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SC 13G/A ·Filed Oct 28, 2026

IRWD

IRONWOOD PHARMACEUTICALS INC
NEUTRAL
Impact 3/10
Horizonimmediate Processed1d 4h ago SEC0000070858-26-000529
Passive stake amendment
Actionable Insight • Neutral

Monitor for any future conversion of this 13G to a 13D, which would signal activist intent. For now, the filing is a routine passive disclosure by a large financial institution with no immediate market impact.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled: T+1d
IRWD ▲ +0.28% at T+1d
NEUTRAL call +0.28% · α vs SPY +0.66% · entry $3.61 → $3.62
Next anchor: T+5d in 6d
Entry = T+0 close
Oct 28, 2026
via day close
T+1d
+0.28%
call +0.28% · α +0.66%
$3.62
settled 10h ago
T+5d
Pending
in 6d
T+20d
Pending
in 27d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

Bank of America Corp filed an amended Schedule 13G disclosing a passive stake of 5,219,315 shares (3.2%) in Ironwood Pharmaceuticals as of September 30, 2026. This is a new passive disclosure for BofA; no prior 13G from this filer was in the provided context. The stake is small and passive, with no indication of activist intent.

Key Financial Metrics

Stake
3.2%
Investor
BANK OF AMERICA CORP /DE/

Key Facts

  • Bank of America Corp filed a Schedule 13G/A disclosing beneficial ownership of 5,219,315 shares of Ironwood Pharmaceuticals common stock.
  • The stake represents 3.2% of the 165,239,947 shares outstanding as of July 31, 2026 (per the issuer's Form 10-Q).
  • The filing is an amendment (13G/A) and is a new passive disclosure by Bank of America; no prior BofA 13G for IRWD was provided.
  • The filing certifies the securities were acquired and are held in the ordinary course of business, not for changing or influencing control.

Financial Impact

Passive stake of 5,219,315 shares valued at approximately $18.5M based on a $578M market cap and 165.2M shares outstanding.

ownershipdilution

Risk Factors

  • No material risks identified from this passive stake filing.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
70% bullish (10 analysts)

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G/A Filing (Primary)0000070858-26-000529
Document: 0000070858-26-000529-index.html0000070858-26-000529
Document: 0000070858-26-000529.txt0000070858-26-000529
8 reports for IRWD
Performance horizon
80% Hit rate @ T+20 4 of 5 directional calls Went positive at some point 5 of 5 best @ T+20▲ +12.27%Feb 23, 2026
Filters
Rows
Reports for IRWD, sortable and filterable
TypeNow
Oct 28, 2026
1d ago
SC 13G/A
NEUTRAL ★ 3/10
$3.61awaiting T+20awaiting T+20$3.62 (+0.28%)
Oct 16, 2026
13d ago
8-K
NEUTRAL ★ 3/10
$3.50awaiting T+20awaiting T+20$3.62 (+3.43%)
Aug 6, 2026
12w ago
8-K
BULLISH ★ 7/10
$4.26 $4.29▲ +0.70%▲ +0.10%$3.62 (−15.02%)
May 13, 2026
24w ago
8-K
MIXED ★ 6/10
$3.68 $3.63▼ −1.36%▼ −0.75%$3.62 (−1.63%)
May 7, 2026
25w ago
8-K
BULLISH ★ 7/10
$4.17 $3.24▼ −22.30%▼ −25.44%$3.62 (−13.19%)
Feb 25, 2026
35w ago
8-K
BEARISH ★ 5/10
$3.36 $3.19▲ +5.06%▼ −0.18%$3.62 (−7.74%)
Feb 23, 2026
35w ago
Insider Cluster
BEARISH ★ 6/10
$3.75 $3.29▲ +12.27%▲ +8.32%$3.62 (+3.47%)
Feb 23, 2026
35w ago
Insider Cluster
BEARISH ★ 7/10
$3.75 $3.29▲ +12.27%▲ +8.32%$3.62 (+3.47%)
Showing 8 of 8

US Market Status

Market Closed · Opens Fri (15h 41m)

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Report published Oct 28, 2026