Latest Period
Q1 2026
Security Snapshot
LAM RESEARCH CORP - PUT Institutional Ownership
CUSIP: 512807956
13F Institutional Holders and Ownership History from Q4 2024 to Q1 2026
Institutions Reporting
1
Shares (Excl. Options)
144,100
Price
$213.66
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- Security type / class
- Equity / PUT
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 144,100
- Total 13F value
- $30,788,000
- Portfolio coverage rank
- 0%
- Share change
- +107,200
- Value change
- +$22,904,050
- Number of holders
- 1
- SEC-reported price per share
- $213.66
Latest holder snapshot
4 signals
Issuer context
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- 512807956 - LAM RESEARCH CORP - PUT is tracked under CUSIP 512807956.
- 1 institution reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 1 to 1 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $6,316,000 to $30,788,000.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 1 institution filings for Q1 2026.
Security key
512807956
Latest holder period
Q1 2026
13F holders
1
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 512807956:
As of 31 Mar 2026, 1 institutional investors reported holding 144,100 shares of LAM RESEARCH CORP - PUT.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
6
Latest
Q1 2026
Rows shown
1-6 of 6
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 144,100 | $30,788,000 | +$22,904,050 | $213.66 | 1 |
| 2025 Q4 | 36,900 | $6,316,000 | -$6,016,571 | $171.18 | 1 |
| 2025 Q3 | 72,050 | $9,648,669 | +$6,841,722 | $133.90 | 2 |
| 2025 Q2 | 20,950 | $2,051,222 | -$2,299,008 | $97.34 | 2 |
| 2025 Q1 | 44,700 | $3,249,000 | +$3,249,000 | $72.70 | 1 |
| 2024 Q4 | $72.23 | 0 |