APLS Apellis Pharmaceuticals, Inc.

MIXED Impact: 6/10 Institutional Cluster
Horizon weeks Processed 1mo ago
Institutional cluster: 2 buyers, 3 sellers (mixed)
Latest settled — T+20d
APLS ▲ +141.31% at T+20d
NEUTRAL call ✓ call won +141.31% · α vs SPY +128.57% · entry $16.97 → $40.95
Next anchor: T+60d in 4w
Latest observation: T+34 +97.47% FF3 residual α
Entry anchored
Mar 26, 03:59 PM ET
via Databento tick
T+1d
+0.71%
call +0.71% · α +1.06%
$17.09
settled 8w ago
T+5d
+139.42%
call +139.42% · α +135.56%
$40.63
settled 7w ago
T+20d
+141.31%
call +141.31% · α +128.57%
$40.95
settled 27d ago
T+60d
call — · α —
in 4w

Executive Summary

In Q4 2024, Apellis Pharmaceuticals (APLS) saw a mixed institutional cluster: two mega-passive firms (UBS and Morgan Stanley) significantly increased holdings by $282.5M, while three institutions (Wells Fargo, RenTech, Citadel) reduced positions by $8.8M. The divergence suggests conflicting views on valuation or upcoming catalysts.

Key Financial Metrics

Direction
mixed
Buy Value
$282.5M
Sell Value
$8.8M
Net Flow
$273.7M

Institutional Positions

Net institutional flow: $273.7M

▲ Buyers (2)

InstitutionActionChangePosition ValueValue Δ
UBS DOUBLED +688.2% $82.5M $73.1M
Morgan Stanley DOUBLED +184% $307.2M $209.4M

▼ Sellers (3)

InstitutionActionChangePrev ValueValue Δ
Wells Fargo NEAR_EXIT -96% $4.0M -$3.8M
RenTech TRIM -27% $10.7M -$2.1M
Citadel TRIM -27.2% $15.1M -$2.9M

Actionable Insight

Monitor for upcoming clinical data readouts or regulatory decisions; the strong passive inflows may reflect positioning for a potential rebound, while quant outflows suggest risk-off behavior or model-driven exits.

Key Facts

  • UBS doubled its position in APLS, increasing value by $73.1M (+688.2% in shares).
  • Morgan Stanley added $209.4M to its position, increasing shares by 184%.
  • Wells Fargo nearly exited, reducing its stake by 96% (-$3.8M in value).
  • Quant funds RenTech and Citadel each trimmed positions by ~27% (-$5.0M combined).
  • Total institutional buying: $282.5M; total selling: $8.8M.

Financial Impact

2 institutions accumulated $282.5M in new/expanded positions while 3 reduced holdings by $8.8M

market_sentimentinstitutional_confidencefloat_distribution

Risk Factors

  • Heavy selling by quant funds could indicate technical or momentum-based deterioration.
  • Near-complete exit by Wells Fargo may reflect fundamental concerns or portfolio rebalancing.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations

Documents Analyzed

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

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-APLS-2024-Q4
4 reports for APLS
Performance horizon
Filters
Rows
Reports for APLS — sortable, filterable
Type Now
May 14, 2026
9d ago
25-NSE
NEUTRAL ★ 2/10
$41.04 awaiting T+5awaiting T+5
May 14, 2026
9d ago
8-K
BULLISH ★ 8/10
$41.04 awaiting T+5awaiting T+5
May 4, 2026
19d ago
8-K
NEUTRAL ★ 2/10
$40.97 $41.02▲ +0.12%▼ −2.81%
Mar 27, 2026
8w ago
Institutional Cluster
MIXED ★ 6/10
$16.97 $40.63▲ +139.42%▲ +135.56%
Showing 4 of 4

US Market Status

Market Closed — Opens Tue (34h 48m)

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