Kalaris Therapeutics Inc
$3.90-0.5%
+$3.3M
Net Activity
-2.92% total shares
Institutions Holding
57
Popularity Rank
#5827
Avg Weight
0.09%
Total Value
$73.4M
Market Cap
$59.5M
57 institutions currently hold KLRS, with 30 net buyers and 22 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
22
Net Buying Institutions
30
Top 5 by Value
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Across its top 20 institutional holders, KLRS's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 14/100, avg. turnover score 48/100).
KLRS ranks #5827 out of 37503 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
57 institutions disclose a position in KLRS, but none treat it as a major bet — even Samsara BioCapital, LLC, its most concentrated holder, allocates just 4.3% of its own portfolio to it.
UBS Group AG has added to its KLRS position for two straight quarters, increasing it by $1.0M to reach $1.1M today.
Samsara BioCapital, LLC has trimmed its KLRS position for two straight quarters, cutting it by $56.9M while still holding $52.4M.
KLRS is down 0.5% today, but institutions show net buying of $3.3M this quarter — a divergence between today's price move and the underlying institutional flow.
KLRS reported a net loss of $43.4M in its latest fiscal year.
+$4.7M
Total Buy Value
$9.6M
Total Sell Value
30
Net Buyers
22
Net Sellers
KLRS
Q2 2026
Top 5 Institutional Movers
-$22.3M
-$2.2M
-$1.7M
+$1.0M
KLRS does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
4
Filings (14d)
Kalaris Therapeutics (KLRS) put out a press release on August 11, 2026, announcing its financial results for the quarter ended June 30, 2026, and attached that release as Exhibit 99.1 to this Form 8-K. The 8-K is furnished rather than filed, meaning it is not treated as an SEC filing subject to Section 18 liability and is not automatically incorporated into other filings.
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)On July 17, 2026, Kalaris Therapeutics announced positive additional data from the Phase 1a single ascending dose clinical trial of TH103 for neovascular age-related macular degeneration (nAMD), from expanded cohorts. The company also made available an updated corporate presentation for upcoming investor and analyst meetings.
View Full Filing (SEC EDGAR)Kalaris Therapeutics announced on July 3, 2026 that director Morana Jovan-Embiricos resigned immediately, also stepping down from the audit committee. The company elected Laurie Keating to the board and audit committee, effective August 1, 2026. Keating will receive an option to purchase 18,000 shares vesting over three years, annual cash compensation of $47,500, plus annual equity grants and expense reimbursement.
View Full Filing (SEC EDGAR)482929106
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,243
Total reported value
$2.2T
3231 13F institutions increased their position this quarter
Institutions Holding
5,991
Total reported value
$3.6T
3034 13F institutions increased their position this quarter
Institutions Holding
6,154
Total reported value
$1.8T
2973 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,764
Total reported value
$1.2T
Held by 4764 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,692
Total reported value
$473.3B
Held by 4692 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,638
Total reported value
$985.8B
Held by 4638 institutions — one of the most-tracked stocks on AlphaSMO
Access KLRS's institutional ownership data programmatically:
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