LB PHARMACEUTICALS INC - LBRX

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 3 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Deep Track Capital, LP History No change 3,352,804 74,633 1.33% 1.48% 1 0 0.0% Q4 2025 Feb 13, 2026
BlackRock, Inc. History Added to 2,238,934 49,838 0.0% 0.0% 2 +1,263,934 129.63% Q4 2025 Feb 12, 2026
RA CAPITAL MANAGEMENT, L.P. History Added to 2,208,604 49,163 0.5% 0.35% 3 +431,646 24.29% Q4 2025 Feb 17, 2026
TCG Crossover Management, LLC History Reduced 1,745,015 38,844 1.29% 1.36% 4 -1 0.0% Q4 2025 Feb 17, 2026
JPMORGAN CHASE & CO History Added to 1,611,482 35,871 0.0% 0.0% 5 +578,879 56.06% Q4 2025 Feb 11, 2026
Commodore Capital LP History No change 1,500,000 33,390 2.22% 1.16% 6 0 0.0% Q4 2025 Feb 17, 2026
Trails Edge Capital Partners, LP History New 1,395,608 31,066 7.68% 7 +1,395,608 New Q4 2025 Feb 17, 2026
Logos Global Management LP History Added to 1,200,000 26,712 1.61% 1.6% 8 +70,000 6.19% Q4 2025 Feb 17, 2026
VANGUARD GROUP INC History New 1,112,978 24,774 0.0% 9 +1,112,978 New Q4 2025 Jan 29, 2026
Spruce Street Capital LP History New 1,005,593 22,384 7.4% 10 +1,005,593 New Q4 2025 Feb 13, 2026
BALYASNY ASSET MANAGEMENT L.P. History Reduced 896,806 19,962 0.03% 0.02% 11 -71,468 -7.38% Q4 2025 Feb 17, 2026
JENNISON ASSOCIATES LLC History Added to 821,852 18,294 0.01% 0.01% 12 +82,812 11.21% Q4 2025 Jan 30, 2026
Vivo Capital, LLC History No change 800,000 17,808 1.15% 1.02% 13 0 0.0% Q4 2025 Feb 13, 2026
Alyeska Investment Group, L.P. History No change 675,000 15,025 0.04% 0.03% 14 0 0.0% Q4 2025 Feb 13, 2026
Nantahala Capital Management, LLC History No change 675,000 15,025 0.5% 0.37% 15 0 0.0% Q4 2025 Feb 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 441,454 9,829 0.0% 0.0% 16 +427,863 3148.13% Q4 2025 Feb 09, 2026
CITADEL ADVISORS LLC History Reduced 407,668 9,074 0.0% 0.0% 17 -131,702 -24.42% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Reduced 303,115 6,747 0.0% 0.0% 18 -40,408 -11.76% Q4 2025 Mar 25, 2026
Nan Fung Group Holdings Ltd History No change 300,000 6,678 5.98% 7.95% 19 0 0.0% Q4 2025 Feb 13, 2026
STATE STREET CORP History New 250,030 5,565 0.0% 20 +250,030 New Q4 2025 Feb 13, 2026
FMR LLC History Reduced 221,865 4,938 0.0% 0.0% 21 -147,235 -39.89% Q4 2025 Feb 17, 2026
BAKER BROS. ADVISORS LP History No change 200,000 4,452 0.03% 0.02% 22 0 0.0% Q4 2025 Feb 17, 2026
AMERIPRISE FINANCIAL INC History Added to 193,544 4,308 0.0% 0.0% 23 +116,094 149.9% Q4 2025 Feb 17, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History New 177,616 3,953 0.0% 24 +177,616 New Q4 2025 Feb 13, 2026
NORTHERN TRUST CORP History New 143,966 3,204 0.0% 25 +143,966 New Q4 2025 Feb 17, 2026
HighVista Strategies LLC History New 140,107 3,118 0.8% 26 +140,107 New Q4 2025 Feb 17, 2026
Integral Health Asset Management, LLC History No change 100,000 2,226 0.11% 0.11% 27 0 0.0% Q4 2025 Feb 17, 2026
Longbow Finance SA History New 82,336 1,832 0.31% 28 +82,336 New Q4 2025 Feb 12, 2026
Boxer Capital Management, LLC History No change 70,000 1,558 0.34% 0.35% 29 0 0.0% Q4 2025 Feb 17, 2026
UBS Group AG History Added to 50,713 1,128 0.0% 0.0% 30 +49,658 4706.92% Q4 2025 Jan 29, 2026
BANK OF AMERICA CORP /DE/ History Added to 43,758 974 0.0% 0.0% 31 +42,058 2474.0% Q4 2025 Feb 17, 2026
Bank of New York Mellon Corp History New 40,517 901 0.0% 32 +40,517 New Q4 2025 Feb 10, 2026
JANE STREET GROUP, LLC History Added to 31,733 706 0.0% 0.0% 33 +1,388 4.57% Q4 2025 Feb 12, 2026
BARCLAYS PLC History Reduced 30,215 672 0.0% 0.0% 34 -624 -2.02% Q4 2025 Feb 13, 2026
ACUTA CAPITAL PARTNERS, LLC History No change 30,000 667 0.45% 0.49% 35 0 0.0% Q4 2025 Feb 17, 2026
MORGAN STANLEY History Added to 24,641 548 0.0% 0.0% 36 +15,036 156.54% Q4 2025 Feb 13, 2026
Nuveen, LLC History New 22,966 511 0.0% 37 +22,966 New Q4 2025 Feb 12, 2026
WELLS FARGO & COMPANY/MN History Added to 22,303 496 0.0% 0.0% 38 +21,303 2130.3% Q4 2025 Feb 13, 2026
Focus Partners Wealth History New 20,095 447 0.0% 39 +20,095 New Q4 2025 Feb 13, 2026
NORGES BANK History New 20,000 445 0.0% 40 +20,000 New Q4 2025 Feb 10, 2026
XTX Topco Ltd History Added to 19,121 425 0.01% 0.01% 41 +7,845 69.57% Q4 2025 Feb 17, 2026
MARSHALL WACE, LLP History Reduced 18,014 400 0.0% 0.0% 42 -237,512 -92.95% Q4 2025 Feb 13, 2026
RHUMBLINE ADVISERS History New 16,283 362 0.0% 43 +16,283 New Q4 2025 Feb 13, 2026
DEUTSCHE BANK AG\ History New 13,298 296 0.0% 44 +13,298 New Q4 2025 Feb 11, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 12,720 283 0.0% 0.0% 45 -780 -5.78% Q4 2025 Feb 17, 2026
Jefferies Financial Group Inc. History Reduced 12,445 277 0.0% 0.0% 46 -655 -5.0% Q4 2025 Feb 09, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Reduced 11,074 247 0.0% 0.0% 47 -271,570 -96.08% Q4 2025 Feb 17, 2026
MetLife Investment Management, LLC History New 11,104 247 0.0% 48 +11,104 New Q4 2025 Feb 12, 2026
Invesco Ltd. History New 10,955 243 0.0% 49 +10,955 New Q4 2025 Feb 19, 2026
Soleus Capital Management, L.P. History Reduced 10,000 222 0.01% 0.32% 50 -390,000 -97.5% Q4 2025 Feb 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History New 8,966 199 0.0% 51 +8,966 New Q4 2025 Feb 17, 2026
SG Americas Securities, LLC History New 6,434 143 0.0% 52 +6,434 New Q4 2025 Jan 09, 2026
FEDERATED HERMES, INC. History Reduced 5,000 111 0.0% 0.0% 53 -4,000 -44.44% Q4 2025 Feb 12, 2026
Police & Firemen's Retirement System of New Jersey History New 4,425 98 0.0% 54 +4,425 New Q4 2025 Feb 13, 2026
Persistent Asset Partners Ltd History New 4,080 90 0.04% 55 +4,080 New Q4 2025 Feb 17, 2026
BNP PARIBAS FINANCIAL MARKETS History New 4,007 89 0.0% 56 +4,007 New Q4 2025 Feb 10, 2026
STRS OHIO History New 3,400 75 0.0% 57 +3,400 New Q4 2025 Feb 02, 2026
Legal & General Group Plc History New 1,878 41 0.0% 58 +1,878 New Q4 2025 Feb 09, 2026
Ameritas Investment Partners, Inc. History New 1,562 34 0.0% 59 +1,562 New Q4 2025 Feb 11, 2026
Russell Investments Group, Ltd. History New 1,525 33 0.0% 60 +1,525 New Q4 2025 Feb 17, 2026
Tower Research Capital LLC (TRC) History New 1,361 30 0.0% 61 +1,361 New Q4 2025 Feb 17, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History New 1,184 26 0.0% 62 +1,184 New Q4 2025 Feb 17, 2026
ROYAL BANK OF CANADA History New 767 17 0.0% 63 +767 New Q4 2025 Feb 17, 2026
AMALGAMATED BANK History New 605 13 0.0% 64 +605 New Q4 2025 Feb 05, 2026
Sterling Capital Management LLC History New 592 13 0.0% 65 +592 New Q4 2025 Feb 13, 2026
CITIGROUP INC History New 435 9 0.0% 66 +435 New Q4 2025 Feb 13, 2026
MILLENNIUM MANAGEMENT LLC History Closed out 0 0 0.0% -538,169 -100.0% Q3 2025 Nov 14, 2025
WELLINGTON MANAGEMENT GROUP LLP History Closed out 0 0 0.0% -344,657 -100.0% Q3 2025 Nov 14, 2025
ADAGE CAPITAL PARTNERS GP, L.L.C. History Closed out 0 0 0.01% -200,000 -100.0% Q3 2025 Nov 14, 2025
SILVERARC CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.15% -70,000 -100.0% Q3 2025 Nov 12, 2025
HRT FINANCIAL LP History Closed out 0 0 0.0% -58,815 -100.0% Q3 2025 Nov 14, 2025
Monashee Investment Management LLC History Closed out 0 0 0.31% -40,000 -100.0% Q3 2025 Nov 12, 2025
TD ASSET MANAGEMENT INC History Closed out 0 0 0.0% -36,780 -100.0% Q3 2025 Nov 10, 2025
Hudson Bay Capital Management LP History Closed out 0 0 0.0% -27,097 -100.0% Q3 2025 Dec 15, 2025
Squarepoint Ops LLC History Closed out 0 0 0.0% -20,825 -100.0% Q3 2025 Nov 14, 2025
OXFORD ASSET MANAGEMENT LLP History Closed out 0 0 1.34% -17,763 -100.0% Q3 2025 Feb 17, 2026
ARISTEIA CAPITAL, L.L.C. History Closed out 0 0 0.01% -15,270 -100.0% Q3 2025 Nov 14, 2025
Quantessence Capital LLC History Closed out 0 0 0.07% -14,225 -100.0% Q3 2025 Nov 14, 2025
Brevan Howard Capital Management LP History Closed out 0 0 0.0% -13,259 -100.0% Q3 2025 Nov 14, 2025
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. History Closed out 0 0 0.01% -10,638 -100.0% Q3 2025 Nov 13, 2025
GAMMA Investing LLC History New 14 0 +14 New Q4 2025 Jan 05, 2026
Quarry LP History Closed out 0 0 -11 -100.0% Q3 2025 Nov 14, 2025
CWM, LLC History New 8 0 +8 New Q4 2025 Jan 26, 2026