Institutional Cluster

WMS

ADVANCED DRAINAGE SYSTEMS, INC.
MIXED
Impact 5/10
Horizonweeks Processed1mo ago
Institutional cluster: 39 buyers, 39 sellers (mixed)
Actionable Insight ◆ Mixed

The mixed institutional response to a strong earnings beat suggests the market is pricing in uncertainty about demand sustainability and the pull-forward dynamic. Monitor for any insider buying or further institutional accumulation in the next 13F cycle to confirm conviction. The absence of insider buying alongside the Norges Bank new stake creates a tension that warrants caution.

DirectionMixed
Confidencemedium
Horizonweeks
Latest settled — T+20d
WMS ▼ -8.92% at T+20d
NEUTRAL call ✗ call lost -8.92% · α vs SPY -9.15% · entry $141.46 → $128.84
Next anchor: T+60d in 7w
Latest observation: T+24 -3.36% FF3 residual α
Entry anchored
Aug 26, 2026
via day open
T+1d
-1.87%
call -1.87% · α -2.53%
$138.81
settled 5w ago
T+5d
-6.24%
call -6.24% · α -6.11%
$132.64
settled 4w ago
T+20d
-8.92%
call -8.92% · α -9.15%
$128.84
settled 8d ago
T+60d
—
call — · α —
—
in 7w

Executive Summary

A mixed institutional cluster in WMS for Q2 2026 shows 39 buyers accumulating $297.2M in new positions, led by a massive $204.6M new stake from Norges Bank, while 39 sellers reduced holdings by $189.9M, led by Pictet trimming $125.3M and Mediolanum exiting $28.0M. The cluster follows a strong Q1 FY2027 earnings beat (revenue +20.6% YoY, EPS beat by 17.4%) reported 20 days ago, but the near-equal split between buyers and sellers suggests divergent views on the sustainability of the pull-forward-driven results and the cautious demand outlook. The absence of insider buying weakens the conviction signal from the buying side.

Key Financial Metrics

Direction
mixed
Buy Value
$397.1M
Net Flow
$107.3M

Institutional Positions

Net institutional flow: $107.3M

▲ Buyers (39)

InstitutionActionChangePosition ValueValue Δ
Norges BankNEW—$204.6M$204.6M
Swedbank AbDOUBLED+148.9%$64.5M$41.8M
Goldman SachsADD+42%$100.7M$38.7M

▼ Sellers (39)

InstitutionActionChangePrev ValueValue Δ
Pictet Asset Management HoldingTRIM-48.8%$302.3M-$125.3M
Mediolanum International FundsEXIT-100%$28.0M-$28.0M
Jane Street GroupNEAR_EXIT-95.1%$13.5M-$12.7M

Key Facts

  • 39 buyers added $297.2M in new WMS positions, led by Norges Bank ($204.6M new stake) and Swedbank ($41.8M addition)
  • 39 sellers reduced holdings by $189.9M, led by Pictet ($125.3M trim) and Mediolanum ($28.0M full exit)
  • Cluster follows a strong Q1 FY2027 earnings beat (revenue $1.001B, +20.6% YoY; Adj. EPS $2.49 vs $2.12 consensus) reported 20 days ago
  • No open-market insider buying in the window, weakening the conviction of the buying cluster
  • Net institutional activity is roughly balanced: $297.2M bought vs $189.9M sold

Financial Impact

Institutional cluster shows $297.2M in new buying vs $189.9M in selling, for a net inflow of approximately $107.3M across 78 funds

institutional ownershipfloat turnover

Risk Factors

  • Earnings beat may have been inflated by pull-forward sales ahead of price increases, which could reverse in subsequent quarters
  • Management's cautious demand outlook and inflationary pressure commentary tempers the bullish earnings narrative
  • No insider buying corroborates the institutional buying cluster, reducing signal conviction

Market Snapshot

Exchange
NYSE
Sector
Plastics Foam Products
Analyst Consensus
94% bullish (16 analysts)

Documents Analyzed

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

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-WMS-2026-Q2
5 reports for WMS
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for WMS — sortable, filterable
TypeNow
Aug 26, 2026
5w ago
Institutional Cluster
MIXED ★ 5/10
$141.46 $128.84▼ −8.92%▼ −9.15%—
Aug 6, 2026
8w ago
8-K
BULLISH ★ 7/10
$148.45 $134.83▼ −9.17%▼ −9.77%—
Jun 18, 2026
15w ago
8-K
NEUTRAL ★ 4/10
$147.12 $151.28▲ +2.83%▲ +2.29%—
May 21, 2026
19w ago
8-K
NEUTRAL ★ 3/10
$132.81 $139.13▲ +4.76%▲ +6.18%—
May 21, 2026
19w ago
8-K
MIXED ★ 6/10
$135.15 $140.97▲ +4.30%▲ +3.97%—
Showing 5 of 5

US Market Status

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Report published Aug 26, 2026