PBLS · Parabilis Medicines, Inc.
Market Cap
$5.03B
Shares
123.53M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 79
Total Value: $2,708,711,237
Total Shares: 98,966,433
Holder Concentration
Across 79 13F filersTop Holder
29.2%
of institutional value
Top 5
56.4%
of institutional value
Top 10
75.4%
of institutional value
HHI
1,165
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large RA CAPITAL MANAGEMENT, L.P. | $791,906,364 | 29.24% | 28,933,371 | Shares | 2026-08-14 | |
| Mega FMR LLC | $281,712,154 | 10.40% | 10,292,735 | Shares | 2026-08-13 | |
| Mid ARCH Venture Management, LLC | $175,517,788 | 6.48% | 6,412,780 | Shares | 2026-08-14 | |
| Small venBio Partners LLC | $144,149,496 | 5.32% | 5,266,697 | Shares | 2026-08-14 | |
| Large Alphabet Inc. | $134,646,660 | 4.97% | 4,919,498 | Shares | 2026-08-07 | |
| Mid Nextech Invest, Ltd. | $127,631,127 | 4.71% | 4,663,176 | Shares | 2026-08-14 | |
| Mid Cormorant Asset Management, LP | $126,329,300 | 4.66% | 4,615,612 | Shares | 2026-08-14 | |
| Small REGENERON PHARMACEUTICALS, INC. | $114,041,648 | 4.21% | 4,166,666 | Shares | 2026-08-07 | |
| Mid Siren, L.L.C. | $81,898,128 | 3.02% | 2,992,259 | Shares | 2026-08-13 | |
| Large FARALLON CAPITAL MANAGEMENT LLC | $64,817,634 | 2.39% | 2,368,200 | Shares | 2026-08-14 | |
| Mega Jupiter Topco LLC | $62,856,490 | 2.32% | 2,296,547 | Shares | 2026-08-14 | |
| Mid Frazier Life Sciences Management, L.P. | $52,572,432 | 1.94% | 1,920,805 | Shares | 2026-08-14 | |
| Mid DEERFIELD MANAGEMENT COMPANY, L.P. | $51,474,868 | 1.90% | 1,880,704 | Shares | 2026-08-14 | |
| Small General Catalyst Group Management, LLC | $43,817,645 | 1.62% | 1,600,937 | Shares | 2026-08-17 | |
| Mid GENERAL ATLANTIC, L.P. | $42,107,677 | 1.55% | 1,538,461 | Shares | 2026-08-14 | |
| Mid Soleus Capital Management, L.P. | $40,098,965 | 1.48% | 1,465,070 | Shares | 2026-08-11 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $35,648,850 | 1.32% | 1,302,479 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $31,666,049 | 1.17% | 1,156,962 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO | $28,540,667 | 1.05% | 1,042,772 | Shares | 2026-08-12 | |
| Small Foresite Capital Management VI LLC | $27,343,834 | 1.01% | 999,044 | Shares | 2026-08-14 | |
| Small Catalio Capital Management, LP | $22,554,056 | 0.83% | 824,043 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. | $22,177,336 | 0.82% | 810,279 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $20,580,789 | 0.76% | 751,947 | Shares | 2026-08-14 | |
| Mid Casdin Capital, LLC | $17,672,535 | 0.65% | 645,690 | Shares | 2026-08-14 | |
| Mid Venrock Adviser, LLC | $17,106,250 | 0.63% | 625,000 | Shares | 2026-08-14 | |
| Mid Rock Springs Capital Management LP | $15,820,626 | 0.58% | 578,028 | Shares | 2026-08-14 | |
| Mid SAMSARA BIOCAPITAL, LLC | $15,218,924 | 0.56% | 556,044 | Shares | 2026-08-14 | |
| Mid Logos Global Management LP | $14,369,250 | 0.53% | 525,000 | Shares | 2026-08-14 | |
| Large BAKER BROS. ADVISORS LP | $13,685,000 | 0.51% | 500,000 | Shares | 2026-08-14 | |
| Mid Bellevue Group AG | $13,685,000 | 0.51% | 500,000 | Shares | 2026-08-14 | |
| Large MARSHALL WACE, LLP | $12,189,475 | 0.45% | 445,359 | Shares | 2026-08-13 | |
| Mega FRANKLIN RESOURCES INC | $10,441,299 | 0.39% | 381,487 | Shares | 2026-08-13 | |
| Mid ICONIQ Capital, LLC | $9,579,500 | 0.35% | 350,000 | Shares | 2026-08-13 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $8,100,479 | 0.30% | 295,962 | Shares | 2026-08-03 | |
| Mid Kynam Capital Management, LP | $6,842,500 | 0.25% | 250,000 | Shares | 2026-08-14 | |
| Large FEDERATED HERMES, INC. | $6,738,494 | 0.25% | 246,200 | Shares | 2026-08-12 | |
| Mega AMERIPRISE FINANCIAL INC | $4,783,537 | 0.18% | 174,773 | Shares | 2026-08-14 | |
| Large Driehaus Capital Management LLC | $2,737,000 | 0.10% | 100,000 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $2,719,428 | 0.10% | 99,358 | Shares | 2026-08-12 | |
| Mega TD Asset Management Inc | $2,106,997 | 0.08% | 76,982 | Shares | 2026-08-04 | |
| Large Squarepoint Ops LLC | $1,327,007 | 0.05% | 48,484 | Shares | 2026-08-14 | |
| Large TUDOR INVESTMENT CORP ET AL | $1,205,511 | 0.04% | 44,045 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $1,059,164 | 0.04% | 38,698 | Shares | 2026-08-13 | |
| Mid WINTON GROUP Ltd | $955,213 | 0.04% | 34,900 | Shares | 2026-08-07 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $760,886 | 0.03% | 27,800 | Shares | 2026-08-13 | |
| Large Balyasny Asset Management L.P. | $664,105 | 0.02% | 24,264 | Shares | 2026-08-14 | |
| Large Hudson Bay Capital Management LP | $621,025 | 0.02% | 22,690 | Shares | 2026-08-14 | |
| Mid Brevan Howard Capital Management LP | $617,604 | 0.02% | 22,565 | Shares | 2026-08-14 | |
| Mid Ghisallo Capital Management LLC | $547,400 | 0.02% | 20,000 | Shares | 2026-08-14 | |
| Mega Mitsubishi UFJ Asset Management Co., Ltd. | $525,504 | 0.02% | 19,200 | Shares | 2026-08-07 | |
| Large Vanguard Personalized Indexing Management, LLC | $321,022 | 0.01% | 11,729 | Shares | 2026-08-11 | |
| Mid SEVEN GRAND MANAGERS, LLC | $273,700 | 0.01% | 10,000 | Shares | 2026-08-14 | |
| Mid Burkehill Global Management, LP | $273,700 | 0.01% | 10,000 | Shares | 2026-08-14 | |
| Large Alyeska Investment Group, L.P. | $273,700 | 0.01% | 10,000 | Shares | 2026-08-14 | |
| Large ExodusPoint Capital Management, LP | $265,242 | 0.01% | 9,691 | Shares | 2026-08-14 | |
| Small Scientech Research LLC | $261,766 | 0.01% | 9,564 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP | $239,241 | 0.01% | 8,741 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC | $225,884 | 0.01% | 8,253 | Shares | 2026-08-14 | |
| Small Persistent Asset Partners Ltd | $113,038 | 0.00% | 4,130 | Shares | 2026-08-07 | |
| Mid Tower Research Capital LLC (TRC) | $56,655 | 0.00% | 2,070 | Shares | 2026-08-11 | |
| Mega CITIGROUP INC | $51,154 | 0.00% | 1,869 | Shares | 2026-08-03 | |
| Mid China Universal Asset Management Co., Ltd. | $43,792 | 0.00% | 1,600 | Shares | 2026-07-24 | |
| Mega WELLS FARGO & COMPANY/MN | $31,530 | 0.00% | 1,152 | Shares | 2026-08-14 | |
| Large OSAIC HOLDINGS, INC. | $25,180 | 0.00% | 920 | Shares | 2026-08-14 | |
| Mid Parallel Advisors, LLC | $15,053 | 0.00% | 550 | Shares | 2026-08-05 | |
| Small Rialto Wealth Management, LLC | $13,903 | 0.00% | 508 | Shares | 2026-08-11 | |
| Mid Longaeva Partners L.P. | $13,685 | 0.00% | 500 | Shares | 2026-08-14 | |
| Small Bell Investment Advisors, Inc | $12,343 | 0.00% | 451 | Shares | 2026-08-07 | |
| Mid EverSource Wealth Advisors, LLC | $7,143 | 0.00% | 261 | Shares | 2026-07-24 | |
| Mega MORGAN STANLEY | $5,474 | 0.00% | 200 | Shares | 2026-08-13 | |
| Mid Atlantic Union Bankshares Corp | $4,926 | 0.00% | 180 | Shares | 2026-08-11 | |
| Large JONES FINANCIAL COMPANIES LLLP | $2,819 | 0.00% | 103 | Shares | 2026-08-14 | |
| Mid Allworth Financial LP | $2,737 | 0.00% | 100 | Shares | 2026-08-11 | |
| Micro Avion Wealth | $1,888 | 0.00% | 69 | Shares | 2026-07-31 | |
| Large FIFTH THIRD BANCORP Bank | $1,642 | 0.00% | 60 | Shares | 2026-08-05 | |
| Small Physician Wealth Advisors, Inc. | $1,614 | 0.00% | 59 | Shares | 2026-07-20 | |
| Mid North Star Investment Management Corp. | $1,423 | 0.00% | 52 | Shares | 2026-07-28 | |
| Small Cornerstone Financial Management LLC | $793 | 0.00% | 29 | Shares | 2026-08-28 | |
| Mid Bogart Wealth, LLC | $520 | 0.00% | 19 | Shares | 2026-07-24 |
Key facts
CIK
1657677
CUSIP
698955101
13F (30d)
68 filings
68 filers
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Investor relations