Acceleron Pharma Inc
XLRNDelisted- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001280600
Acceleron Pharma Inc was delisted in 2021; its insiders filed their last Form 4 on Nov 22, 2021; 333 institutions reported holding it in 13F filings for Q3 2021, worth $9.22B in total; no superinvestor held it.
13F holders, Q3 2021
Institutional positions in Acceleron Pharma Inc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
XLRN is no longer listed, so this page shows Q3 2021. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 333
- +64 vs. Q2 2021
- Shares held
- 53.6M
- +215.8K (+0.4%) vs. Q2 2021
- Total value
- $9.22B
- +$2.52B (+37.7%) vs. Q2 2021
- New holders
- 99
- 86 more added
- Sold out
- 35
- 105 more reduced
2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting XLRN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $358 |
| Q1 2026 | 1 | $358 |
| Q4 2025 | 1 | $358 |
| Q3 2025 | 1 | $358 |
| Q2 2025 | 1 | $358 |
| Q1 2025 | 1 | $358 |
| Q4 2024 | 1 | $358 |
| Q3 2024 | 1 | $358 |
| Q2 2024 | 1 | $358 |
| Q1 2024 | 1 | $358 |
| Q4 2023 | 1 | $358 |
| Q3 2023 | 1 | $358 |
| Q2 2023 | 1 | $358 |
| Q1 2023 | 1 | $358 |
| Q4 2022 | 1 | $358 |
| Q3 2022 | 1 | $0 |
| Q2 2022 | 1 | $0 |
| Q1 2022 | 1 | $0 |
| Q4 2021 | 1 | $0 |
| Q3 2021 | 333 | $9.22B |
| Q2 2021 | 271 | $6.83B |
| Q1 2021 | 256 | $7.30B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Acceleron Pharma Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 5,365,133 | $923.3M | 0.09% | +65,321+1.2% | Added |
| Vanguard Group Inc | 4,925,189 | $847.6M | 0.02% | +14,836+0.3% | Added |
| Avoro Capital Advisors LLC | 4,000,000 | $688.4M | 10.82% | +1,000,000+33.3% | Added |
| BlackRock Inc. | 3,972,924 | $683.7M | 0.02% | −430,301−9.8% | Reduced |
| Farallon Capital Management, L.L.C. | 2,164,663 | $372.5M | 2.00% | −335,337−13.4% | Reduced |
| FMR LLC | 2,072,735 | $356.7M | 0.03% | −731,204−26.1% | Reduced |
| Darwin Global Management, Ltd. | 2,000,000 | $344.2M | 63.36% | +239,654+13.6% | Added |
| Janus Henderson Group PLC | 1,593,352 | $274.2M | 0.12% | −208,470−11.6% | Reduced |
| Bamco Inc | 1,292,998 | $222.5M | 0.50% | −9,277−0.7% | Reduced |
| Alkeon Capital Management LLC | 1,245,412 | $214.3M | 0.72% | −2,719−0.2% | Reduced |
| State Street Corp | 1,183,716 | $203.7M | 0.01% | +77,846+7.0% | Added |
| Pentwater Capital Management LP | 1,050,000 | $180.7M | 2.48% | +1,050,000 | New |
| Artal Group S.A. | 1,000,000 | $172.1M | 4.23% | −400,000−28.6% | Reduced |
| Westfield Capital Management Co LP | 894,898 | $154.0M | 0.93% | +39,254+4.6% | Added |
| Magnetar Financial LLC | 831,663 | $143.1M | 1.46% | +831,663 | New |
| Holocene Advisors, LP | 747,086 | $128.6M | 0.74% | −123,138−14.2% | Reduced |
| Wellington Management Group LLP | 715,322 | $123.1M | 0.02% | −1,010,633−58.6% | Reduced |
| Geode Capital Management, LLC | 674,636 | $116.1M | 0.02% | +4,815+0.7% | Added |
| Lord, Abbett & Co. LLC | 560,040 | $96.4M | 0.23% | +108,953+24.2% | Added |
| Bank of New York Mellon Corp | 502,898 | $86.5M | 0.02% | −1,435−0.3% | Reduced |
| Assenagon Asset Management S.A. | 476,423 | $82.0M | 0.34% | −97,379−17.0% | Reduced |
| Brown Advisory Inc | 472,473 | $81.3M | 0.12% | +9,370+2.0% | Added |
| Candriam Luxembourg S.C.A. | 462,239 | $79.5M | 0.54% | −94,816−17.0% | Reduced |
| Eagle Asset Management Inc | 457,077 | $78.7M | 0.36% | −3,176−0.7% | Reduced |
| Norges Bank | 440,168 | $75.8M | 0.02% | +21,820+5.2% | Added |
| Fiera Capital Corp | 431,009 | $74.2M | 0.19% | −6,624−1.5% | Reduced |
| Artisan Partners Limited Partnership | 426,285 | $73.4M | 0.09% | −525,825−55.2% | Reduced |
| Goldman Sachs Group Inc | 418,302 | $72.0M | 0.02% | +300,878+256.2% | Added |
| Invesco Ltd. | 408,807 | $70.4M | 0.02% | −52,609−11.4% | Reduced |
| Charles Schwab Investment Management Inc | 406,459 | $70.0M | 0.02% | +15,493+4.0% | Added |
| Versor Investments LP | 401,208 | $69.0M | 2.12% | +401,208 | New |
| Franklin Resources Inc | 399,640 | $68.8M | 0.03% | −15,730−3.8% | Reduced |
| TimesSquare Capital Management, LLC | 392,500 | $67.5M | 0.59% | −122,495−23.8% | Reduced |
| Polar Capital Holdings Plc | 390,488 | $67.2M | 0.30% | −56,692−12.7% | Reduced |
| Susquehanna International Group, LLP | 384,210 | $66.1M | 0.08% | +358,022+1,367.1% | Added |
| Alpine Associates Management Inc. | 354,300 | $61.0M | 1.98% | +354,300 | New |
| Eversept Partners, LP | 349,494 | $60.1M | 4.83% | +14,449+4.3% | Added |
| Millennium Management LLC | 273,520 | $47.1M | 0.06% | +261,193+2,118.9% | Added |
| D. E. Shaw & Co., Inc. | 271,291 | $46.7M | 0.06% | +201,795+290.4% | Added |
| Northern Trust Corp | 250,118 | $43.0M | 0.01% | −10,085−3.9% | Reduced |
| Citigroup Inc | 248,768 | $42.8M | 0.04% | +198,437+394.3% | Added |
| UBS Asset Management Americas Inc | 237,506 | $40.9M | 0.02% | +9,617+4.2% | Added |
| Carmignac Gestion | 221,502 | $38.1M | 0.48% | −236,764−51.7% | Reduced |
| Nuveen Asset Management, LLC | 205,187 | $35.3M | 0.01% | −65,199−24.1% | Reduced |
| New York State Common Retirement Fund | 200,476 | $34.5M | 0.04% | −88,110−30.5% | Reduced |
| Nwi Management LP | 200,000 | $34.4M | 3.24% | 00.0% | Unchanged |
| Deutsche Bank AG | 183,241 | $31.5M | 0.01% | −5,231−2.8% | Reduced |
| Principal Financial Group Inc | 174,802 | $30.1M | 0.02% | −41,687−19.3% | Reduced |
| Handelsbanken Fonder AB | 159,523 | $27.5M | 0.14% | +11,000+7.4% | Added |
| TD Asset Management Inc | 157,892 | $27.2M | 0.03% | +15,151+10.6% | Added |
| Alliancebernstein L.P. | 145,454 | $25.0M | 0.01% | +117,313+416.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 145,000 | $25.0M | 0.49% | −74,500−33.9% | Reduced |
| Wells Fargo & Company | 142,783 | $24.6M | 0.01% | −42,032−22.7% | Reduced |
| Davidson Kempner Capital Management LP | 140,729 | $24.2M | 0.35% | +140,729 | New |
| Balyasny Asset Management LLC | 140,492 | $24.2M | 0.12% | +140,492 | New |
| Dimensional Fund Advisors LP | 135,593 | $23.3M | 0.01% | +1,914+1.4% | Added |
| Morgan Stanley | 134,674 | $23.2M | 0.00% | +49,484+58.1% | Added |
| Martingale Asset Management L P | 134,635 | $23.2M | 0.30% | −25,713−16.0% | Reduced |
| Bank of America Corp | 133,738 | $23.0M | 0.00% | +30,188+29.2% | Added |
| Westchester Capital Management, LLC | 129,432 | $22.3M | 0.70% | +129,432 | New |
| Ensign Peak Advisors, Inc | 124,807 | $21.5M | 0.04% | −15,141−10.8% | Reduced |
| Swiss National Bank | 120,700 | $20.8M | 0.01% | +600+0.5% | Added |
| JPMorgan Chase & Co | 113,485 | $19.5M | 0.00% | +61,329+117.6% | Added |
| Barclays PLC | 111,461 | $19.2M | 0.01% | +72,937+189.3% | Added |
| Russell Investments Group, Ltd. | 110,683 | $19.0M | 0.03% | +23,523+27.0% | Added |
| Foresite Capital Management III, LLC | 108,630 | $18.7M | 25.92% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 107,808 | $18.6M | 0.07% | −75,566−41.2% | Reduced |
| California Public Employees Retirement System | 107,408 | $18.5M | 0.01% | −899−0.8% | Reduced |
| UBS Group AG | 107,102 | $18.4M | 0.01% | +30,818+40.4% | Added |
| Voloridge Investment Management, LLC | 103,394 | $17.8M | 0.11% | +103,394 | New |
| Parallax Volatility Advisers, L.P. | 102,614 | $17.7M | 0.19% | +102,614 | New |
| Royal Bank of Canada | 100,694 | $17.3M | 0.00% | +25,684+34.2% | Added |
| Alyeska Investment Group, L.P. | 100,000 | $17.2M | 0.21% | +50,000+100.0% | Added |
| Loomis Sayles & Co L P | 94,406 | $16.2M | 0.02% | +94,406 | New |
| Credit Suisse AG | 93,147 | $16.0M | 0.01% | +27,812+42.6% | Added |
| Atika Capital Management LLC | 91,800 | $15.8M | 1.13% | +1,700+1.9% | Added |
| California State Teachers Retirement System | 90,777 | $15.6M | 0.02% | −1,047−1.1% | Reduced |
| Water Island Capital LLC | 89,140 | $15.3M | 0.88% | +89,140 | New |
| Western Standard LLC | 84,990 | $14.6M | 8.42% | +59,955+239.5% | Added |
| Putnam Investments LLC | 82,549 | $14.2M | 0.02% | −143,456−63.5% | Reduced |
| Melqart Asset Management (UK) Ltd | 82,000 | $14.1M | 0.71% | +82,000 | New |
| Carlson Capital L P | 80,000 | $13.8M | 0.73% | +80,000 | New |
| Spring Creek Capital LLC | 80,000 | $13.8M | 0.67% | +80,000 | New |
| AXA S.A. | 79,059 | $13.6M | 0.04% | −89,946−53.2% | Reduced |
| American Century Companies Inc | 78,882 | $13.6M | 0.01% | −28,941−26.8% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 77,714 | $13.4M | 0.29% | +39,671+104.3% | Added |
| Parametric Portfolio Associates LLC | 72,110 | $12.4M | 0.01% | +11,326+18.6% | Added |
| Cutler Group LP | 71,931 | $12.4M | 0.94% | +70,893+6,829.8% | Added |
| QVT Financial LP | 70,996 | $12.2M | 0.96% | −30,400−30.0% | Reduced |
| Comerica Bank | 68,532 | $11.9M | 0.07% | −2,296−3.2% | Reduced |
| Granahan Investment Management Inc | 67,888 | $11.7M | 0.22% | −12,420−15.5% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 65,516 | $11.3M | 0.06% | −26,971−29.2% | Reduced |
| State Board of Administration of Florida Retirement System | 65,185 | $11.2M | 0.02% | −658−1.0% | Reduced |
| Gabelli Funds LLC | 60,572 | $10.4M | 0.07% | +60,572 | New |
| Segantii Capital Management Ltd | 60,000 | $10.3M | 0.35% | +60,000 | New |
| SG3 Management, LLC | 60,000 | $10.3M | 3.66% | +60,000 | New |
| Bank of Montreal | 54,069 | $9.55M | 0.00% | −143,740−72.7% | Reduced |
| Rhumbline Advisers | 49,352 | $8.49M | 0.01% | −762−1.5% | Reduced |
| Man Group plc | 49,096 | $8.45M | 0.03% | +49,096 | New |
| Legal & General Group Plc | 46,449 | $7.99M | 0.00% | +8,549+22.6% | Added |