DIMETRICS
M
Micron Technology
MU · Memory
$904.28
-78.84 (-8.02%)
As of Jul 15, 2026 close
Institutional Ownership — Q1 2026 (filed through May 29)
Institutional Holders
2954
+287 vs Q4 2025
Shares Held
842.7M
-39.5M QoQ
% of Shares Out
27.0%
305.1M held with sole discretion
Value Held
$762.0B
at $904.28 · Jul 15, 2026 close
5%+ Owners
1
via 13G/13D
% of Shares Out counts only shares held with sole investment discretion. Where two managers share discretion, Form 13F requires each to report the full position, so summing every filer exceeds 100% of shares outstanding for widely-held names.
Holder Map
Block size ∝ position · color = QoQ change
Whale Activity — Q1 2026 Filings
Increased1,221
Decreased1,013
New position505
Closed218
Institutional Shares Held by Quarter
Holders
Sortable · search holders
Source
% of Shrs Out
Period
BlackRock, Inc.13F
103,147,586
+2,446,043
+2.4%
$34.8B
9.1%
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC13F
73,137,283
+73,137,283
new
$24.7B
6.5%
Mar 31, 2026
STATE STREET CORP13F
52,239,483
-510,334
-1.0%
$17.7B
4.6%
Mar 31, 2026
Capital World Investors13F
42,054,392
-16,194,733
-27.8%
$14.2B
3.7%
Mar 31, 2026
FMR LLC13F
32,054,565
-7,541,773
-19.0%
$10.8B
2.8%
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC13F
27,432,757
+1,434,988
+5.5%
$9.2B
2.4%
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC13F
23,024,614
+23,024,614
new
$7.8B
2.0%
Mar 31, 2026
PRIMECAP MANAGEMENT CO/CA/13F
21,874,204
-2,920,732
-11.8%
$7.4B
1.9%
Mar 31, 2026
MORGAN STANLEY13F
16,842,006
+445,351
+2.7%
$5.7B
1.5%
Mar 31, 2026
JPMORGAN CHASE & CO13F
15,775,296
+2,621,597
+19.9%
$5.1B
1.4%
Mar 31, 2026
GOLDMAN SACHS GROUP INC13F
12,561,670
+3,638,094
+40.8%
$4.2B
1.1%
Mar 31, 2026
Invesco Ltd.13F
12,060,685
+2,283,446
+23.4%
$4.1B
1.1%
Mar 31, 2026
SG Americas Securities, LLC13F
10,582,752
+6,299,989
+147.1%
$3.6B
0.9%
Mar 31, 2026
NORTHERN TRUST CORP13F
10,399,487
-254,862
-2.4%
$3.5B
0.9%
Mar 31, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC13F
9,594,813
+747,739
+8.5%
$3.2B
0.8%
Mar 31, 2026
Capital International Investors13F
8,931,615
-13,124,772
-59.5%
$3.0B
0.8%
Mar 31, 2026
BANK OF AMERICA CORP /DE/13F
8,038,287
-455,598
-5.4%
$2.7B
0.7%
Mar 31, 2026
BARCLAYS PLC13F
7,774,892
-901,596
-10.4%
$2.6B
0.7%
Mar 31, 2026
Bank of New York Mellon Corp13F
7,441,161
-613,942
-7.6%
$2.5B
0.7%
Mar 31, 2026
Legal & General Group Plc13F
7,365,733
+165,580
+2.3%
$2.5B
0.7%
Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC13F
6,984,665
+11,273
+0.2%
$2.4B
0.6%
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP13F
6,967,065
+86,488
+1.3%
$2.4B
0.6%
Mar 31, 2026
VAN ECK ASSOCIATES CORP13F
6,424,047
-1,292,157
-16.7%
$2.2B
0.6%
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO13F
6,334,208
+6,334,208
new
$2.1B
0.6%
Mar 31, 2026
UBS Group AG13F
6,048,920
-2,345,247
-27.9%
$2.0B
0.5%
Mar 31, 2026
Amundi13F
5,970,808
+981,408
+19.7%
$2.0B
0.5%
Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/13F
5,338,563
-513,486
-8.8%
$1.8B
0.5%
Mar 31, 2026
HSBC HOLDINGS PLC13F
5,273,783
+1,545,226
+41.4%
$1.8B
0.5%
Mar 31, 2026
CITIGROUP INC13F
4,760,739
+260,236
+5.8%
$1.6B
0.4%
Mar 31, 2026
DEUTSCHE BANK AG\13F
4,670,917
+121,036
+2.7%
$1.6B
0.4%
Mar 31, 2026
BNP PARIBAS FINANCIAL MARKETS13F
4,668,207
-284,779
-5.7%
$1.6B
0.4%
Mar 31, 2026
CITADEL ADVISORS LLC13F
4,596,372
+1,544,097
+50.6%
$1.6B
0.4%
Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC13F
4,523,415
+989,275
+28.0%
$1.5B
0.4%
Mar 31, 2026
NATIONAL BANK OF CANADA /FI/13F
4,323,263
+901,463
+26.3%
$1.5B
0.4%
Mar 31, 2026
Capital Research Global Investors13F
4,156,259
-3,443,362
-45.3%
$1.4B
0.4%
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP13F
3,919,727
+355,036
+10.0%
$1.3B
0.3%
Mar 31, 2026
JANUS HENDERSON GROUP PLC13F
3,881,507
+634,689
+19.5%
$1.3B
0.3%
Mar 31, 2026
D. E. Shaw & Co., Inc.13F
3,658,476
+315,857
+9.4%
$1.2B
0.3%
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP13F
3,626,163
+2,442,154
+206.3%
$1.2B
0.3%
Mar 31, 2026
Swiss National Bank13F
3,303,100
+227,200
+7.4%
$1.1B
0.3%
Mar 31, 2026
AMERIPRISE FINANCIAL INC13F
3,291,109
+1,672,011
+103.3%
$1.1B
0.3%
Mar 31, 2026
Nuveen, LLC13F
3,265,420
-212,846
-6.1%
$1.1B
0.3%
Mar 31, 2026
California Public Employees Retirement System13F
3,188,608
+1,008,116
+46.2%
$1.1B
0.3%
Mar 31, 2026
Sumitomo Mitsui Trust Group, Inc.13F
3,084,266
-401,636
-11.5%
$1.0B
0.3%
Mar 31, 2026
BANK OF MONTREAL /CAN/13F
2,928,537
+289,399
+11.0%
$989.4M
0.3%
Mar 31, 2026
National Pension Service13F
2,876,052
-175,714
-5.8%
$971.6M
0.3%
Mar 31, 2026
Boston Partners13F
2,802,923
-727,188
-20.6%
$951.4M
0.2%
Mar 31, 2026
ROYAL BANK OF CANADA13F
2,708,400
-311,248
-10.3%
$915.0M
0.2%
Mar 31, 2026
Mitsubishi UFJ Asset Management Co., Ltd.13F
2,655,682
+184,349
+7.5%
$897.2M
0.2%
Mar 31, 2026
CANADA PENSION PLAN INVESTMENT BOARD13F
2,611,344
+627,635
+31.6%
$882.2M
0.2%
Mar 31, 2026
Page 1 of 20
Derivatives Institutional Owners
13F put/call positions · excluded from ownership totals
Type
Period
JANE STREET GROUP, LLCPut
29,928,700
+13,912,400
+86.9%
$10.1B
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPPut
21,332,200
+5,129,500
+31.7%
$7.2B
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPCall
20,303,900
+7,388,000
+57.2%
$6.9B
Mar 31, 2026
CITADEL ADVISORS LLCPut
16,716,000
+4,435,300
+36.1%
$5.6B
Mar 31, 2026
JANE STREET GROUP, LLCCall
12,985,900
+5,385,200
+70.9%
$4.4B
Mar 31, 2026
CITADEL ADVISORS LLCCall
10,317,400
+2,266,700
+28.2%
$3.5B
Mar 31, 2026
NOMURA HOLDINGS INCPut
5,700,200
+4,256,300
+294.8%
$1.9B
Mar 31, 2026
GOLDMAN SACHS GROUP INCCall
3,240,600
+2,072,800
+177.5%
$1.1B
Mar 31, 2026
UBS Group AGPut
2,515,784
+893,278
+55.1%
$849.9M
Mar 31, 2026
BARCLAYS PLCPut
2,016,800
+1,006,500
+99.6%
$681.4M
Mar 31, 2026
HSBC HOLDINGS PLCPut
1,943,400
+1,665,400
+599.1%
$642.6M
Mar 31, 2026
PEAK6 LLCPut
1,879,200
+244,300
+14.9%
$634.9M
Mar 31, 2026
MILLENNIUM MANAGEMENT LLCPut
1,819,700
+416,300
+29.7%
$614.8M
Mar 31, 2026
Situational Awareness LPPut
1,727,700
+1,727,700
new
$583.7M
Mar 31, 2026
PEAK6 LLCCall
1,570,900
-10,400
-0.7%
$530.7M
Mar 31, 2026
UBS Group AGCall
1,533,026
+488,126
+46.7%
$517.9M
Mar 31, 2026
ADAPT Investment Managers SAPut
1,360,500
-139,500
-9.3%
$459.6M
Mar 31, 2026
MILLENNIUM MANAGEMENT LLCCall
1,332,600
+473,900
+55.2%
$450.2M
Mar 31, 2026
D. E. Shaw & Co., Inc.Put
1,308,700
-632,700
-32.6%
$442.1M
Mar 31, 2026
Walleye Trading LLCCall
1,287,700
+236,000
+22.4%
$435.0M
Mar 31, 2026
Walleye Trading LLCPut
1,278,100
-375,500
-22.7%
$431.8M
Mar 31, 2026
Situational Awareness LPCall
1,250,000
+1,250,000
new
$422.3M
Mar 31, 2026
Squarepoint Ops LLCPut
1,185,000
-90,300
-7.1%
$400.3M
Mar 31, 2026
TORONTO DOMINION BANKPut
1,010,000
+950,000
+1583.3%
$341.2M
Mar 31, 2026
GOLDMAN SACHS GROUP INCPut
862,000
-130,300
-13.1%
$291.2M
Mar 31, 2026
D. E. Shaw & Co., Inc.Call
848,200
-28,300
-3.2%
$286.6M
Mar 31, 2026
Value Aligned Research Advisors, LLCCall
718,600
+0
+0.0%
$242.8M
Mar 31, 2026
CAPITAL FUND MANAGEMENT S.A.Put
697,100
-460,700
-39.8%
$235.5M
Mar 31, 2026
Oak Grove Capital LLCCall
683,200
-97,800
-12.5%
$230.8M
Mar 31, 2026
TUDOR INVESTMENT CORP ET ALPut
647,400
+253,700
+64.4%
$218.7M
Mar 31, 2026
BANK OF MONTREAL /CAN/Put
592,800
-225,400
-27.5%
$200.3M
Mar 31, 2026
Squarepoint Ops LLCCall
553,400
+94,800
+20.7%
$187.0M
Mar 31, 2026
Qube Research & Technologies LtdPut
510,100
-817,400
-61.6%
$172.3M
Mar 31, 2026
Jain Global LLCPut
504,700
+286,200
+131.0%
$170.5M
Mar 31, 2026
Hudson Bay Capital Management LPPut
500,000
+500,000
new
$168.9M
Mar 31, 2026
BARCLAYS PLCCall
497,000
-118,500
-19.3%
$167.9M
Mar 31, 2026
CastleKnight Management LPCall
482,500
+52,500
+12.2%
$163.0M
Mar 31, 2026
Parallax Volatility Advisers, L.P.Put
420,600
-182,600
-30.3%
$142.1M
Mar 31, 2026
CAPSTONE INVESTMENT ADVISORS, LLCPut
418,100
+116,400
+38.6%
$141.3M
Mar 31, 2026
CREDIT AGRICOLE S APut
385,000
+205,000
+113.9%
$130.1M
Mar 31, 2026
Qube Research & Technologies LtdCall
364,300
-155,700
-29.9%
$123.1M
Mar 31, 2026
LMR Partners LLPPut
354,800
+354,100
+50585.7%
$119.9M
Mar 31, 2026
Balyasny Asset Management L.P.Call
314,600
+183,200
+139.4%
$106.3M
Mar 31, 2026
Point72 Asset Management, L.P.Call
266,700
-161,000
-37.6%
$90.1M
Mar 31, 2026
TUDOR INVESTMENT CORP ET ALCall
264,800
-150,200
-36.2%
$89.5M
Mar 31, 2026
CAPITAL FUND MANAGEMENT S.A.Call
259,000
-287,300
-52.6%
$87.5M
Mar 31, 2026
Point72 Asset Management, L.P.Put
253,600
-107,000
-29.7%
$85.7M
Mar 31, 2026
T3 Companies, LLCCall
231,500
+231,500
new
$902.2K
Mar 31, 2026
HSBC HOLDINGS PLCCall
223,800
+300
+0.1%
$74.6M
Mar 31, 2026
NOMURA HOLDINGS INCCall
214,100
+31,000
+16.9%
$72.3M
Mar 31, 2026
Page 1 of 4
Ownership Events — 13G / 13D
Event-driven, scanned daily
Capital World Investors falls below 5% (from 5.2%)
Schedule 13G/A · position exited
13G/AMay 14, 2026
Vanguard Capital Management crosses 5.0%
Initial Schedule 13G · 84,297,629 shares reported
13GApr 30, 2026
Capital World Investors reports 5.2% (from 6.3%)
Schedule 13G/A · amendment
13G/AFeb 13, 2026
Capital World Investors crosses 5.0%
Initial Schedule 13G · 71,003,502 shares reported
13GAug 13, 2025
BlackRock Inc. reports —%
Schedule 13G/A · amendment
13G/AFeb 13, 2024
VANGUARD GROUP INC reports —%
Schedule 13G/A · amendment
13G/AFeb 13, 2024
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Capital Research Global Investors 95-1411037 2. falls below 5% (from 5.9%)
Schedule 13G/A · position exited
13G/AFeb 9, 2024
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Capital Research Global Investors 95-1411037 2. crosses 5.0%
Initial Schedule 13G · 64,749,634 shares reported
13GFeb 13, 2023
VANGUARD GROUP INC reports —%
Schedule 13G/A · amendment
13G/AFeb 9, 2023
BlackRock Inc. reports —%
Schedule 13G/A · amendment
13G/AFeb 3, 2023
Quarterly holdings from SEC Form 13F-HR structured data sets (filed within 45 days of quarter end); 5%+ ownership events from Schedule 13G/13D filings scanned daily via EDGAR. Each row links to the source filing. Est. Avg Cost is a rolling-average estimate — each quarter's added shares priced at that quarter's 13F value ÷ shares, split-adjusted, with history beginning 2024-Q2; positions with one quarter of history or a data-quality flag show “—”.