PDSB
PDS Biotechnology CorpCompany with tickers: PDSB
CIK
1472091
CUSIP
70465T107
Shares Outstanding
55,815,653
Website
https://www.pdsbiotech.com
13F Activity (30d)
16 filings
16 filers
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: 32
Total Value: $2,527,513
Total Shares: 4,177,728
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 32 13F filers · Δ vs Dec 31, 2025Top Holder
39.0%
+16.6 pts
Top 5
77.0%
+16.1 pts
Top 10
91.1%
+4.5 pts
HHI
1,990
Moderately concentrated+945
Quarterly Activity
vs Dec 31, 2025
New
8
Increased
7
Decreased
6
Sold Out
9
Unchanged
11
Holder count:
-1
Institutional value:
+41.8%
Shares held:
+80.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +139,830 | 660,228 | |
| Large BLAIR WILLIAM & CO/IL | +50,000 | 300,000 | |
| Large Rockefeller Capital Management L.P. | +2,000 | 27,664 | |
| Mid XTX Topco Ltd | +1,993 | 36,211 | |
| Small INSPIRION WEALTH ADVISORS, LLC | +1,500 | 181,995 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large COMMONWEALTH EQUITY SERVICES, LLC | −106,000 | 90,797 | |
| Mega NORTHERN TRUST CORP | −34,980 | 108,893 | |
| Mid SIMPLEX TRADING, LLC | −18,835 | 271 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | −16,514 | 22,052 | |
| Mega RAYMOND JAMES FINANCIAL INC | −3,500 | 10,236 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 1,631,089 | $986,808 | |
| Large Caption Management, LLC | 319,100 | $193,055 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 307,311 | $185,923 | |
| Mid NINE MASTS CAPITAL Ltd | 67,507 | $40,841 | |
| Small TWO SIGMA SECURITIES, LLC | 31,481 | $19,046 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega UBS Group AG | 251,705 | $193,812 | |
| Large Squarepoint Ops LLC | 192,556 | $148,268 | |
| Mid Virtu Financial LLC | 32,099 | $24,716 | |
| Small StoneX Group Inc. | 16,000 | $12,320 | |
| Large FIRST MANHATTAN CO. LLC. | 15,000 | $11,550 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $986,808 | 39.04% | 1,631,089 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $399,436 | 15.80% | 660,228 | Shares | Defined | 2026-05-15 | ||||
| Large Caption Management, LLC | $193,055 | 7.64% | 319,100 | Call | Sole | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $185,923 | 7.36% | 307,311 | Shares | Defined | 2026-05-08 | ||||
| Large BLAIR WILLIAM & CO/IL | $181,500 | 7.18% | 300,000 | Shares | Sole | 2026-05-08 | ||||
| Small INSPIRION WEALTH ADVISORS, LLC | $110,106 | 4.36% | 181,995 | Shares | Sole | 2026-04-08 | ||||
| Mega STATE STREET CORP | $80,666 | 3.19% | 133,333 | Shares | Defined | 2026-05-15 | ||||
| Mega NORTHERN TRUST CORP Bank | $65,880 | 2.61% | 108,893 | Shares | Defined | 2026-05-14 | ||||
| Large COMMONWEALTH EQUITY SERVICES, LLC | $54,932 | 2.17% | 90,797 | Shares | Sole | 2026-04-27 | ||||
| Small Iron Gate Global Advisors LLC | $45,388 | 1.80% | 75,022 | Shares | Sole | 2026-05-15 | ||||
| Mid NINE MASTS CAPITAL Ltd | $40,841 | 1.62% | 67,507 | Shares | Sole | 2026-05-13 | ||||
| Small Tempus Wealth Planning, LLC | $37,389 | 1.48% | 61,800 | Shares | Sole | 2026-04-29 | ||||
| Mid XTX Topco Ltd | $21,907 | 0.87% | 36,211 | Shares | Defined | 2026-05-15 | ||||
| Small TWO SIGMA SECURITIES, LLC Broker-Dealer | $19,046 | 0.75% | 31,481 | Shares | Sole | 2026-05-15 | ||||
| Small ACT CAPITAL MANAGEMENT, LLC | $18,150 | 0.72% | 30,000 | Shares | Sole | 2026-05-08 | ||||
| Large Rockefeller Capital Management L.P. | $16,736 | 0.66% | 27,664 | Shares | Defined | 2026-05-14 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $13,340 | 0.53% | 22,052 | Shares | Other | 2026-05-15 | ||||
| Large Federation des caisses Desjardins du Quebec | $8,954 | 0.35% | 14,800 | Shares | Defined | 2026-05-14 | ||||
| Small Wealth Group, Ltd. | $8,106 | 0.32% | 13,399 | Shares | Sole | 2026-04-14 | ||||
| Mega Vanguard Global Advisers, LLC | $7,590 | 0.30% | 12,546 | Shares | Defined | 2026-05-08 | ||||
| Mid UNITED CAPITAL FINANCIAL ADVISORS, LLC | $7,260 | 0.29% | 12,000 | Shares | Defined | 2026-05-15 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $6,192 | 0.24% | 10,236 | Shares | Defined | 2026-05-14 | ||||
| Mid GRANDFIELD & DODD, LLC | $6,050 | 0.24% | 10,000 | Shares | Sole | 2026-05-07 | ||||
| Large DAVENPORT & Co LLC | $6,050 | 0.24% | 10,000 | Shares | Sole | 2026-04-15 | ||||
| Mid GROUP ONE TRADING LLC | $2,158 | 0.09% | 3,567 | Shares | Sole | 2026-05-13 | ||||
| Small CREATIVE FINANCIAL DESIGNS INC /ADV | $1,815 | 0.07% | 3,000 | Shares | Sole | 2026-04-13 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $1,210 | 0.05% | 2,000 | Shares | Sole | 2026-05-15 | ||||
| Small Truvestments Capital LLC | $396 | 0.02% | 655 | Shares | Sole | 2026-05-13 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $392 | 0.02% | 648 | Shares | Defined | 2026-05-12 | ||||
| Mid SIMPLEX TRADING, LLC | $163 | 0.01% | 271 | Shares | Sole | 2026-05-14 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $71 | 0.00% | 118 | Shares | Defined | 2026-04-28 | ||||
| Mid BEACON INVESTMENT ADVISORY SERVICES, INC. | $3 | 0.00% | 5 | Shares | Sole | 2026-04-14 | ||||
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