Nasdaq· Pharmaceutical Preparations· Inc. DE· CIK 0001446847

IRWD

IRONWOOD PHARMACEUTICALS INC
$3.64 ▼ -3.19%
Prev close $3.76
Market cap$656.0M
12-mo target$6.10 (+67.6%)
Insider Selling Cluster (2 insiders)High Impact Filing (7/10)21 New Institutional Positions20 Institutional Exits Biotech & Drug Discovery
Snapshot
The big-picture read on IRWD right now — valuation, ownership and activity at a glance.
Market Cap
$656.0M
Cap Size
Small Cap
Inst. Holders
50 funds
Inst. Value
$499.5M
Inst. Activity
21 buys / 20 sells
Insider Activity
$0.00 buy / $22.1M sell
Insider Net $
-$22.1M
SEC Reports
6
Price chart 30d -15.2%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 24, 2026 short_volume
Short Volume: IRWD — 64.8% short (0.4M / 0.6M)
Short: 385,586 | Exempt: 57,597 | TRF Vol: 594,922 | Short Ratio: 64.8% | Off-exchange volume (dark
Sep 15, 2026 Insider
DENNER ALEXANDER J was granted 3,694 shares
Director
Aug 6, 2026 SEC
Ironwood Pharmaceuticals reported Q2 2026 GAAP EPS of $0.31, beating the $0.28 consensus by 10.7%, on revenue of $113.0M
8-K — Impact 7/10
Jul 20, 2026 Insider
Silber Jeffrey was granted 137,036 shares
SVP, CMO, Head-Res&Drug
Jul 7, 2026 Insider
Silver Ronald sold 127,890 shares
PFO & PAO @ $4.52 ($578.1K)
Jun 30, 2026 Inst.
BlackRock, Inc. — ADD
17,788,557 shares ($74.9M)
Jun 30, 2026 Inst.
CHARLES SCHWAB INVESTMENT MANAGEMENT — TRIM
3,302,242 shares ($13.9M)
May 13, 2026 SEC
IRWD CFO Gregory Martini resigned effective May 15, 2026, with Ronald Silver serving as interim CFO. The resignation is
8-K — Impact 6/10
Analyst ratings buy % +7000.0%
How Wall Street rates the stock today, and the latest firm-by-firm actions.
Recent analyst actions
DateFirmActionRatingFirm rating
Feb 26, 2026CitizensMAINTAINMarket Outperform 38%
Jan 5, 2026Wells FargoMAINTAINEqual-Weight 54%
Jan 5, 2026CitizensUPGRADEMarket Outperform 38%
Nov 11, 2025Wells FargoMAINTAINEqual-Weight 54%
Apr 15, 2025Wells FargoDOWNGRADEEqual-Weight 54%
Apr 15, 2025JefferiesDOWNGRADEHold 53%
Apr 14, 2025Leerink PartnersMAINTAINMarket Perform 49%
Jan 30, 2025JMP SecuritiesMAINTAINMarket Outperform 53%
Jan 22, 2025Craig-HallumMAINTAINBuy 54%
Sep 9, 2024Leerink PartnersINITIATEMarket Perform 49%
Monthly consensus history
PeriodStr. BuyBuyHoldSellStr. SellBuy %Distribution
Sep 1, 20262530070%
Aug 1, 20262530070%
Jul 1, 20262530070%
Jun 1, 20262530070%
May 1, 20262530070%
Apr 1, 20262530070%
Mar 1, 20262530070%
Feb 1, 20262530070%
Price targets
Where 4 covering analysts think IRWD trades over the next 12 months.
$6.10 +67.6% upside Strong Buy
Current$3.64 Low$3.70 Median$5.35 High$10.00 4 analysts
$3.70$10.00
Analyst rating None as of Oct 2, 2026
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
6 SEC filing reports analyzed · 2 bullish, 3 bearish, 1 mixed, 0 neutral · avg impact 6.3/10.
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Sep 24, 2026
short_volume
Short Volume: IRWD — 64.8% short (0.4M / 0.6M)
Short: 385,586 | Exempt: 57,597 | TRF Vol: 594,922 | Short Ratio: 64.8% | Off-exchange volume (dark pool + OTC)
Sep 23, 2026
short_volume
Short Volume: IRWD — 56.0% short (0.3M / 0.6M)
Short: 329,952 | Exempt: 11 | TRF Vol: 589,275 | Short Ratio: 56.0% | Off-exchange volume (dark pool + OTC)
Sep 22, 2026
short_volume
Short Volume: IRWD — 59.7% short (0.3M / 0.6M)
Short: 345,552 | Exempt: 0 | TRF Vol: 578,940 | Short Ratio: 59.7% | Off-exchange volume (dark pool + OTC)
Sep 18, 2026
short_volume
Short Volume: IRWD — 71.3% short (0.4M / 0.6M)
Short: 438,759 | Exempt: 18 | TRF Vol: 615,017 | Short Ratio: 71.3% | Off-exchange volume (dark pool + OTC)
Sep 11, 2026
short_volume
Short Volume: IRWD — 61.9% short (0.4M / 0.6M)
Short: 353,437 | Exempt: 234 | TRF Vol: 570,705 | Short Ratio: 61.9% | Off-exchange volume (dark pool + OTC)
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
PeriodEPS Est.RangeGrowth30d RevUp/DnRevenue#
Current Q$0.31$0.30–$0.3229.2%+0.0%1↑ 0↓$0.1B2
Next Q$0.34$0.34–$0.343500.0%-13.6%1↑ 0↓$0.1B2
Current FY$1.21$1.20–$1.22384.0%+0.0%1↑ 0↓$0.5B2
Next FY$1.50$1.25–$1.8224.0%+0.0%0↑ 1↓$0.5B3
Current-quarter EPS estimate — revision history
WhenEPS estimateChange vs now
Current$0.310—
7d ago$0.310—
30d ago$0.310—
60d ago$0.290+0.020
90d ago$0.290+0.020
Institutional ownership
Which big funds own IRWD (from quarterly 13F filings) and who is adding or trimming.
50 institutional holders with $499.5M total value (118,642,295 shares) as of 2026-Q2. Top holders: BlackRock,, STATE, BANK. Net buying activity: 21 institutions added/increased vs 20 reduced.
Top holders — 2026-Q2
FundSharesValue% TrackedLast move
BlackRock, Inc.17,788,557$74.9M15.0%ADD +33.1%
STATE STREET CORP8,809,601$37.1M7.4%ADD +69.0%
BANK OF AMERICA CORP /DE/8,683,803$36.6M7.3%—
RENAISSANCE TECHNOLOGIES LLC7,993,226$33.7M6.7%—
VANGUARD CAPITAL MANAGEMENT LLC6,608,508$27.8M5.6%—
AQR CAPITAL MANAGEMENT LLC6,465,921$27.2M5.4%ADD +59.5%
VANGUARD PORTFOLIO MANAGEMENT LLC5,513,355$23.2M4.6%—
GEODE CAPITAL MANAGEMENT, LLC4,831,657$20.3M4.1%ADD +25.4%
TWO SIGMA INVESTMENTS, LP4,556,089$19.2M3.8%—
MARSHALL WACE, LLP4,290,093$18.1M3.6%—
Recent position changes
FundActionPrevCurrentChangeValue
BlackRock, Inc.ADD13,362,93017,788,557+33.1%$74.9M
CHARLES SCHWAB INVESTMENT MANAGEMENT INCTRIM4,737,8573,302,242-30.3%$13.9M
MACKENZIE FINANCIAL CORPDOUBLED560,0342,367,493+322.7%$10.0M
MORGAN STANLEYDOUBLED824,8191,859,914+125.5%$7.8M
WELLS FARGO & COMPANY/MNDOUBLED58,8501,206,198+1949.6%$5.1M
STATE OF WISCONSIN INVESTMENT BOARDADD598,159778,515+30.2%$3.3M
CITADEL ADVISORS LLCDOUBLED118,276502,403+324.8%$2.1M
VOYA INVESTMENT MANAGEMENT LLCDOUBLED145,819484,450+232.2%$2.0M
SEI INVESTMENTS COTRIM742,548459,417-38.1%$1.9M
O'SHAUGHNESSY ASSET MANAGEMENT, LLCDOUBLED128,243438,911+242.2%$1.8M
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
14 insiders, 28 transactions. Net -$22.1M — $0.00 bought, $22.1M sold.
DateInsiderTitleTypeSharesPriceValue
Sep 15, 2026DENNER ALEXANDER JDirectorAWARD3,694——
Jul 20, 2026Silber JeffreySVP, CMO, Head-Res&DrugAWARD137,036——
Jul 7, 2026Silver RonaldPFO & PAOSELL127,890$4.52$578.1K
Jun 16, 2026Duane Jon RDirectorAWARD63,481——
Jun 16, 2026Kessler Marla LDirectorAWARD63,481——
Jun 16, 2026Moukheibir CatherineDirectorAWARD63,481——
Jun 16, 2026Currie Mark GDirectorAWARD63,481——
Jun 16, 2026Shepard JayDirectorAWARD63,481——
Jun 16, 2026McHugh JulieDirectorSELL21,571$3.73$80.5K
Jun 16, 2026McHugh JulieDirectorAWARD63,481——
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for IRWD.
Shares short
18,728,986
Settlement Sep 15, 2026
Change vs prior
+6.1%
Semi-monthly cycle
Days to cover
13.1
At avg daily volume
Of shares outstanding
≈11.3%
Estimate — not % of float
All IRWD filing & press-release reports (6)