HolderBook

THIRD HARMONIC BIO INC (THRD)

Institutional ownership reported to the SEC as of Q2 2026, across 16 quarters.

4
Reporting holders
$110.0K
Reported value
0.0%
Held as options
+1
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
RHUMBLINE ADVISERS$107.5K19,9800.00%15qHELD
GAMMA Investing LLC$2.5K4580.00%5qHELD
CALDWELL SUTTER CAPITAL, INC.$01,0000.00%newNEW
SBI Securities Co., Ltd.$0200.00%7qHELD

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 20264$110.0K21,4581000.0%
Q1 20263$110.0K20,4580010.0%
Q4 20253$111.5K20,7450010.0%
Q3 20257$1.2M219,2872210.0%
Q2 2025103$210.6M38,602,5032738160.5%
Q1 202596$134.2M38,612,6703133120.3%
Q4 202490$428.5M41,643,1701835170.0%
Q3 202479$558.1M41,182,1001331170.0%
Q2 202471$505.8M38,895,6531330140.0%
Q1 202463$362.8M38,437,2781318130.0%
Q4 202356$428.5M39,061,0711023100.0%
Q3 202352$241.5M37,786,3121216110.0%
Q2 202342$170.7M35,486,80562320.0%
Q1 202341$144.6M35,099,1981011120.0%
Q4 202239$139.6M32,459,75020570.0%
Q3 202240$672.8M35,467,92340000.0%