Ironwood Pharmaceuticals, Inc. (IRWD)

NMS – Real Time Price. Currency in USD

3.06

-0.09 (-2.86%)

At close: Mar 27, 2026, 4:00 PM EDT

3.04

-0.02 (-0.65%)

After-hours: Mar 27, 2026, 7:13 PM EDT

Ownership

Breakdown
3.05%	% of Shares Held by All Insider
91.70%	% of Shares Held by Institutions
94.58%	% of Float Held by Institutions
277	Number of Institutions Holding Shares

Holder	Shares	Date Reported	% Out	Value
Armistice Capital, LLC	16.03M	2025-12-31	9.83%	$49.04M
Vanguard Group Inc	15.96M	2025-12-31	9.79%	$48.83M
Sarissa Capital Management, LP	15.92M	2025-12-31	9.76%	$48.71M
Blackrock Inc.	12.78M	2025-12-31	7.84%	$39.12M
Bank of America Corporation	11.52M	2025-12-31	7.07%	$35.26M
Renaissance Technologies, LLC	8.20M	2025-12-31	5.03%	$25.11M
Acadian Asset Management. LLC	6.46M	2025-12-31	3.96%	$19.76M
Charles Schwab Investment Management, Inc.	4.98M	2025-12-31	3.05%	$15.23M
AQR Capital Management, LLC	4.72M	2025-12-31	2.90%	$14.45M
Marshall Wace LLP	4.42M	2025-12-31	2.71%	$13.54M

Holder	Shares	Date Reported	% Out	Value
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	4.33M	2025-12-31	2.66%	$13.26M
iShares Trust-iShares Russell 2000 ETF	3.82M	2026-01-31	2.35%	$11.70M
SCHWAB STRATEGIC TRUST-Schwab Fundamental U.S. Small Company ETF	2.97M	2025-11-30	1.82%	$9.09M
VANGUARD HORIZON FUNDS-Vanguard Strategic Equity Fund	2.45M	2025-12-31	1.50%	$7.49M
Vanguard Explorer Fund	2.23M	2025-10-31	1.37%	$6.84M
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund	1.57M	2025-12-31	0.96%	$4.80M
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund	1.53M	2025-12-31	0.94%	$4.70M
Federated Hermes MDT Series-Federated Hermes MDT Small Cap Core Fund	1.29M	2025-10-31	0.79%	$3.94M
iShares Trust-iShares Russell 2000 Growth ETF	1.24M	2026-01-31	0.76%	$3.78M
iShares Trust-iShares Biotechnology ETF	1.16M	2026-01-31	0.71%	$3.53M