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Institutional Cluster ·Filed Oct 23, 2026

ATR

APTARGROUP, INC.
NEUTRAL
Impact 3/10
Horizonweeks Processed3d 18h ago
Institutional cluster: 4 buyers, 1 sellers (bullish)
Actionable Insight • Neutral

The cluster is dominated by a single large exit, which may reflect a fund-level rebalancing rather than a thesis change. The four small buyers show modest conviction (adds of 25-58%). Monitor next 13F filing to see if the exit was idiosyncratic or if broader institutional selling follows.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+1d
ATR ▲ +0.41% at T+1d
NEUTRAL call +0.41% · α vs SPY -0.30% · entry $126.55 → $127.07
Next anchor: T+5d in 3d
Entry = T+0 close
Oct 23, 2026
via day close
T+1d
+0.41%
call +0.41% · α -0.30%
$127.07
settled yesterday
T+5d
Pending
in 3d
T+20d
Pending
in 24d
T+60d
Pending
in 3mo

Executive Summary

Four small asset managers added to their ATR positions in Q3 2026, collectively increasing holdings by $696K to $4.1M, while one larger manager, Assenagon Asset Management, fully exited a $12.5M position. The net institutional flow is negative ($11.8M outflow) due to the single large exit, but the buying cluster among smaller active managers suggests selective conviction at current levels.

Key Financial Metrics

Direction
mixed
Buy Value
$4.1M
Sell Value
$12.5M
Net Flow
-$11.8M

Institutional Positions

Net institutional flow: -$11.8M

▲ Buyers (4)

InstitutionActionChangePosition ValueValue Δ
Farther Finance AdvisorsADD+58.3%$58.0K$20.0K
Wealth Enhancement Advisory ServicesADD+25%$3.4M$488.0K
Nisa Investment AdvisorsADD+38.5%$129.0K$33.0K
Hb Wealth ManagementADD+50.4%$509.0K$155.0K

▼ Sellers (1)

InstitutionActionChangePrev ValueValue Δ
Assenagon Asset ManagementEXIT-100%$12.5M-$12.5M

Key Facts

  • 4 buyers added $696K in aggregate, bringing their total holdings to $4.1M
  • 1 seller (Assenagon) fully exited a $12.5M position, creating net outflow of $11.8M
  • All buyers are asset managers; no activist, quant, or family office funds participated
  • 13F data is as of quarter-end Q3 2026, with a 45-day reporting lag

Financial Impact

Net institutional outflow of approximately $11.8M, driven by a single full exit of a $12.5M position, partially offset by $696K in new buying from four smaller managers.

institutional ownershipfloat

Risk Factors

  • 13F data is stale (quarter-end); positions may have been unwound since
  • Single large seller dominates the signal; the buying cluster is small in dollar terms
  • No activist or high-conviction fund types present to reinforce the bullish thesis

Investment Themes

Materials & Mining

Documents Analyzed

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

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-ATR-2026-Q3
10 reports for ATR
Performance horizon
67% Hit rate @ T+20 2 of 3 directional calls Went positive at some point 3 of 3 best @ T+20▲ +5.21%Apr 30, 2026
Filters
Rows
Reports for ATR — sortable, filterable
TypeNow
Oct 23, 2026
3d ago
Institutional Cluster
NEUTRAL ★ 3/10
$126.55awaiting T+20——
Sep 21, 2026
5w ago
8-K
BEARISH ★ 4/10
$125.45 $125.77▼ −0.26%▼ −0.81%—
Sep 3, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$128.31 $121.16▼ −5.57%▼ −4.45%—
Sep 1, 2026
8w ago
8-K
NEUTRAL ★ 2/10
$130.92 $121.44▼ −7.24%▼ −8.42%—
Aug 5, 2026
11w ago
Insider Cluster
NEUTRAL ★ 3/10
$135.78 $128.31▼ −5.50%▼ −6.10%—
Aug 4, 2026
11w ago
Insider Cluster
NEUTRAL ★ 3/10
$136.18 $130.92▼ −3.86%▼ −2.62%—
Jul 17, 2026
14w ago
Court Ruling
BULLISH ★ 5/10
$129.45 $131.74▲ +1.77%▼ −2.35%—
Jun 10, 2026
19w ago
Insider Cluster
NEUTRAL ★ 2/10
$114.67 $124.45▲ +8.53%▲ +4.91%—
Apr 30, 2026
25w ago
8-K
BEARISH ★ 6/10
$118.55 $112.38▲ +5.21%▲ +10.47%—
Mar 27, 2026
30w ago
DEFA14A
NEUTRAL ★ 3/10
$121.51 $124.73▲ +2.65%▼ −10.09%—
Showing 10 of 10

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Report published Oct 23, 2026