Vault-13

COYA THERAPEUTICS INC COYA

COMMON STOCK · Common Stock · CUSIP 22407B108

54 institutional holders -3 vs Q1 2026
7,775,6127.8m shares reported held*
33.1% of all shares outstanding*
$45.5mreported value*
5 new 14 added 16 reduced 8 sold out net sold ≈ $2.1m (-332.0k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 23.5m as of 2026-08-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $5.85. Options: 2 managers hold calls ($391.4k notional), 0 hold puts (—).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q4 22: 5Q1 23: 8Q2 23: 15Q3 23: 16Q4 23: 22Q1 24: 20Q2 24: 20Q3 24: 20Q4 24: 27Q1 25: 27Q2 25: 34Q3 25: 36Q4 25: 58Q1 26: 57Q2 26: 5454Q4 22Q4 23Q4 24Q4 25Q2 26
Numbers
QuarterHolders
Q4 20225
Q1 20238
Q2 202315
Q3 202316
Q4 202322
Q1 202420
Q2 202420
Q3 202420
Q4 202427
Q1 202527
Q2 202534
Q3 202536
Q4 202558
Q1 202657
Q2 202654

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
50050Q3 24: 5 bought or addedQ3 24: 8 cut or sold outQ4 24: 18 bought or addedQ4 24: 6 cut or sold outQ4 24Q1 25: 14 bought or addedQ1 25: 9 cut or sold outQ2 25: 18 bought or addedQ2 25: 7 cut or sold outQ2 25Q3 25: 18 bought or addedQ3 25: 11 cut or sold outQ4 25: 48 bought or addedQ4 25: 11 cut or sold outQ4 25Q1 26: 29 bought or addedQ1 26: 23 cut or sold outQ2 26: 19 bought or addedQ2 26: 24 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202458
Q4 2024186
Q1 2025149
Q2 2025187
Q3 20251811
Q4 20254811
Q1 20262923
Q2 20261924

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$100k$200k$300k$400kQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $55.7kQ4 25 puts: $0Q4 25P/C 0.00Q1 26 calls: $291.6kQ1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $391.4kQ2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$55.7k$00.00
Q1 2026$291.6k$00.00
Q2 2026$391.4k$00.00

Biggest buyers

RENAISSANCE TECHNOLOGIES LLC Added +89,022+89.0k
ROYAL BANK OF CANADA Added +80,022+80.0k
JONES FINANCIAL COMPANIES LLLP Added +65,950+66.0k
DIMENSIONAL FUND ADVISORS LP Added +59,998+60.0k
Quadrature Capital Ltd New +30,783+30.8k
GOLDMAN SACHS GROUP INC New +26,180+26.2k
CM Management, LLC Added +25,000+25.0k
MARSHALL WACE, LLP Added +24,001+24.0k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +21,690+21.7k
AXQ CAPITAL, LP New +19,809+19.8k

Biggest sellers

AIGH Capital Management LLC Reduced -343,492-343.5k
Prosight Management, LP Reduced -250,360-250.4k
683 Capital Management, LLC Sold out -70,000-70.0k
Point72 Asset Management, L.P. Sold out -37,681-37.7k
WESTWOOD HOLDINGS GROUP INC Sold out -36,003-36.0k
CIBC Bancorp USA Inc. Sold out -25,000-25.0k
HRT FINANCIAL LP Sold out -13,517-13.5k
JANE STREET GROUP, LLC Sold out -13,340-13.3k
VANGUARD FIDUCIARY TRUST CO Reduced -10,335-10.3k
Squarepoint Ops LLC Reduced -7,205-7.2k

Biggest calls

JANE STREET GROUP, LLC Reduced $344.6k58.9k shares
SIMPLEX TRADING, LLC Reduced $46.8k8.0k shares

Biggest puts

None

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
DME Capital Management, LP 13G · institution filed 2025-02-14 9.9% 1.7m≈ $9.7m 2025-02-14
Dr. Reddy's Laboratories, Inc. 13G · passive investor new · filed 2026-03-12 9.7% new 2.3m≈ $13.3m 2026-03-12

Fell to 5% or below in the last year: HIRSCHMAN ORIN (3.3%, 2026-07-27), VANGUARD GROUP INC (4.3%, 2026-01-30)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 24: 3 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20243$106.4k0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——
Q4 20250—0——
Q1 20260—0——
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 DME Capital Management, LP 0.35% of their portfolio New York, NY 2,335,5402.3m $13.7m $13.7m 0.35% Unchanged
2 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 842,220842.2k $4.9m $4.9m 0.00% Reduced -2.7k -2,693
3 Alyeska Investment Group, L.P. 0.01% of their portfolio CHICAGO, IL 800,000800.0k $4.7m $4.7m 0.01% Unchanged
4 AIGH Capital Management LLC 0.33% of their portfolio BALTIMORE, MD 631,912631.9k $3.7m $3.7m 0.33% Reduced -343.5k -343,492
5 CM Management, LLC 1.49% of their portfolio GULF BREEZE, FL 400,000400.0k $2.3m $2.3m 1.49% Added +25.0k +25,000
6 PRIVATE MANAGEMENT GROUP INC 0.06% of their portfolio IRVINE, CA 384,217384.2k $2.2m $2.2m 0.06% Added +15.1k +15,121
7 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 249,793249.8k $1.5m $1.5m 0.00% Added +24.0k +24,001
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 228,243228.2k $1.3m $1.3m 0.00% Reduced -5.2k -5,159
9 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 192,986193.0k $1.1m $1.1m 0.00% Added +89.0k +89,022
10 Prosight Management, LP 0.17% of their portfolio DALLAS, TX 170,000170.0k $994.5k $994.5k 0.17% Reduced -250.4k -250,360
11 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 155,917155.9k $913.0k $913.0k 0.00% Added +60.0k +59,998
12 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 129,551129.6k $757.9k $757.9k 0.00% Reduced -10.3k -10,335
13 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 110,910110.9k $610.0k $610.0k 0.00% Added +66.0k +65,950
14 BlackRock, Inc. 0.00% of their portfolio New York, NY 102,408102.4k $599.1k $599.1k 0.00% Added +19.6k +19,639
15 PRELUDE CAPITAL MANAGEMENT, LLC 0.04% of their portfolio NEW YORK, NY 101,330101.3k $592.8k $592.8k 0.04% Unchanged
16 JBF Capital, Inc. 0.08% of their portfolio Aspen, CO 100,006100.0k $585.0k $585.0k 0.08% Unchanged
17 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 93,41493.4k $546.0k $546.0k 0.00% Added +80.0k +80,022
18 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 82,10682.1k $480.3k $480.3k 0.00% Reduced -3.6k -3,594
19 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 79,81379.8k $466.9k $466.9k 0.00% Unchanged
20 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 61,00661.0k $356.9k $356.9k 0.00% Added +21.7k +21,690
21 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 45,07245.1k $263.7k $263.7k 0.00% Added +4.7k +4,654
22 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 41,40141.4k $242.2k $242.2k 0.00% Reduced -5.9k -5,937
23 ADAR1 Capital Management, LLC 0.01% of their portfolio AUSTIN, TX 40,90040.9k $239.3k $239.3k 0.01% Unchanged
24 Long Corridor Asset Management Ltd 0.07% of their portfolio HONG KONG, K3 38,76638.8k $226.8k $226.8k 0.07% Unchanged
25 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 34,00034.0k $198.9k $198.9k 0.00% Added +4.0k +4,000
26 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 33,26033.3k $194.6k $194.6k 0.00% Reduced -7.2k -7,205
27 UBS Group AG 0.00% of their portfolio ZURICH, V8 33,08833.1k $193.6k $193.6k 0.00% Reduced -5.5k -5,476
28 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 30,78330.8k $180.1k $180.1k 0.00% New
29 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 26,18026.2k $153.2k $153.2k 0.00% New
30 GHP Investment Advisors, Inc. 0.01% of their portfolio Denver, CO 26,17126.2k $153.1k $153.1k 0.01% Unchanged
31 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 20,62620.6k $120.7k $120.7k 0.00% Unchanged
32 AXQ CAPITAL, LP 0.01% of their portfolio JERSEY CITY, NJ 19,80919.8k $115.9k $115.9k 0.01% New
33 OPPENHEIMER & CO INC 0.00% of their portfolio NEW YORK, NY 18,00018.0k $105.3k $105.3k 0.00% Unchanged
34 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 17,30017.3k $101.2k $101.2k 0.00% Reduced -3.7k -3,700
35 OCCUDO QUANTITATIVE STRATEGIES LP 0.01% of their portfolio FORT LAUDERDALE, FL 16,82316.8k $98.4k $98.4k 0.01% Reduced -6.8k -6,819
36 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 13,10513.1k $76.7k $76.7k 0.00% Reduced -3.8k -3,754
37 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 13,00013.0k $76.0k $76.0k 0.00% Added +12.0k +12,000
38 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 10,22510.2k $59.8k $59.8k 0.00% Reduced -1.4k -1,448
39 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 10,02910.0k $58.7k $58.7k 0.00% Unchanged
40 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 10,00010.0k $58.5k $58.5k 0.00% Unchanged
41 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 5,8795.9k $34.4k $34.4k 0.00% Unchanged
42 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 5,1815.2k $31.4k $31.4k 0.00% Added +181 +181
43 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 4,7634.8k $27.9k $27.9k 0.00% Reduced -3.8k -3,800
44 BFSG, LLC 0.00% of their portfolio IRVINE, CA 3,4553.5k $20.2k $20.2k 0.00% Unchanged
45 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 2,0002.0k $11.7k $11.7k 0.00% Reduced -500 -500
46 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 2,0002.0k $11.7k $11.7k 0.00% Unchanged
47 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 820820 $4.8k $4.8k 0.00% Reduced -101 -101
48 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 500500 $2.9k $2.9k 0.00% Unchanged
49 Steward Partners Investment Advisory, LLC 0.00% of their portfolio STAMFORD, CT 500500 $2.9k $2.9k 0.00% Unchanged
50 North Star Investment Management Corp. 0.00% of their portfolio CHICAGO, IL 340340 $2.0k $2.0k 0.00% Unchanged
51 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 113113 $661 $661 0.00% New
52 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 6060 $351 $351 0.00% New
53 Triumph Capital Management 0.00% of their portfolio DENVER, CO 5050 $292 $292 0.00% Unchanged
54 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 4141 $240 $240 0.00% Added +38 +38