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KYNB

Kyntra Bio, Inc.

Company with tickers: KYNB

CIK
921299
CUSIP
31572Q881
Shares Outstanding
4,048,112
13F Activity (30d)
35 filings 32 filers
Holders: 33
Total Value: $7,621,607
Total Shares: 1,124,134

Institutional Ownership Trend

4 quarters

Holder Concentration

Across 33 13F filers · Δ vs Dec 31, 2025
Top Holder
35.6%
Jun 2025 → Mar 2026 · range 24.3% – 35.6%
+7.7 pts
Top 5
74.4%
Jun 2025 → Mar 2026 · range 72.9% – 77.4%
+0.8 pts
Top 10
91.3%
Jun 2025 → Mar 2026 · range 88.2% – 95.8%
+3.1 pts
HHI
1,743
Jun 2025 → Mar 2026 · range 1,436 – 1,743
Moderately concentrated +266

Quarterly Activity

vs Dec 31, 2025
New
8
Increased
5
Decreased
9
Sold Out
10
Unchanged
11
Holder count: -2
Institutional value: -39.4%
Shares held: -21.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega UBS Group AG +18,159 27,591
Mega GEODE CAPITAL MANAGEMENT, LLC +2,294 45,998
Mid Tower Research Capital LLC (TRC) +116 332
Large OSAIC HOLDINGS, INC. +78 180
Mega BNP PARIBAS ARBITRAGE, SA +1 50

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −193,000 89,400
Mega TWO SIGMA INVESTMENTS, LP −11,700 49,511
Mega MORGAN STANLEY −5,436 488
Large RENAISSANCE TECHNOLOGIES LLC −4,200 27,481
Mega BlackRock, Inc. −359 84,331

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 156,607 $1,061,795
Mega VANGUARD FIDUCIARY TRUST CO 23,942 $162,326
Small Birchview Capital, LP 22,566 $152,997
Mega Vanguard Global Advisers, LLC 1,424 $9,654
Small Axiom Investment Management LLC 704 $4,772

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 181,973 $1,597,721
Large MARSHALL WACE, LLP 32,502 $285,367
Mid DRW Securities, LLC 30,420 $267,087
Large TWO SIGMA ADVISERS, LP 22,809 $200,263
Mega CITADEL ADVISORS LLC 16,756 $147,117
Filter: New 8 Increased 5 Reduced 9 Sold out 10 Unchanged 11
Showing 33 of 33
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid ARMISTICE CAPITAL, LLC $2,712,000 35.58% 400,000
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,061,795 13.93% 156,607
Large ACADIAN ASSET MANAGEMENT LLC $715,866 9.39% 105,585
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $606,132 7.95% 89,400
Mega BlackRock, Inc. $571,762 7.50% 84,331
Mega TWO SIGMA INVESTMENTS, LP $335,684 4.40% 49,511
Mega GEODE CAPITAL MANAGEMENT, LLC $311,866 4.09% 45,998
Large HighTower Advisors, LLC $269,464 3.54% 39,744
Mega UBS Group AG $187,066 2.45% 27,591
Large RENAISSANCE TECHNOLOGIES LLC $186,321 2.44% 27,481
Mega VANGUARD FIDUCIARY TRUST CO Bank $162,326 2.13% 23,942
Small Birchview Capital, LP $152,997 2.01% 22,566
Mega STATE STREET CORP $137,525 1.80% 20,284
Mega JANE STREET GROUP, LLC $82,905 1.09% 12,228
Mid ADAR1 Capital Management, LLC $70,979 0.93% 10,469
Mid GROUP ONE TRADING LLC $30,455 0.40% 4,492
Mega Vanguard Global Advisers, LLC $9,654 0.13% 1,424
Small Axiom Investment Management LLC $4,772 0.06% 704
Mega MORGAN STANLEY $3,307 0.04% 488
Mid Tower Research Capital LLC (TRC) $2,250 0.03% 332
Mid HARBOUR INVESTMENTS, INC. $1,356 0.02% 200
Large NATIONAL BANK OF CANADA /FI/ Bank $1,308 0.02% 193
Large OSAIC HOLDINGS, INC. $1,220 0.02% 180
Mid SBI Securities Co., Ltd. Broker-Dealer $1,030 0.01% 152
Mega ROYAL BANK OF CANADA Bank $927 0.01% 137
Mega BNP PARIBAS ARBITRAGE, SA $339 0.00% 50
Large CWM, LLC $176 0.00% 26
Mega JPMORGAN CHASE & CO $81 0.00% 12
Micro CFG Wealth Management Services, Inc. $20 0.00% 3
Large US BANCORP \DE\ Bank $6 0.00% 1
Mega CITIGROUP INC $6 0.00% 1
Large DANSKE BANK A/S Bank $6 0.00% 1
Small Smithfield Trust Co Bank $6 0.00% 1

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