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Acceleron Pharma Inc

XLRNDelisted Nov 22, 2021
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001280600

Acceleron Pharma Inc was delisted on Nov 22, 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.

Institutional holdersQ3 2021: 333 institutions
Q1 2021: 256 institutionsQ2 2021: 271 institutionsQ3 2021: 333 institutionsQ4 2021: 1 institutionQ1 2022: 1 institutionQ2 2022: 1 institutionQ3 2022: 1 institutionQ4 2022: 1 institutionQ1 2023: 1 institutionQ2 2023: 1 institutionQ3 2023: 1 institutionQ4 2023: 1 institutionQ1 2024: 1 institutionQ2 2024: 1 institutionQ3 2024: 1 institutionQ4 2024: 1 institutionQ1 2025: 1 institutionQ2 2025: 1 institutionQ3 2025: 1 institutionQ4 2025: 1 institutionQ1 2026: 1 institutionQ2 2026: 1 institution
Value heldQ3 2021: $9.22B
Q1 2021: $7.30BQ2 2021: $6.78BQ3 2021: $9.22BQ4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $358Q1 2023: $358Q2 2023: $358Q3 2023: $358Q4 2023: $358Q1 2024: $358Q2 2024: $358Q3 2024: $358Q4 2024: $358Q1 2025: $358Q2 2025: $358Q3 2025: $358Q4 2025: $358Q1 2026: $358Q2 2026: $358
Institutions holding XLRN and their total value by quarter
QuarterHoldersValue
Q2 20261$358
Q1 20261$358
Q4 20251$358
Q3 20251$358
Q2 20251$358
Q1 20251$358
Q4 20241$358
Q3 20241$358
Q2 20241$358
Q1 20241$358
Q4 20231$358
Q3 20231$358
Q2 20231$358
Q1 20231$358
Q4 20221$358
Q3 20221$0
Q2 20221$0
Q1 20221$0
Q4 20211$0
Q3 2021333$9.22B
Q2 2021271$6.78B
Q1 2021256$7.30B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Acceleron Pharma Inc; share changes are against Q2 2021.

Institutions holding XLRN in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
TimesSquare Capital Management, LLC392,500$67.5M0.59%−122,495−23.8%Reduced
Franklin Resources Inc399,640$68.8M0.03%−15,730−3.8%Reduced
Versor Investments LP401,208$69.0M2.12%+401,208New
Charles Schwab Investment Management Inc406,459$70.0M0.02%+15,493+4.0%Added
Invesco Ltd.408,807$70.4M0.02%−52,609−11.4%Reduced
Goldman Sachs Group Inc418,302$72.0M0.02%+300,878+256.2%Added
Artisan Partners Limited Partnership426,285$73.4M0.09%−525,825−55.2%Reduced
Fiera Capital Corp431,009$74.2M0.19%−6,624−1.5%Reduced
Norges Bank440,168$75.8M0.02%+21,820+5.2%Added
Eagle Asset Management Inc457,077$78.7M0.36%−3,176−0.7%Reduced
Candriam Luxembourg S.C.A.462,239$79.5M0.54%−94,816−17.0%Reduced
Brown Advisory Inc472,473$81.3M0.12%+9,370+2.0%Added
Assenagon Asset Management S.A.476,423$82.0M0.34%−97,379−17.0%Reduced
Bank of New York Mellon Corp502,898$86.5M0.02%−1,435−0.3%Reduced
Lord, Abbett & Co. LLC560,040$96.4M0.23%+108,953+24.2%Added
Geode Capital Management, LLC674,636$116.1M0.02%+4,815+0.7%Added
Wellington Management Group LLP715,322$123.1M0.02%−1,010,633−58.6%Reduced
Holocene Advisors, LP747,086$128.6M0.74%−123,138−14.2%Reduced
Magnetar Financial LLC831,663$143.1M1.46%+831,663New
Westfield Capital Management Co LP894,898$154.0M0.93%+39,254+4.6%Added
Artal Group S.A.1,000,000$172.1M4.23%−400,000−28.6%Reduced
Pentwater Capital Management LP1,050,000$180.7M2.48%+1,050,000New
State Street Corp1,183,716$203.7M0.01%+77,846+7.0%Added
Alkeon Capital Management LLC1,245,412$214.3M0.72%−2,719−0.2%Reduced
Bamco Inc1,292,998$222.5M0.51%−9,277−0.7%Reduced
Janus Henderson Group PLC1,593,352$274.2M0.12%−208,470−11.6%Reduced
Darwin Global Management, Ltd.2,000,000$344.2M63.36%+239,654+13.6%Added
FMR LLC2,072,735$356.7M0.03%−731,204−26.1%Reduced
Farallon Capital Management, L.L.C.2,164,663$372.5M2.00%−335,337−13.4%Reduced
BlackRock Inc.3,972,924$683.7M0.02%−430,301−9.8%Reduced
Avoro Capital Advisors LLC4,000,000$688.4M10.82%+1,000,000+33.3%Added
Vanguard Group Inc4,925,189$847.6M0.02%+14,836+0.3%Added
Price T Rowe Associates Inc5,365,133$923.3M0.09%+65,321+1.2%Added
Adage Capital Partners GP, L.L.C.0$00.00%−350,000−100.0%Sold out
Perceptive Advisors LLC0$00.00%−226,760−100.0%Sold out
Viking Global Investors LPSuperinvestorViking Global Investors0$00.00%−196,136−100.0%Sold out
Cormorant Asset Management, LP0$00.00%−175,000−100.0%Sold out
Octagon Capital Advisors LP0$00.00%−112,363−100.0%Sold out
Kingdon Capital Management, L.L.C.0$00.00%−65,000−100.0%Sold out
International Biotechnology Trust PLC0$00.00%−60,500−100.0%Sold out
Parkman Healthcare Partners LLC0$00.00%−60,074−100.0%Sold out
Altshuler Shaham Ltd0$00.00%−51,165−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−49,172−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−12,930−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−11,009−100.0%Sold out
Artemis Investment Management LLP0$00.00%−10,859−100.0%Sold out
HRT Financial LP0$00.00%−10,119−100.0%Sold out
Twinbeech Capital LP0$00.00%−9,123−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−9,018−100.0%Sold out
Engineers Gate Manager LP0$00.00%−8,357−100.0%Sold out
STRS Ohio0$00.00%−7,033−100.0%Sold out
NorthCoast Asset Management LLC0$00.00%−6,934−100.0%Sold out
AGF Investments LLC0$00.00%−4,634−100.0%Sold out
PDT Partners, LLC0$00.00%−4,110−100.0%Sold out
Bank of Nova Scotia0$00.00%−3,958−100.0%Sold out
Trexquant Investment LP0$00.00%−3,616−100.0%Sold out
Cambridge Investment Research Advisors, Inc.0$00.00%−2,974−100.0%Sold out
Emerald Advisers, LLC0$00.00%−2,712−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−2,640−100.0%Sold out
Jefferies Group LLC0$00.00%−2,519−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−2,329−100.0%Sold out
Echo Street Capital Management LLC0$00.00%−2,094−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−1,750−100.0%Sold out
Wolverine Trading, LLC0$00.00%−1,606−100.0%Sold out
Agf Investments Inc.0$00.00%−1,358−100.0%Sold out
Panagora Asset Management Inc0$00.00%−893−100.0%Sold out
Leonteq Securities AG0$00.00%−240−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−23−100.0%Sold out
Pictet Asset Management Ltd––––Not filed
CWM, LLC––––Not filed