ALRN Institutional Ownership
Aileron Therapeutics, Inc.
1W: +4.1%
1M: +0.0%
3M: -47.8%
1Y: -52.7%
3Y: -77.6%
5Y: -84.5%
$2.11
Last traded 2025-02-07 — delisted
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Institutional Ownership — ALRN
64
Institutional Holders
+11 vs prior quarter
0.0%
Ownership
+0.00pp
$42M
Total Invested
21
New Positions
18
Increased
9
Reduced
6
Closed
0.00
Put/Call Ratio
Ownership Trends
Top Institutional Holders (72 total)
| # | Holder | Shares | Value | Change | Change % | Holding Period | Filing |
|---|---|---|---|---|---|---|---|
| 1 | Voss Capital, LP | 5,261,921 | $$11M | +873,559 | +19.9% | 7Q | SEC ↗ |
| 2 | Cable Car Capital, LP | 5,195,000 | $$11M | +4,775,000 | +1136.9% | 9Q | SEC ↗ |
| 3 | ADAR1 Capital Management, LLC NEW | 4,500,000 | $$9M | — | +0.0% | 1Q | SEC ↗ |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3,377,910 | $$7M | +2,379,389 | +238.3% | 2Q | SEC ↗ |
| 5 | BIOS Capital Management, LP | 2,982,375 | $$6M | +1,000,000 | +50.4% | 7Q | SEC ↗ |
| 6 | Ikarian Capital, LLC NEW | 2,950,000 | $$6M | — | +0.0% | 1Q | SEC ↗ |
| 7 | GREAT POINT PARTNERS LLC NEW | 2,575,000 | $$5M | — | +0.0% | 1Q | SEC ↗ |
| 8 | CITADEL ADVISORS LLC NEW | 2,438,711 | $$5M | — | +0.0% | 1Q | SEC ↗ |
| 9 | Velan Capital Investment Management LP NEW | 1,700,000 | $$4M | — | +0.0% | 1Q | SEC ↗ |
| 10 | Senvest Management, LLC | 1,230,895 | $$3M | +1,000,000 | +433.1% | 10Q | SEC ↗ |
| 11 | Prosight Management, LP | 1,100,000 | $$2M | +688,400 | +167.2% | 9Q | SEC ↗ |
| 12 | Bleichroeder LP NEW | 1,000,000 | $$2M | — | +0.0% | 1Q | SEC ↗ |
| 13 | BOOTHBAY FUND MANAGEMENT, LLC NEW | 889,450 | $$2M | — | +0.0% | 1Q | SEC ↗ |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 733,139 | $$2M | +388,449 | +112.7% | 15Q | SEC ↗ |
| 15 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMEN | 511,610 | $$1M | — | +0.0% | 9Q | SEC ↗ |
| 16 | VANGUARD FIDUCIARY TRUST CO | 382,515 | $$807K | +228,003 | +147.6% | 2Q | SEC ↗ |
| 17 | STATE STREET CORP | 379,604 | $$801K | +303,700 | +400.1% | 9Q | SEC ↗ |
| 18 | Empery Asset Management, LP NEW | 370,834 | $$782K | — | +0.0% | 1Q | SEC ↗ |
| 19 | Sigma Planning Corp | 353,677 | $$746K | +5,000 | +1.4% | 11Q | SEC ↗ |
| 20 | BlackRock, Inc. | 326,204 | $$688K | +257,676 | +376.0% | 8Q | SEC ↗ |
| 21 | Texas Capital Bank Wealth Management S | 300,758 | $$635K | +27,133 | +9.9% | 11Q | SEC ↗ |
| 22 | Sequoia Financial Advisors, LLC NEW | 250,000 | $$528K | — | +0.0% | 1Q | SEC ↗ |
| 23 | GAGNON SECURITIES LLC | 229,070 | $$483K | -10,450 | -4.4% | 11Q | SEC ↗ |
| 24 | Stonepine Capital Management, LLC NEW | 218,038 | $$460K | — | +0.0% | 1Q | SEC ↗ |
| 25 | Palogic Value Management, L.P. | 180,000 | $$380K | — | +0.0% | 2Q | SEC ↗ |
| 26 | NORTHERN TRUST CORP | 159,720 | $$337K | +95,584 | +149.0% | 9Q | SEC ↗ |
| 27 | ABS Investment Management LLC NEW | 125,000 | $$264K | — | +0.0% | 1Q | SEC ↗ |
| 28 | ABS Direct Equity Fund LLC | 125,000 | $$264K | — | +0.0% | 3Q | SEC ↗ |
| 29 | Rock Creek Group LLC | 125,000 | $$264K | — | +0.0% | 3Q | SEC ↗ |
| 30 | Warberg Asset Management LLC NEW | 99,000 | $$209K | — | +0.0% | 1Q | SEC ↗ |
| 31 | CORSAIR CAPITAL MANAGEMENT, L.P. NEW | 80,000 | $$169K | — | +0.0% | 1Q | SEC ↗ |
| 32 | GOLDMAN SACHS GROUP INC NEW | 79,785 | $$168K | — | +0.0% | 1Q | SEC ↗ |
| 33 | UBS Group AG | 57,410 | $$121K | +56,386 | +5506.4% | 7Q | SEC ↗ |
| 34 | MERCER GLOBAL ADVISORS INC /ADV | 50,461 | $$106K | +15,000 | +42.3% | 4Q | SEC ↗ |
| 35 | XTX Topco Ltd | 45,760 | $$97K | +12,836 | +39.0% | 2Q | SEC ↗ |
| 36 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT | 42,440 | $$90K | — | +0.0% | 6Q | SEC ↗ |
| 37 | Americana Partners, LLC | 41,840 | $$88K | +14,538 | +53.2% | 6Q | SEC ↗ |
| 38 | Chicago Partners Investment Group LLC | 41,048 | $$87K | — | +0.0% | 6Q | SEC ↗ |
| 39 | Prime Capital Investment Advisors, LLC NEW | 36,111 | $$76K | — | +0.0% | 1Q | SEC ↗ |
| 40 | SteelPeak Wealth, LLC | 33,000 | $$70K | +20,000 | +153.8% | 2Q | SEC ↗ |
| 41 | Qube Research & Technologies Ltd NEW | 30,787 | $$65K | — | +0.0% | 1Q | SEC ↗ |
| 42 | EXENCIAL WEALTH ADVISORS, LLC NEW | 30,528 | $$64K | — | +0.0% | 1Q | SEC ↗ |
| 43 | Savant Capital, LLC NEW | 30,528 | $$64K | — | +0.0% | 1Q | SEC ↗ |
| 44 | Meridian Wealth Advisors, LLC | 28,486 | $$60K | — | +0.0% | 6Q | SEC ↗ |
| 45 | Gleason Group, Inc. | 22,389 | $$47K | — | +0.0% | 5Q | SEC ↗ |
| 46 | Global Retirement Partners, LLC NEW | 19,316 | $$41K | — | +0.0% | 1Q | SEC ↗ |
| 47 | RENAISSANCE TECHNOLOGIES LLC | 19,000 | $$40K | -5,500 | -22.4% | 4Q | SEC ↗ |
| 48 | Cane Capital Partners, LLC | 18,000 | $$38K | — | +0.0% | 3Q | SEC ↗ |
| 49 | Annandale Capital, LLC | 15,026 | $$32K | — | +0.0% | 3Q | SEC ↗ |
| 50 | MORGAN STANLEY NEW | 14,318 | $$30K | — | +0.0% | 1Q | SEC ↗ |
Recent Activity
New Positions (20)
| Holder | Shares | Value |
|---|---|---|
| ADAR1 Capital Management, LLC | 4,500,000 | $$9M |
| Ikarian Capital, LLC | 2,950,000 | $$6M |
| GREAT POINT PARTNERS LLC | 2,575,000 | $$5M |
| CITADEL ADVISORS LLC | 2,438,711 | $$5M |
| Velan Capital Investment Management | 1,700,000 | $$4M |
| Bleichroeder LP | 1,000,000 | $$2M |
| BOOTHBAY FUND MANAGEMENT, LLC | 889,450 | $$2M |
| Empery Asset Management, LP | 370,834 | $$782K |
| Sequoia Financial Advisors, LLC | 250,000 | $$528K |
| Stonepine Capital Management, LLC | 218,038 | $$460K |
| ABS Investment Management LLC | 125,000 | $$264K |
| Warberg Asset Management LLC | 99,000 | $$209K |
| CORSAIR CAPITAL MANAGEMENT, L.P. | 80,000 | $$169K |
| GOLDMAN SACHS GROUP INC | 79,785 | $$168K |
| Prime Capital Investment Advisors, | 36,111 | $$76K |
| Qube Research & Technologies Ltd | 30,787 | $$65K |
| Savant Capital, LLC | 30,528 | $$64K |
| EXENCIAL WEALTH ADVISORS, LLC | 30,528 | $$64K |
| Global Retirement Partners, LLC | 19,316 | $$41K |
| MORGAN STANLEY | 14,318 | $$30K |
Sold Out (13)
| Holder | Prev Shares | Prev Value |
|---|---|---|
| JANE STREET GROUP, LLC | 61,960 | $$131K |
| SUSQUEHANNA INTERNATIONAL GROUP, LL | 58,995 | $$124K |
| TWO SIGMA INVESTMENTS, LP | 41,709 | $$88K |
| TWO SIGMA SECURITIES, LLC | 31,713 | $$67K |
| SANDERS MORRIS HARRIS LLC | 20,000 | $$42K |
| KG&L Capital Management,LLC | 18,000 | $$38K |
| HRT FINANCIAL LP | 15,486 | $$33K |
| Virtu Financial LLC | 13,663 | $$29K |
| HighTower Advisors, LLC | 10,000 | $$21K |
| Tower Research Capital LLC (TRC) | 3,391 | $$7K |
| OSAIC HOLDINGS, INC. | 70 | $$0K |
| BANK OF AMERICA CORP /DE | 42 | $$0K |
| WELLS FARGO & COMPANY/MN | 20 | $$0K |
Biggest Increases (18)
| Holder | Added | Change % | Total Shares |
|---|---|---|---|
| Cable Car Capital, LP | +4,775,000 | +1136.9% | 5,195,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | +2,379,389 | +238.3% | 3,377,910 |
| Senvest Management, LLC | +1,000,000 | +433.1% | 1,230,895 |
| BIOS Capital Management, LP | +1,000,000 | +50.4% | 2,982,375 |
| Voss Capital, LP | +873,559 | +19.9% | 5,261,921 |
| Prosight Management, LP | +688,400 | +167.2% | 1,100,000 |
| GEODE CAPITAL MANAGEMENT, LLC | +388,449 | +112.7% | 733,139 |
| STATE STREET CORP | +303,700 | +400.1% | 379,604 |
| BlackRock, Inc. | +257,676 | +376.0% | 326,204 |
| VANGUARD FIDUCIARY TRUST CO | +228,003 | +147.6% | 382,515 |
| NORTHERN TRUST CORP | +95,584 | +149.0% | 159,720 |
| UBS Group AG | +56,386 | +5506.4% | 57,410 |
| Texas Capital Bank Wealth Managemen | +27,133 | +9.9% | 300,758 |
| SteelPeak Wealth, LLC | +20,000 | +153.8% | 33,000 |
| MERCER GLOBAL ADVISORS INC /ADV | +15,000 | +42.3% | 50,461 |
| Americana Partners, LLC | +14,538 | +53.2% | 41,840 |
| XTX Topco Ltd | +12,836 | +39.0% | 45,760 |
| Sigma Planning Corp | +5,000 | +1.4% | 353,677 |
Biggest Decreases (3)
| Holder | Reduced | Change % | Total Shares |
|---|---|---|---|
| GAGNON SECURITIES LLC | -10,450 | -4.4% | 229,070 |
| RENAISSANCE TECHNOLOGIES LLC | -5,500 | -22.4% | 19,000 |
| Caitong International Asset Managem | -2 | -66.7% | 1 |