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Institutional Cluster ·Filed Oct 12, 2026

LRCX

LAM RESEARCH CORP
MIXED
Impact 4/10
Horizonweeks Processed15d 2h ago
Institutional cluster: 69 buyers, 53 sellers (mixed)
Actionable Insight ◆ Mixed

The divergence between mega-passive accumulation and active quant/activist selling suggests the Q2 2026 price move was driven by index flows rather than fundamental conviction. Monitor upcoming earnings for any fundamental catalyst that could resolve this tension — if active managers were right to trim, the stock may face headwinds once passive buying subsides.

DirectionMixed
Confidencemedium
Horizonweeks
Latest settled — T+5d
LRCX ▼ -12.07% at T+5d
NEUTRAL call -12.07% · α vs SPY -10.58% · entry $309.56 → $272.20
Next anchor: T+20d in 13d
Latest observation: T+9 -13.51% FF3 residual α
Entry = T+0 close
Oct 12, 2026
via day close
T+1d
-2.73%
call -2.73% · α -2.72%
$301.11
settled 14d ago
T+5d
-12.07%
call -12.07% · α -10.58%
$272.20
settled 8d ago
T+20d
Pending
in 13d
T+60d
Pending
in 2mo

Executive Summary

Institutional activity in LRCX during Q2 2026 was mixed: 69 buyers added $16.65B in holdings (led by JPMorgan, Swedbank, and Wells Fargo), while 53 sellers trimmed $288M (notable exits by Third Point and near-exit by D.E. Shaw). The massive net buying is concentrated in mega-passive funds, suggesting index rebalancing or sector rotation rather than a fundamental thesis, while quant and activist funds trimmed or exited, creating a divergence between passive accumulation and active manager caution.

Key Financial Metrics

Direction
mixed
Buy Value
$25.6B
Net Flow
$16.4B

Institutional Positions

Net institutional flow: $16.4B

▲ Buyers (69)

InstitutionActionChangePosition ValueValue Δ
JPMorganADD+38.5%$18.6B$12.1B
Capital World InvestorsNEW+0%$112.5M$112.5M
T. Rowe PriceADD+85.8%$10.7M$7.8M
Wells FargoADD+42.2%$3.2B$2.1B
RenTechDOUBLED+827.8%$13.7M$13.0M
CitadelADD+27.5%$615.8M$377.6M
Susquehanna International GroupADD+46.2%$582.2M$385.9M
Jane Street GroupADD+59.9%$484.7M$335.3M
Swedbank AbADD+29.6%$2.0B$1.3B
Ninety One UkNEW+0%$17.4M$17.4M

▼ Sellers (53)

InstitutionActionChangePrev ValueValue Δ
Capital GroupTRIM-34.6%$556.4M-$181.4M
Third PointEXIT-100%$16.0M-$16.0M
BridgewaterTRIM-40.3%$335.7M-$70.9M
D.E. ShawNEAR_EXIT-78.2%$202.3M-$112.8M
MillenniumTRIM-56.2%$339.4M-$37.6M
Merit Financial GroupTRIM-32.9%$24.0M-$8.7M
Benjamin EdwardsTRIM-26.9%$28.0M-$13.5M
Erste Asset ManagementTRIM-26.3%$179.8M-$86.4M
Parnassus InvestmentsTRIM-29.2%$56.0M-$24.4M
Eurizon Capital Sgr S.p.a.TRIM-36.2%$228.6M-$69.3M

Key Facts

  • 69 institutional buyers added $16.65B in aggregate LRCX holdings; 53 sellers reduced by $288M
  • JPMorgan added 12.60M shares (+38.5%), increasing its position value by $12.08B to $18.62B
  • T. Rowe Price added 11.36M shares (+85.8%), but value change was only $7.8M — likely data anomaly
  • Third Point fully exited a 75K-share position worth $16.0M
  • D.E. Shaw cut 78.2% of its position, reducing value by $112.8M
  • Renaissance Technologies doubled its tiny position (+827.8%) from $728K to $13.7M
  • Active quant funds (Bridgewater, Millennium, D.E. Shaw) were net sellers; mega-passive funds (JPMorgan, Wells Fargo) were net buyers

Financial Impact

69 buyers accumulated $16.65B in new LRCX holdings while 53 sellers reduced by $288M, for a net institutional inflow of approximately $16.36B

institutional ownershipfloat

Risk Factors

  • 13F data is 45+ days stale; positions may have been unwound or adjusted since quarter-end
  • Mega-passive buying (JPMorgan, Wells Fargo) may reflect index rebalancing, not stock-specific conviction
  • Active quant selling (D.E. Shaw, Millennium, Bridgewater) suggests caution on valuation or fundamentals

Investment Themes

Documents Analyzed

This report is based on 1 institutional 13F filing from SEC EDGAR.

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-LRCX-2026-Q2
11 reports for LRCX
Performance horizon
67% Hit rate @ T+1 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+60▲ +21.28%Apr 22, 2026
Filters
Rows
Reports for LRCX — sortable, filterable
TypeNow
Oct 21, 2026
5d ago
8-K
BULLISH ★ 7/10
$230.15 $230.10▼ −0.02%▲ +0.50%—
Oct 16, 2026
10d ago
Institutional Cluster
MIXED ★ 3/10
$263.94 $272.20▲ +3.13%▲ +2.71%—
Oct 15, 2026
12d ago
Court Ruling
BULLISH ★ 4/10
$263.94 $272.20▲ +3.13%▲ +2.71%—
Oct 12, 2026
15d ago
Institutional Cluster
MIXED ★ 4/10
$309.56 $301.11▼ −2.73%▼ −2.72%—
Sep 30, 2026
26d ago
Press Release
NEUTRAL ★ 1/10
$340.10 $347.49▲ +2.17%▲ +1.43%—
Sep 24, 2026
4w ago
DEFA14A
NEUTRAL ★ 2/10
$315.08 $314.39▼ −0.22%▲ +0.52%—
Sep 10, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$298.01 $298.22▲ +0.07%▼ −0.78%—
Sep 10, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$298.01 $298.22▲ +0.07%▼ −0.78%—
Sep 3, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$292.66 $307.65▲ +5.12%▲ +5.51%—
Apr 27, 2026
26w ago
Insider Cluster
NEUTRAL ★ 2/10
$259.38 $251.00▼ −3.23%▼ −2.75%—
Showing 10 of 11

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Report published Oct 12, 2026