Institutional Cluster

SMMT

Summit Therapeutics Inc.
NEUTRAL
Impact 3/10
Horizonweeks Processed3mo ago
Institutional cluster: 3 buyers, 0 sellers (bullish)
Actionable Insight • Neutral

The buying is entirely passive/index-driven, not active manager conviction — likely reflecting SMMT's inclusion in or rebalancing within major indices. With historical reports on SMMT showing 0% win rate at T+20 and avg -19% returns, treat this as a neutral data point. Monitor for any active manager 13F filings in the coming weeks that could signal genuine conviction.

DirectionNeutral
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d
SMMT ▲ +34.59% at T+60d
NEUTRAL call ✓ call won +34.59% · α vs SPY +30.20% · entry $13.08 → $17.61
Entry anchored
Jun 10, 03:59 PM ET
via exchange tick
T+1d
+7.11%
call +7.11% · α +6.57%
$14.01
settled 4mo ago
T+5d
+7.57%
call +7.57% · α +7.14%
$14.07
settled 4mo ago
T+20d
+18.35%
call +18.35% · α +16.46%
$15.48
settled 3mo ago
T+60d
+34.59%
call +34.59% · α +30.20%
$17.61
settled 24d ago

Executive Summary

Three mega-passive institutional investors (Vanguard, State Street, Morgan Stanley) collectively added $122.6M to their SMMT positions in Q3 2025, with Morgan Stanley doubling its stake. The cluster is entirely passive/index-driven, not active manager conviction, and the 45-day reporting lag means positions may have been adjusted since quarter-end. Historical reports on SMMT have underperformed significantly (0% win rate at T+20, avg -19%), suggesting caution despite the buying.

Key Financial Metrics

Direction
accumulating
Buy Value
$406.4M
Sell Value
$0.00
Net Flow
$122.6M

Institutional Positions

Net institutional flow: $122.6M

▲ Buyers (3)

InstitutionActionChangePosition ValueValue Δ
VanguardADD+31.2%$235.1M$50.5M
State StreetADD+58.3%$131.4M$45.9M
Morgan StanleyDOUBLED+200.1%$39.8M$26.1M

Key Facts

  • 3 institutional buyers added $122.6M net in Q3 2025, with zero sellers
  • All three buyers are mega-passive/index funds (Vanguard, State Street, Morgan Stanley)
  • Morgan Stanley doubled its position (+200.1%, from $13.7M to $39.8M)
  • Vanguard added $50.5M (+31.2% shares) and State Street added $45.9M (+58.3% shares)
  • Total current holdings from these three funds: $406.4M
  • Historical SMMT reports show 0% win rate at T+20 with avg -19% return

Financial Impact

Three passive funds accumulated $122.6M in new SMMT positions during Q3 2025, bringing combined holdings to $406.4M

institutional ownershipfloat

Risk Factors

  • 45-day reporting lag means positions may have been unwound since quarter-end
  • All buyers are passive/index funds — no active manager conviction signal
  • Historical SMMT reports have significantly underperformed (0% win rate, avg -19% T+20)
  • 13F data does not capture short positions or derivatives

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
67% bullish (24 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-SMMT-2025-Q3
16 reports for SMMT
Performance horizon
73% Hit rate 8 of 11 directional calls best @ T+60▲ +23.34%Jun 12, 2026
Filters
Rows
Reports for SMMT — sortable, filterable
TypeNow
Sep 15, 2026
17d ago
8-K
BULLISH ★ 7/10
$17.40 $17.85▲ +2.59%▲ +1.77%—
Sep 14, 2026
18d ago
8-K
BULLISH ★ 7/10
$18.42 $16.90▼ −8.25%▼ −8.36%—
Sep 3, 2026
29d ago
8-K
BULLISH ★ 6/10
$17.13 $17.55▲ +2.45%▲ +3.60%—
Aug 26, 2026
5w ago
8-K
BULLISH ★ 7/10
$14.23 $14.60▲ +2.60%▲ +2.72%—
Aug 5, 2026
8w ago
8-K
BULLISH ★ 6/10
$13.53 $15.10▲ +11.60%▲ +11.25%—
Jul 22, 2026
10w ago
8-K
BULLISH ★ 7/10
$14.74 $12.80▼ −13.16%▼ −10.76%—
Jun 12, 2026
16w ago
Insider Cluster
BULLISH ★ 6/10
$14.01 $13.75▼ −1.86%▼ −2.53%—
Jun 12, 2026
16w ago
Institutional Cluster
MIXED ★ 4/10
$14.01 $13.75▼ −1.86%▼ −2.53%—
Jun 11, 2026
16w ago
Institutional Cluster
NEUTRAL ★ 3/10
$13.08 $14.07▲ +7.57%▲ +7.14%—
Jun 9, 2026
16w ago
S-3ASR
BEARISH ★ 7/10
$13.05 $13.88▼ −6.36%▼ −2.93%—
Showing 10 of 16

US Market Status

Market Closed — Opens Mon (37h 46m)

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Report published Jun 11, 2026