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Institutional Cluster

XFOR

X4 Pharmaceuticals, Inc
NEUTRAL
Impact 3/10
Horizonweeks Processed4mo ago
Institutional cluster: 5 buyers, 0 sellers (bullish)
Actionable Insight • Neutral

The cluster is entirely passive/index-driven, likely reflecting XFOR's inclusion in a new Russell or other index during the quarterly reconstitution. This does not signal a fundamental catalyst. Monitor for any active manager 13F filings in the coming weeks to gauge genuine institutional conviction. The stock's 89% analyst bullish consensus suggests potential upside, but passive buying alone is not a directional catalyst.

DirectionNeutral
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d ⚠ clustered
XFOR ▲ +4.12% at T+60d
NEUTRAL call +4.12% · α vs SPY -0.27% · entry $3.88 → $4.04
Entry = T+0 close
Jun 11, 2026
via day close
T+1d
+3.09%
call +3.09% · α +2.55%
$4.00
settled 5mo ago
T+5d
+4.38%
call +4.38% · α +3.95%
$4.05
settled 4mo ago
T+20d
+2.06%
call +2.06% · α +0.17%
$3.96
settled 4mo ago
T+60d
+4.12%
call +4.12% · α -0.27%
$4.04
settled 7w ago

Executive Summary

Five major institutional investors (Vanguard, BlackRock, State Street, Fidelity, Morgan Stanley) collectively added $84.5M in new XFOR positions during Q4 2025, with Fidelity and Morgan Stanley initiating large new stakes. The cluster is entirely passive/index-driven, reflecting likely index rebalancing or inclusion in a new benchmark rather than an active fundamental thesis.

Key Financial Metrics

Direction
accumulating
Buy Value
$86.2M
Net Flow
$84.5M

Institutional Positions

Net institutional flow: $84.5M

▲ Buyers (5)

InstitutionActionChangePosition ValueValue Δ
FidelityNEW—$34.0M$34.0M
Morgan StanleyDOUBLED+220072.1%$32.8M$32.8M
VanguardDOUBLED+734.1%$13.7M$12.3M
BlackRockDOUBLED+1880.8%$4.9M$4.7M
State StreetDOUBLED+411.8%$793.0K$660.0K

Key Facts

  • 5 institutional buyers added $84.5M in net new XFOR holdings during Q4 2025
  • Fidelity initiated a new $34.0M position (8.50M shares)
  • Morgan Stanley initiated a new $32.8M position (8.21M shares)
  • Vanguard doubled its position to $13.7M (3.42M shares)
  • BlackRock doubled its position to $4.9M (1.23M shares)
  • State Street doubled its position to $793K (198.2K shares)
  • All five buyers are mega-passive/index fund managers — no active hedge funds or activists involved
  • Zero institutional sellers in the cluster

Financial Impact

5 institutions accumulated $84.5M in new XFOR positions during Q4 2025, with total current holdings of $86.2M

institutional ownershipfloat

Risk Factors

  • 13F data is 45+ days stale — positions may have been partially or fully unwound since quarter-end
  • Passive buying provides no fundamental thesis or catalyst signal
  • Small market cap ($352M) means even modest passive inflows can create outsized price moves that may reverse

Market Snapshot

Exchange
Nasdaq
Sector
Biological Products, (No Diagnostic Substances)
Analyst Consensus
89% bullish (9 analysts)

Investment Themes

Documents Analyzed

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

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-XFOR-2025-Q4
15 reports for XFOR
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for XFOR — sortable, filterable
TypeNow
Oct 8, 2026
18d ago
8-K
MIXED ★ 6/10
$2.91awaiting T+20——
Oct 7, 2026
19d ago
SC 13G/A
NEUTRAL ★ 3/10
$2.81awaiting T+20——
Oct 1, 2026
25d ago
144
NEUTRAL ★ 2/10
$2.83awaiting T+20——
Sep 21, 2026
5w ago
SC 13G
NEUTRAL ★ 4/10
$3.43 $3.02▼ −11.95%▼ −11.39%—
Sep 8, 2026
6w ago
8-K
BULLISH ★ 6/10
$3.51 $2.77▼ −20.97%▼ −22.68%—
Aug 13, 2026
10w ago
Insider Cluster
NEUTRAL ★ 2/10
$4.22 $3.62▼ −14.22%▼ −12.23%—
Aug 13, 2026
10w ago
144
NEUTRAL ★ 2/10
$4.29 $3.50▼ −18.41%▼ −16.67%—
Jun 11, 2026
19w ago
Institutional Cluster
NEUTRAL ★ 2/10
$3.88 $3.96▲ +2.06%▲ +0.17%—
Jun 11, 2026
19w ago
Institutional Cluster
NEUTRAL ★ 3/10
$3.88 $3.96▲ +2.06%▲ +0.17%—
May 18, 2026
23w ago
EFFECT
NEUTRAL ★ 4/10
$3.68 $4.04▲ +9.78%▲ +8.20%—
Showing 10 of 15

US Market Status

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Report published Jun 11, 2026