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Definium Therapeutics Inc (DFTX)

CUSIP: 24477V105 | NYSE | Healthcare · Biotechnology | Mid Cap | 429 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13GFMR LLC8,791,7206.5%New 5%+ stakeSep 30, 20264,752,921 sh (Jun 30, 2026)
13GFMR LLC

Institutional Holders — Q3 2026

Bank of New York Mellon Corp850,275
0.0% of portfolio›$32.4M
Candriam S.C.A.515,277
0.1% of portfolio›$19.7M
Assetmark, Inc399,964
0.0% of portfolio›$15.2M
SEB Asset Management AB208,254
0.0% of portfolio›$7.9M
Alps Advisors Inc178,006
0.0% of portfolio›$6.8M
Moody Aldrich Partners LLC148,870
1.1% of portfolio›$5.7M
Lisanti Capital Growth, LLC69,550
0.7% of portfolio›$2.6M
Premier Fund Managers Ltd61,428
1.3% of portfolio›$2.3M
Citigroup Inc56,867
0.0% of portfolio›$2.2M
Kestra Private Wealth Services, LLC50,588
0.0% of portfolio›$1.9M
Nisa Investment Advisors, LLC49,607
0.0% of portfolio›$1.9M
Strs Ohio46,100
0.0% of portfolio›$1.8M
Peak Financial Advisors LLC45,224
0.7% of portfolio›$1.7M
Profund Advisors LLC42,885
0.0% of portfolio›$1.6M
TD Waterhouse Canada Inc.37,147
0.0% of portfolio›$1.4M
State of New Jersey Common Pension Fund D36,440
0.0% of portfolio›$1.4M
Simplex Trading, LLC33,571
0.0% of portfolio›$1.3M
Kingswood Wealth Advisors, LLC32,065
0.0% of portfolio›$1.2M
Arizona State Retirement System31,796
0.0% of portfolio›$1.2M
China Universal Asset Management Co., Ltd.27,517
0.1% of portfolio›$1.1M
Stableford Capital II LLC25,951
0.3% of portfolio›$987.7K
TFB Advisors LLC22,064
0.3% of portfolio›$839.8K
Concurrent Investment Advisors, LLC20,589
0.0% of portfolio›$783.6K
ProShare Advisors LLC20,366
0.0% of portfolio›$775.1K
Pictet Asset Management Holding SA18,674
0.0% of portfolio›$710.7K
Elevation Point Wealth Partners, LLC17,873
0.0% of portfolio›$680.2K
Y-Intercept (Hong Kong) Ltd16,000
0.0% of portfolio›$609.0K
Twelve Points Wealth Management LLC14,714
0.1% of portfolio›$534.5K
Principal Financial Group Inc14,451
0.0% of portfolio›$550.0K
Heritage Wealth Management, Inc.12,400
0.2% of portfolio›$471.9K
Creative Planning12,359
0.0% of portfolio›$470.4K
Farther Finance Advisors, LLC12,338
0.0% of portfolio›$469.6K
Xponance LLC12,050
0.0% of portfolio›$458.6K
Diversify Wealth Management, LLC10,058
0.0% of portfolio›$344.6K
Diversify Advisory Services, LLC10,058
0.0% of portfolio›$344.6K
Commonwealth Equity Services, LLC9,832
0.0% of portfolio›$374.2K
AlphaCentric Advisors LLC9,616
0.3% of portfolio›$366.0K
Wealth Enhancement Advisory Services, LLC9,205
0.0% of portfolio›$314.6K
CenterBook Partners LP9,104
0.0% of portfolio›$346.5K
Chicago Partners Investment Group LLC8,535
0.0% of portfolio›$304.4K
Fearless Solutions, LLC dba Best Invest7,866
0.2% of portfolio›$299.4K
Abel Hall, LLC7,813
0.1% of portfolio›$297.4K
Swiss Life Asset Management Ltd7,756
0.0% of portfolio›$295.2K
Chiron Capital Management, LLC7,000
0.3% of portfolio›$266.4K
State of Wyoming6,905
0.0% of portfolio›$262.8K
North Star Investment Management Corp.6,901
0.0% of portfolio›$262.7K
Mirae Asset Global Investments Co., Ltd.6,866
0.0% of portfolio›$261.3K
PSP Research LLC6,500
0.2% of portfolio›$247.4K
AMG National Trust Bank6,369
0.0% of portfolio›$242.4K
Bailard, Inc.6,277
0.0% of portfolio›$238.9K
Embree Financial Group6,036
0.0% of portfolio›$229.7K
Fiduciary Alliance LLC6,000
0.0% of portfolio›$228.4K
Retirement Financial Solutions, LLC6,000
0.1% of portfolio›$228.4K
CRA Financial Services, LLC5,846
0.0% of portfolio›$222.5K
Cambridge Investment Research Advisors, Inc.5,274
0.0% of portfolio›$201.0K
FNY Investment Advisers, LLC4,250
0.2% of portfolio›$161.0K
Sterling Capital Management LLC4,128
0.0% of portfolio›$157.1K
US Bancorp \de\3,831
0.0% of portfolio›$145.8K
KBC Group NV3,310
0.0% of portfolio›$126.0K
Fifth Third Bancorp3,300
0.0% of portfolio›$125.6K
GF Fund Management Co. Ltd.2,298
0.0% of portfolio›$87.5K
Harbor Investment Advisory, LLC1,800
0.0% of portfolio›$68.5K
High Note Wealth, LLC1,600
0.0% of portfolio›$60.9K
Gamma Investing LLC1,555
0.0% of portfolio›$59.2K
Stone House Investment Management, LLC1,000
0.0% of portfolio›$38.1K
First Horizon Corp966
0.0% of portfolio›$36.8K
Bullock Wealth Management Group907
0.0% of portfolio›$34.1K
EverSource Wealth Advisors, LLC883
0.0% of portfolio›$33.6K
Pinnacle Wealth Planning Services, Inc.757
0.0% of portfolio›$28.8K
Larson Financial Group LLC717
0.0% of portfolio›$27.3K
Parallel Advisors, LLC455
0.0% of portfolio›$17.3K
MassMutual Private Wealth & Trust, FSB448
0.0% of portfolio›$17.1K
Nvwm, LLC416
0.0% of portfolio›$15.8K
GK Wealth Management LLC360
0.0% of portfolio›$13.7K
Western Pacific Wealth Management, LP333
0.0% of portfolio›$12.7K
SBI Securities Co., Ltd.315
0.0% of portfolio›$12.0K
Caitong International Asset Management Co., Ltd307
0.0% of portfolio›$11.7K
Cape Investment Advisory, Inc.296
0.0% of portfolio›$11.3K
Compass Financial Management LLC263
0.0% of portfolio›$10.0K
IFP Advisors, Inc228
0.0% of portfolio›$8.7K
Leonteq Securities AG227
0.0% of portfolio›$8.6K
Parkside Financial Bank & Trust204
0.0% of portfolio›$7.8K
Atlantic Edge Private Wealth Management, LLC193
0.0% of portfolio›$7.3K
Madden Securities Corp160
0.0% of portfolio›$6.1K
Armstrong Advisory Group, Inc153
0.0% of portfolio›$5.8K
Root Financial Partners, LLC125
0.0% of portfolio›$4.8K
Redwood Park Advisors LLC110
0.0% of portfolio›$4.2K
Lanark Financial, Inc.100
0.0% of portfolio›$3.8K
Versant Capital Management, Inc90
0.0% of portfolio›$3.4K
Intelligent Financial Strategies77
0.0% of portfolio›$2.9K
MH & Associates Securities Management Corp66
0.0% of portfolio›$2.5K
Guardian Partners Inc.66
0.0% of portfolio›$2.5K
William Mack & Associates, Inc.66
0.0% of portfolio›$2.5K
Mcdonald Partners LLC66
0.0% of portfolio›$2.5K
Activest Wealth Management66
0.0% of portfolio›$2.5K
Essential Partners LLC60
0.0% of portfolio›$2.3K
SJS Investment Consulting Inc.51
0.0% of portfolio›$1.9K
TD Private Client Wealth LLC43
0.0% of portfolio›$1.6K
Signaturefd, LLC40
0.0% of portfolio›$1.5K
Plante Moran Financial Advisors, LLC36
0.0% of portfolio›$1.4K
RMG Wealth Management LLC30
0.0% of portfolio›$1.1K
Robbins Farley28
0.0% of portfolio›$1.1K
Rachor Investment Advisory Services, LLC25
0.0% of portfolio›$952
Hilton Head Capital Partners, LLC20
0.0% of portfolio›$761
Bare Financial Services, Inc18
0.0% of portfolio›$685
Covestor Ltd12
0.0% of portfolio›$0
Key Capital Management, Inc11
0.0% of portfolio›$419
Rakuten Securities, Inc.10
0.0% of portfolio›$381
Provenance Wealth Advisors, LLC6
0.0% of portfolio›$228
True Wealth Design, LLC2
0.0% of portfolio›$77
Hughes Financial Services, LLC1
0.0% of portfolio›$38
StyleTurnoverLocationFiled
Bank of New York Mellon Corp
850,275$32.4M0.0%CoreLowNew York, NY2026-11-05
Candriam S.C.A.
515,277$19.7M0.1%GrowthMediumStrassen, Netherlands2026-11-03
Assetmark, Inc
399,964$15.2M0.0%ETFLowConcord, CA2026-10-21
SEB Asset Management AB
208,254$7.9M0.0%CoreN/AStockholm, Sweden2026-11-04
Alps Advisors Inc
178,006$6.8M0.0%YieldLowDenver, CO2026-11-03
Moody Aldrich Partners LLC
148,870$5.7M1.1%ValueHighMarblehead, MA2026-10-27
Lisanti Capital Growth, LLC
69,550$2.6M0.7%GrowthVery HighNew York, NY2026-11-05
Premier Fund Managers Ltd
61,428$2.3M1.3%MomentumMediumLondon, United Kingdom2026-11-02
Citigroup Inc
56,867$2.2M0.0%CoreMediumNew York, NY2026-11-04
Kestra Private Wealth Services, LLC
50,588$1.9M0.0%GrowthLowAustin, TX2026-10-30
Nisa Investment Advisors, LLC
49,607$1.9M0.0%IndexVery LowSt. Louis, MO2026-10-20
Strs Ohio
46,100$1.8M0.0%CoreMediumColumbus, OH2026-10-30
Peak Financial Advisors LLC
45,224$1.7M0.7%CoreHighDenver, CO2026-10-28
Profund Advisors LLC
42,885$1.6M0.0%GrowthLowBethesda, MD2026-10-29
TD Waterhouse Canada Inc.
37,147$1.4M0.0%CoreLowToronto, Australia2026-10-16
State of New Jersey Common Pension Fund D
36,440$1.4M0.0%CoreLowTrenton, NJ2026-11-05
Simplex Trading, LLC
33,571$1.3M0.0%CoreVery HighChicago, IL2026-11-04
Kingswood Wealth Advisors, LLC
32,065$1.2M0.0%GrowthLowSan Diego, CA2026-10-23
Arizona State Retirement System
31,796$1.2M0.0%IndexVery LowPhoenix, AZ2026-11-03
China Universal Asset Management Co., Ltd.
27,517$1.1M0.1%GrowthMediumShanghai, France2026-10-28
Stableford Capital II LLC
25,951$987.7K0.3%CoreHighScottsdale, AZ2026-10-09
TFB Advisors LLC
22,064$839.8K0.3%ETFLowOverland Park, KS2026-11-02
Concurrent Investment Advisors, LLC
20,589$783.6K0.0%GrowthMediumTampa, FL2026-10-16
ProShare Advisors LLC
20,366$775.1K0.0%GrowthLowBethesda, MD2026-10-29
Pictet Asset Management Holding SA
18,674$710.7K0.0%GrowthMediumCarouge, Switzerland2026-11-03
Elevation Point Wealth Partners, LLC
17,873$680.2K0.0%CoreHighDenver, CO2026-11-05
Y-Intercept (Hong Kong) Ltd
16,000$609.0K0.0%ValueVery HighHong Kong, South Korea2026-10-16
Twelve Points Wealth Management LLC
14,714$534.5K0.1%ETFMediumConcord, MA2026-11-03
Principal Financial Group Inc
14,451$550.0K0.0%CoreLowDes Moines, IA2026-11-02
Heritage Wealth Management, Inc.
12,400$471.9K0.2%ETFLowSan Diego, CA2026-10-27
Creative Planning
12,359$470.4K0.0%IndexVery LowOverland Park, KS2026-11-02
Farther Finance Advisors, LLC
12,338$469.6K0.0%IndexLowSan Francisco, CA2026-10-08
Xponance LLC
12,050$458.6K0.0%IndexVery LowPhiladelphia, PA2026-11-03
Diversify Wealth Management, LLC
10,058$344.6K0.0%GrowthMediumSandy, UT2026-10-20
Diversify Advisory Services, LLC
10,058$344.6K0.0%GrowthLowSandy, UT2026-10-20
Commonwealth Equity Services, LLC
9,832$374.2K0.0%ETFLowWaltham, MA2026-11-02
AlphaCentric Advisors LLC
9,616$366.0K0.3%CoreHighSan Juan, PR2026-11-03
Wealth Enhancement Advisory Services, LLC
9,205$314.6K0.0%CoreLowPlymouth, MN2026-10-13
CenterBook Partners LP
9,104$346.5K0.0%ValueVery HighGreenwich, CT2026-11-02
Chicago Partners Investment Group LLC
8,535$304.4K0.0%GARPLowChicago, IL2026-10-27
Fearless Solutions, LLC dba Best Invest
7,866$299.4K0.2%ETFLowSan Antonio, TX2026-10-14
Abel Hall, LLC
7,813$297.4K0.1%CoreMediumBaton Rouge, LA2026-10-19
Swiss Life Asset Management Ltd
7,756$295.2K0.0%CoreLowZurich, Switzerland2026-11-03
Chiron Capital Management, LLC
7,000$266.4K0.3%YieldMediumTallahassee, FL2026-10-15
State of Wyoming
6,905$262.8K0.0%ValueHighCheyenne, WY2026-10-28
North Star Investment Management Corp.
6,901$262.7K0.0%CoreLowChicago, IL2026-10-27
Mirae Asset Global Investments Co., Ltd.
6,866$261.3K0.0%GrowthLowSeoul, Malaysia2026-11-03
PSP Research LLC
6,500$247.4K0.2%ETFMediumLas Vegas, NV2026-10-21
AMG National Trust Bank
6,369$242.4K0.0%ETFLowGreenwood Village, CO2026-11-05
Bailard, Inc.
6,277$238.9K0.0%GrowthMediumFoster City, CA2026-10-13
Embree Financial Group
6,036$229.7K0.0%ETFLowChicago, IL2026-10-22
Fiduciary Alliance LLC
6,000$228.4K0.0%CoreMediumGreenville, SC2026-10-13
Retirement Financial Solutions, LLC
6,000$228.4K0.1%ETFMediumKnoxville, TN2026-10-20
CRA Financial Services, LLC
5,846$222.5K0.0%ETFVery LowNorthfield, NJ2026-10-16
Cambridge Investment Research Advisors, Inc.
5,274$201.0K0.0%ETFLowFairfield, IA2026-11-02
FNY Investment Advisers, LLC
4,250$161.0K0.2%GrowthVery HighNew York, NY2026-10-16
Sterling Capital Management LLC
4,128$157.1K0.0%GARPMediumCharlotte, NC2026-10-22
US Bancorp \de\
3,831$145.8K0.0%IndexLowMinneapolis, MN2026-11-05
KBC Group NV
3,310$126.0K0.0%CoreMediumBrussels, Czech Republic2026-10-22
Fifth Third Bancorp
3,300$125.6K0.0%IndexVery LowCincinnati, OH2026-11-05
GF Fund Management Co. Ltd.
2,298$87.5K0.0%Agg GrowthMediumGuangzhou, France2026-10-26
Harbor Investment Advisory, LLC
1,800$68.5K0.0%GrowthLowLutherville, MD2026-10-13
High Note Wealth, LLC
1,600$60.9K0.0%ETFVery LowDeephaven, MN2026-10-27
Gamma Investing LLC
1,555$59.2K0.0%IndexVery LowFoster City, CA2026-10-08
Stone House Investment Management, LLC
1,000$38.1K0.0%ETFMediumTunkhannock, PA2026-10-23
First Horizon Corp
966$36.8K0.0%CoreLowMemphis, TN2026-10-26
Bullock Wealth Management Group
907$34.1K0.0%GrowthLowBloomington, IN2026-10-09
EverSource Wealth Advisors, LLC
883$33.6K0.0%CoreMediumBirmingham, AL2026-11-04
Pinnacle Wealth Planning Services, Inc.
757$28.8K0.0%GARPLowMansfield, OH2026-10-27
Larson Financial Group LLC
717$27.3K0.0%GrowthLowSt Louis, MO2026-11-05
Parallel Advisors, LLC
455$17.3K0.0%IndexLowSan Francisco, CA2026-11-03
MassMutual Private Wealth & Trust, FSB
448$17.1K0.0%CoreLowSpringfield, MA2026-10-05
Nvwm, LLC
416$15.8K0.0%GrowthMediumYardley, PA2026-10-14
GK Wealth Management LLC
360$13.7K0.0%GARPVery HighReno, NV2026-10-09
Western Pacific Wealth Management, LP
333$12.7K0.0%GrowthLowLake Forest, IL2026-10-16
SBI Securities Co., Ltd.
315$12.0K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Caitong International Asset Management Co., Ltd
307$11.7K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
Cape Investment Advisory, Inc.
296$11.3K0.0%ETFLowMcdonough, GA2026-10-13
Compass Financial Management LLC
263$10.0K0.0%CoreN/ATampa, FL2026-10-30
IFP Advisors, Inc
228$8.7K0.0%GrowthLowTampa, FL2026-10-16
Leonteq Securities AG
227$8.6K0.0%CoreHighZurich, Switzerland2026-10-29
Parkside Financial Bank & Trust
204$7.8K0.0%CoreVery LowSaint Louis, MO2026-10-27
Atlantic Edge Private Wealth Management, LLC
193$7.3K0.0%CoreLowJacksonville, FL2026-10-20
Madden Securities Corp
160$6.1K0.0%GrowthMediumDallas, TX2026-10-27
Armstrong Advisory Group, Inc
153$5.8K0.0%ETFHighNeedham, MA2026-10-09
Root Financial Partners, LLC
125$4.8K0.0%ETFMediumEncinitas, CA2026-10-21
Redwood Park Advisors LLC
110$4.2K0.0%ETFVery LowRedwood City, CA2026-11-02
Lanark Financial, Inc.
100$3.8K0.0%CoreMediumBirmingham, AL2026-10-26
Versant Capital Management, Inc
90$3.4K0.0%GARPLowPhoenix, AZ2026-10-02
Intelligent Financial Strategies
77$2.9K0.0%ETFVery LowExcelsior, MN2026-10-16
MH & Associates Securities Management Corp
66$2.5K0.0%YieldLowCarlsbad, CA2026-10-30
Guardian Partners Inc.
66$2.5K0.0%ValueMediumToronto, South Africa2026-10-21
William Mack & Associates, Inc.
66$2.5K0.0%ETFLowTroy, MI2026-10-27
Mcdonald Partners LLC
66$2.5K0.0%CoreLowCleveland, OH2026-11-03
Activest Wealth Management
66$2.5K0.0%ETFLowAventura, FL2026-10-15
Essential Partners LLC
60$2.3K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
SJS Investment Consulting Inc.
51$1.9K0.0%ETFVery LowSylvania, OH2026-10-26
TD Private Client Wealth LLC
43$1.6K0.0%ETFLowNew York, NY2026-10-28
Signaturefd, LLC
40$1.5K0.0%IndexLowAtlanta, GA2026-10-23
Plante Moran Financial Advisors, LLC
36$1.4K0.0%ETFVery LowSouthfield, MI2026-11-04
RMG Wealth Management LLC
30$1.1K0.0%ETFVery HighPlatteville, WI2026-10-26
Robbins Farley
28$1.1K0.0%CoreMediumBedford, NH2026-10-21
Rachor Investment Advisory Services, LLC
25$9520.0%ETFVery LowLinden, MI2026-10-29
Hilton Head Capital Partners, LLC
20$7610.0%CoreMediumHilton Head Island, SC2026-10-23
Bare Financial Services, Inc
18$6850.0%ETFVery LowGap, PA2026-11-04
Covestor Ltd
12$00.0%ValueHighLondon, United Kingdom2026-10-30
Key Capital Management, Inc
11$4190.0%ETFMediumHendersonville, Tn 37075, TN2026-11-03
Rakuten Securities, Inc.
10$3810.0%Agg GrowthHighTokyo, Mexico2026-11-02
Provenance Wealth Advisors, LLC
6$2280.0%ETFLowFort Lauderdale, FL2026-10-30
True Wealth Design, LLC
2$770.0%ETFMediumAkron, OH2026-10-13
Hughes Financial Services, LLC
1$380.0%ETFLowHerndon, VA2026-10-30
8,791,720
6.5% of class · Sep 30, 2026New 5%+ stake
4,752,921 sh (Jun 30, 2026)