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Amylyx Pharmaceuticals, Inc. hedge fund holdings

AMLXNASDAQ
$27.79-0.29 (-1.03% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

AMLX · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+109.1%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20255659$136M$83.4M124Aug 14, 2025
Q3 20258455$564M$198M158Nov 14, 2025
Q4 20258358$233M$243M174Feb 14, 2026
Q1 20266169$89.3M$91.1M163May 15, 2026
Q2 20269157$184M$184M193Aug 14, 2026

Quarterly action breakdown

Q2 2026
193 filers
New position
40
$76.9M+4.28M sh
Increased
51
$107M+5.94M sh
Reduced
45
-$178M-9.89M sh
Out / sold
12
-$6.42M-358K sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Adage Capital Partners GP, L.L.C.Reduce 46.64%-$29.8M$34.1M0.05%Aug 14, 2026
Great Point Partners LLCReduce 60.00%-$18.9M$12.6M2.38%Aug 14, 2026
Aberdeen Group plcNew Buy+$13.2M$13.2M0.02%Jul 31, 2026
Jones Hill Capital LPReduce 44.08%-$12.7M$16.1M3.41%Aug 13, 2026
ADAR1 Capital Management, LLCReduce 50.59%-$9.09M$8.88M0.41%Aug 14, 2026
Nantahala Capital Management, LLCAdded 81.71%+$7.86M$17.5M0.29%Aug 19, 2026
Nearwater Capital Markets, LtdNew Buy+$7.63M$7.63M0.13%Aug 14, 2026
Logos Global Management LPReduce 50.00%-$6.29M$6.29M0.27%Aug 14, 2026
Jupiter Asset Management LtdReduce 53.61%-$5.71M$4.94M0.02%Aug 10, 2026
Ensign Peak Advisors, IncNew Buy+$5.49M$5.49M0.01%Aug 14, 2026
Saturn V Capital Management LPAdded 6.30%+$4.92M$83M11.91%Aug 14, 2026
Siren, L.L.C.Added 20.37%+$4.5M$26.6M0.54%Aug 13, 2026
683 Capital Management, LLCReduce 16.37%-$4.5M$23M1.13%Aug 14, 2026
Parkman Healthcare Partners LLCReduce 35.83%-$4M$7.16M0.73%Aug 14, 2026
Eventide Asset Management, LLCReduce 12.31%-$3.35M$23.8M0.32%Aug 14, 2026
First Light Asset Management, LLCReduce 5.25%-$3.01M$54.3M3.30%Aug 14, 2026
Cormorant Asset Management, LPReduce 42.86%-$2.69M$3.59M0.18%Aug 14, 2026
Lighthouse Investment Partners, LLCNew Buy+$2.21M$2.21M0.06%Aug 14, 2026
Ikarian Capital, LLCNew Buy+$2.11M$2.11M0.23%Aug 14, 2026
Affinity Asset Advisors, LLCNew Buy+$1.78M$1.78M0.08%Aug 13, 2026
Quantinno Capital Management LPNew Buy+$1.45M$1.45M0.00%Aug 13, 2026
1492 Capital Management LLCNew Buy+$1.43M$1.43M0.42%Aug 11, 2026
Moody Aldrich Partners LLCNew Buy+$1.04M$1.04M0.19%Jul 15, 2026
Perceptive Advisors LLCAdded 0.60%+$898K$150M2.25%Aug 14, 2026
Driehaus Capital Management LLCAdded 1.67%+$895K$54.5M0.32%Aug 14, 2026
Campbell & CO Investment Adviser LLCAdded 85.52%+$836K$1.81M0.10%Aug 3, 2026
Fox Run Management, L.L.C.New Buy+$805K$805K0.13%Aug 4, 2026
Jennison Associates LLCNew Buy+$644K$644K0.00%Aug 3, 2026
HighVista Strategies LLCAdded 9.66%+$611K$6.93M1.58%Aug 14, 2026
Jain Global LLCNew Buy+$517K$517K0.00%Aug 14, 2026
Wellington Management Group LLPReduce 11.89%-$516K$3.82M0.00%Aug 14, 2026
Canada Pension Plan Investment BoardNew Buy+$496K$496K0.00%Aug 14, 2026
Alps Advisors IncAdded 24.96%+$403K$2.02M0.01%Jul 29, 2026
Integrated Quantitative Investments LLCSell 100%-$379K$00.00%Aug 14, 2026
Tetragon Partners GP LtdReduce 6.28%-$358K$5.35M0.84%Aug 13, 2026
Numerai GP LLCReduce 40.96%-$357K$515K0.04%Aug 14, 2026
Acuta Capital Partners, LLCAdded 11.29%+$306K$3.02M2.10%Aug 14, 2026
VANGUARD ASSET MANAGEMENT, LtdAdded 31.57%+$245K$1.02M0.00%Aug 13, 2026
Alpha Wave Global, LPAdded 9.19%+$235K$2.79M0.04%Aug 13, 2026
Graham Capital Management, L.P.New Buy+$222K$222K0.00%Aug 14, 2026
Harvest Investment Services, LLCNew Buy+$183K$183K0.03%Aug 14, 2026
Fulcrum Asset Management LLPNew Buy+$82.3K$82.3K0.01%Aug 18, 2026
Profund Advisors LLCAdded 20.74%+$63.9K$372K0.01%Aug 11, 2026
Great Lakes Advisors, LLCAdded 23.38%+$43.6K$230K0.00%Aug 10, 2026
Seven Fleet Capital Management LPReduce 12.78%-$38.3K$261K0.04%Aug 17, 2026
Aldebaran Capital, LLCReduce 1.01%-$35.9K$3.52M2.64%Aug 14, 2026
Premier Path Wealth Partners, LLCReduce 9.87%-$35.9K$328K0.04%Jul 21, 2026
China Universal Asset Management Co., Ltd.Reduce 9.20%-$32.2K$318K0.02%Jul 24, 2026
Virtus Investment Advisers, LLCAdded 7.74%+$28.9K$403K0.09%Aug 11, 2026
PFM Health Sciences, LPReduce 1.08%-$28.3K$2.58M0.22%Aug 14, 2026
iA Global Asset Management Inc.Reduce 0.33%-$18K$5.46M0.06%Jul 29, 2026
Kemnay Advisory Services Inc.New Buy+$16.7K$16.7K0.00%Aug 14, 2026
State of New Jersey Common Pension Fund DAdded 3.17%+$12.8K$417K0.00%Aug 4, 2026
SummitTX Capital, L.P.Added 0.30%+$12.2K$4.09M0.11%Aug 14, 2026
Strive Financial Group ,LLCNew Buy+$11.7K$11.7K0.01%Aug 17, 2026
Dunhill Financial, LLCSell 100%-$8.34K$00.00%Aug 7, 2026
Silver Grove Financial Group, Inc.New Buy+$7.62K$7.62K0.00%Aug 13, 2026
Aster Capital Management (DIFC) LtdNew Buy+$7.06K$7.06K0.00%Aug 14, 2026
Picton Mahoney Asset ManagementNew Buy+$3.39K$3.39K0.00%Aug 13, 2026
Quarry LPNew Buy+$2.5K$2.5K0.00%Aug 14, 2026
MassMutual Private Wealth & Trust, FSBAdded 48.94%+$2.48K$7.54K0.00%Jul 2, 2026
Guggenheim Capital LLCReduce 0.49%-$2.26K$456K0.00%Aug 12, 2026
Optimize Financial Inc.Reduce 0.35%-$1.99K$573K0.21%Aug 27, 2026
Catherine Avery Investment Management LLCNew Buy+$1.56K$1.56K0.00%Jul 27, 2026
BNP PARIBAS ASSET MANAGEMENT Holding S.A.Reduce 4.72%-$1.2K$24.3K0.00%Aug 13, 2026
J.Safra Asset Management CorpReduce 16.45%-$1.11K$5.66K0.00%Aug 6, 2026
Stone House Investment Management, LLCSell 100%-$1.02K$00.00%Aug 5, 2026

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