Market Index Fund |
310269 |
1.15% |
-- |
-- |
2022-05-31
|
Royce Micro Cap Series Fund |
186359 |
0.69% |
9400 |
5.31% |
2022-03-31
|
Oberweis Micro-Cap Growth |
178200 |
0.66% |
86400 |
94.12% |
2022-03-31
|
Silvercrest U.S. Small Cap Growth |
91439 |
0.34% |
28346 |
44.93% |
2022-03-31
|
Fidelity Advisor |
87709 |
0.33% |
-- |
-- |
2022-04-30
|
Palisades Small Cap Core |
80000 |
0.30% |
-- |
-- |
2021-12-31
|
Fidelity |
35381 |
0.13% |
-- |
-- |
2022-04-30
|
Royce Micro-Cap Trust |
38800 |
0.14% |
38800 |
-- |
2022-03-31
|
Principal US Small Cap Mlt-Fac ETF |
40200 |
0.15% |
-- |
-- |
2022-05-31
|
BlackRock Extended Equity Market |
43759 |
0.16% |
12414 |
39.60% |
2022-03-31
|
iShares Micro-Cap ETF |
54846 |
0.20% |
-- |
-- |
2022-05-31
|
Royce Capital Fund Micro-Cap Portfolio |
78200 |
0.29% |
-- |
-- |
2022-03-31
|
Vanguard Information Technology Index Fd |
115444 |
0.43% |
-48944 |
-29.77% |
2022-04-30
|
Calamos Timpani Small Cap Growth Fund |
144378 |
0.54% |
-2163 |
-1.48% |
2022-02-28
|
Timpani Small Cap Growth Equity |
137109 |
0.51% |
137109 |
-- |
2021-12-31
|
Pleiades Small Cap Equity Fund |
45223 |
0.17% |
-31609 |
-41.14% |
2021-12-31
|
EAM Ultra Micro Cap |
70728 |
0.26% |
-- |
-- |
2022-02-28
|
EAM Micro Cap |
89290 |
0.33% |
-- |
-- |
2021-12-31
|
DFA US Small Cap Portfolio |
26462 |
0.10% |
-- |
-- |
2021-11-30
|
NT Extended Equity Market Idx Fd - NL |
22127 |
0.08% |
11608 |
110.35% |
2021-09-30
|
NT Ext Equity Mkt Idx Fd - DC - NL |
16823 |
0.06% |
8933 |
113.22% |
2021-09-30
|
iShares Core S&P Total US Stock Mkt ETF |
16339 |
0.06% |
-- |
-- |
2021-11-30
|
NT DJ US Complt Ttl Stk Mkt Idx Eq Strat |
16217 |
0.06% |
-3347 |
-17.11% |
2021-09-30
|
Vanguard Instl Total Stock Market Idx Fd |
20030 |
0.08% |
-- |
-- |
2021-10-31
|
NT Ext Equity Market Index Fund - L |
16217 |
0.06% |
-3347 |
-17.11% |
2021-09-30
|
DFA US Core Equity II Fund |
13278 |
0.05% |
-- |
-- |
2021-08-31
|
Dimensional US Small Cap ETF |
13183 |
0.05% |
-- |
-- |
2021-09-30
|
Vanguard US Equity Index Fund |
10907 |
0.04% |
7007 |
179.67% |
2021-08-31
|
Vanguard Balanced Index Fund |
8824 |
0.04% |
-- |
-- |
2021-08-31
|
DFA Tax Managed US Small Cap Portfolio |
13183 |
0.05% |
-- |
-- |
2021-08-31
|
SSgA U.S. Extended Market Index Tr |
8600 |
0.04% |
-- |
-- |
2021-06-30
|
State Street U.S. Extended Market Index |
8600 |
0.04% |
-- |
-- |
2021-07-31
|
1290 VT Micro Cap Portfolio |
5143 |
0.02% |
-- |
-- |
2021-05-31
|
The Vanguard Total Stock Market Index |
5200 |
0.02% |
-- |
-- |
2021-06-30
|
Cadence Capital Mgt - Emerging Companies |
394124 |
1.67% |
-6314 |
-1.58% |
2020-07-31
|
Pru Ret Small Cap Value/Kennedy SP |
144311 |
0.61% |
-76758 |
-34.72% |
2020-09-30
|
Kennedy Extended Small Cap |
397388 |
1.70% |
-153697 |
-27.89% |
2020-09-30
|
iShares Core S&P Total US Stock Mkt ETF |
13971 |
0.06% |
-- |
-- |
2020-11-27
|
Essex Inv Mgt Micro Cap Growth |
17704 |
0.08% |
-10309 |
-36.80% |
2020-09-30
|
AIG Small-Cap Fund |
49035 |
0.21% |
-- |
-- |
2020-08-31
|
AMG Managers Cadence Emerging Coms Fd |
261399 |
1.12% |
-12164 |
-4.45% |
2020-08-31
|
NT Extended Equity Market Idx Fund - NL |
8914 |
0.04% |
-- |
-- |
2020-03-31
|
Royce Low-Priced Stock Fund |
590400 |
2.62% |
-- |
-- |
2019-06-30
|
BNYM Mellon NSL Mkt Completion Fd Instl |
21298 |
0.09% |
4882 |
29.74% |
2019-09-30
|
NT Ext Equity Mkt Fd - DC - NL |
6378 |
0.03% |
464 |
7.85% |
2019-06-30
|
BNYM Mellon SL Mkt Completion Fd |
4988 |
0.02% |
172 |
3.57% |
2019-06-30
|
iShares Core Growth ETF Portfolio |
11497 |
0.05% |
176 |
1.55% |
2019-05-23
|
iShares Core MSCI AllCntry Wld exCan ETF |
11497 |
0.05% |
176 |
1.55% |
2019-05-23
|
iShares Core S&P US Total Market ETF |
11497 |
0.05% |
-- |
-- |
2019-05-30
|
iShares Core Balanced ETF Portfolio |
11497 |
0.05% |
176 |
1.55% |
2019-05-23
|
BNYM Mellon NSL Market Completion Fund |
16416 |
0.07% |
14920 |
997.33% |
2019-03-31
|
BNYM Mellon SL Market Completion Fund |
4816 |
0.02% |
-12136 |
-71.59% |
2019-03-31
|
NT US Market Cap Index Fund - Lending |
3820 |
0.02% |
-- |
-- |
2019-03-31
|
Herald Investment Trust |
200000 |
0.89% |
-- |
-- |
2018-06-30
|
SAST SA T. Rowe Price Asset Allc Gr Port |
1500 |
0.01% |
-- |
-- |
2019-01-31
|
NT Quality SCC US Fund - Non-Lending |
1316 |
0.01% |
-- |
-- |
2018-12-31
|
BNY Mellon Market Completion Fund |
1496 |
0.01% |
-3769 |
-71.59% |
2018-12-31
|
NT Quality SCC Global Fund - Non-Lending |
1316 |
0.01% |
-- |
-- |
2018-12-31
|
Invesco Wilshire Micro-Cap ETF |
4782 |
0.02% |
-- |
-- |
2019-01-31
|
Ivy VIP Micro Cap Growth |
80240 |
0.36% |
-42190 |
-34.46% |
2017-12-31
|
Ivy Micro Cap Growth Fund |
192260 |
0.86% |
-101232 |
-34.49% |
2017-12-31
|
Victory RS Science and Technology Fund |
444200 |
2.00% |
-- |
-- |
2017-12-31
|
Fidelity Spartan |
18931 |
0.09% |
-- |
-- |
2018-07-31
|
Vanguard Instl Ttl Stk Mkt Idx InstlPls |
29270 |
0.13% |
-- |
-- |
2018-07-31
|
Vanguard Extended Market Idx Inv |
176801 |
0.80% |
17000 |
10.64% |
2018-07-31
|
Vanguard Total Stock Mkt Idx |
417457 |
1.88% |
-- |
-- |
2018-07-31
|
Royce Low Priced Stock Svc |
446800 |
2.02% |
141800 |
46.49% |
2018-06-30
|
iShares Core S&P Total US Stock Mkt |
8613 |
0.04% |
-- |
-- |
2018-09-12
|
BNY Mellon EB DL Mkt Completion |
16360 |
0.07% |
-- |
-- |
2018-06-30
|
DFA US Core Equity 2 I |
13278 |
0.06% |
13278 |
-- |
2018-07-31
|
AXA/Lord Abbett Micro Cap K |
3616 |
0.02% |
-- |
-- |
2018-07-31
|
BNY Mellon Market Completion Fund UC1 |
5266 |
0.02% |
3750 |
247.36% |
2018-03-31
|
Wilshire Micro-Cap ETF |
5624 |
0.02% |
-- |
-- |
2018-09-14
|
Vanguard Balanced Index Inv |
7936 |
0.04% |
-- |
-- |
2018-07-31
|
iShares Micro-Cap |
42909 |
0.18% |
-- |
-- |
2018-09-12
|
DFA Tax-Managed US Small Cap |
8100 |
0.04% |
-- |
-- |
2018-07-31
|
Ivy Funds VIP Micro Cap Growth |
80240 |
0.37% |
-42190 |
-34.46% |
2017-12-31
|
Ivy Micro Cap Growth A |
192260 |
0.88% |
-101232 |
-34.49% |
2017-12-31
|
RS Technology A |
444200 |
2.04% |
-- |
-- |
2017-12-31
|
DFA US Small Cap Value II Portfolio |
5168 |
-- |
-- |
-- |
2015-09-30
|
Fidelity Spartan® Extended Mkt Indx Fd |
9000 |
0.10% |
-- |
-- |
2015-09-30
|
DFA U.S. Small Cap Portfolio |
11205 |
0.10% |
-- |
-- |
2015-09-30
|
DFA U.S. Micro Cap Portfolio |
11407 |
0.10% |
-4800 |
-29.60% |
2015-09-30
|
DFA U.S. Core Equity II Fund |
4618 |
-- |
-- |
-- |
2015-09-30
|
Fidelity Spartan® Total Market Idx Fund |
3126 |
-- |
-- |
-- |
2015-09-30
|
DFA U.S. Vector Equity Fund |
2692 |
-- |
-- |
-- |
2015-09-30
|
AXA/Lord Abbett Micro Cap Portfolio |
1507 |
-- |
-- |
-- |
2015-09-30
|
Wilshire 5000 Index Portfolio |
500 |
-- |
-- |
-- |
2015-09-30
|
Mellon Capital EB DL Mkt Completion Fund |
496 |
-- |
-- |
-- |
2015-09-30
|
The Vanguard - Total Stk Mkt Idx Trust. CF |
300 |
-- |
-- |
-- |
2015-09-30
|