Vault-13

JENA ACQUISITION CORP II JENA

USD CL A ORD SHS · Common Stock · CUSIP G5093B105

47 institutional holders -1 vs Q1 2026
20,782,02220.8m shares reported held*
$215.3mreported value*
2 new 8 added 3 reduced 3 sold out net bought ≈ $3.5m (+336.4k 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. Implied quarter-end price ≈ $10.36.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q3 25: 38Q4 25: 46Q1 26: 48Q2 26: 4747Q3 25Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q3 202538
Q4 202546
Q1 202648
Q2 202647

Buyers vs sellers

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

Bought or addedCut or sold out
20020Q4 25: 14 bought or addedQ4 25: 11 cut or sold outQ4 25Q1 26: 11 bought or addedQ1 26: 12 cut or sold outQ1 26Q2 26: 10 bought or addedQ2 26: 6 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q4 20251411
Q1 20261112
Q2 2026106

Biggest buyers

D. E. Shaw & Co., Inc. New +475,100+475.1k
Verition Fund Management LLC Added +117,020+117.0k
Periscope Capital Inc. Added +45,000+45.0k
MIZUHO SECURITIES USA LLC New +28,006+28.0k
GLAZER CAPITAL, LLC Added +23,572+23.6k
Radcliffe Capital Management, L.P. Added +17,467+17.5k
Meteora Capital, LLC Added +9,702+9.7k
Schonfeld Strategic Advisors LLC Added +7,434+7.4k
AQR Arbitrage LLC Added +3,847+3.8k
Governors Lane LP Added +24+24

Biggest sellers

Shaolin Capital Management LLC Reduced -145,589-145.6k
Quarry LP Sold out -100,000-100.0k
RLH Capital LLC Sold out -100,000-100.0k
Virtu Financial LLC Sold out -38,346-38.3k
Clear Street Group Inc. Reduced -5,500-5.5k
Bulldog Investors, LLP Reduced -1,300-1.3k

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
JENA ACQUISITION SPONSOR LLC II 13D · may seek influence new · filed 2025-06-05
Stated purposeIn connection with the organization of the Issuer, on January 27, 2025, the Sponsor paid $25,000, or approximately $0.004 per share, to cover certain of the Issuer's offering costs in exchange for 5,750,000 Class B Ordinary Shares (the "Founder Shares"), pursuant to the Securities Subscription Agreement dated as of January 27, 2025 between the Sponsor and the Issuer (the "Founder Share Purchase Agreement") as more fully described in Item 6 of this Section 13D, which information is incorporated by reference. On May 7, 2025, the Sponsor transferred 10,000 founder shares to each of the Issuer's independent directors (an aggregate of 30,000 founder shares). On May 30, 2025, simultaneously with the consummation of the Issuer's Initial Public Offering (the "IPO"), the Sponsor purchased 225,000 … Full filing
 20.5% new 5.9m≈ $61.6m 2025-06-05
Linden Capital L.P. 13G · passive investor +1.1 pts · filed 2025-11-12 6.7% +1.1 pts 1.6m≈ $16.1m 2025-11-12

Fell to 5% or below in the last year: BARCLAYS PLC (0.0%, 2026-02-11)

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
101Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 1 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 20240—0——
Q1 20250—0——
Q2 20251$2.2m0——
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 Linden Advisors LP 0.08% of their portfolio New York, NY 1,550,0001.6m $16.1m $16.1m 0.08% Unchanged
2 Meteora Capital, LLC 0.90% of their portfolio Boca Raton, FL 1,046,2251.0m $10.8m $10.8m 0.90% Added +9.7k +9,702
3 TENOR CAPITAL MANAGEMENT Co., L.P. 0.15% of their portfolio NEW YORK, NY 1,000,0001.0m $10.4m $10.4m 0.15% Unchanged
4 Alberta Investment Management Corp 0.06% of their portfolio EDMONTON, A0 1,000,0001.0m $10.4m $10.4m 0.06% Unchanged
5 GLAZER CAPITAL, LLC 0.24% of their portfolio New York, NY 944,469944.5k $9.8m $9.8m 0.24% Added +23.6k +23,572
6 Westchester Capital Management, LLC 0.47% of their portfolio VALHALLA, NY 912,000912.0k $9.4m $9.4m 0.47% Unchanged
7 Magnetar Financial LLC 0.09% of their portfolio EVANSTON, IL 900,000900.0k $9.3m $9.3m 0.09% Unchanged
8 Centiva Capital, LP 0.31% of their portfolio New York, NY 885,341885.3k $9.2m $9.2m 0.31% Unchanged
9 Polar Asset Management Partners Inc. 0.15% of their portfolio TORONTO, A6 800,000800.0k $8.3m $8.3m 0.15% Unchanged
10 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 725,000725.0k $7.5m $7.5m 0.01% Unchanged
11 MOORE CAPITAL MANAGEMENT, LP 0.17% of their portfolio NEW YORK, NY 700,000700.0k $7.3m $7.3m 0.17% Unchanged
12 O'Connor Alternative Investments LLC 0.53% of their portfolio NEW YORK, NY 700,000700.0k $7.3m $7.3m 0.53% Unchanged
13 HBK INVESTMENTS L P 0.08% of their portfolio DALLAS, TX 699,900699.9k $7.3m $7.3m 0.08% Unchanged
14 AQR Arbitrage LLC 0.10% of their portfolio Greenwich, CT 682,598682.6k $7.1m $7.1m 0.10% Added +3.8k +3,847
15 Verition Fund Management LLC 0.05% of their portfolio GREENWICH, CT 660,938660.9k $6.8m $6.8m 0.05% Added +117.0k +117,020
16 Radcliffe Capital Management, L.P. 0.43% of their portfolio BALA CYNWYD, PA 551,139551.1k $5.7m $5.7m 0.43% Added +17.5k +17,467
17 PICTON MAHONEY ASSET MANAGEMENT 0.05% of their portfolio Toronto, A6 500,000500.0k $5.2m $5.2m 0.05% Unchanged
18 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 475,100475.1k $4.9m $4.9m 0.00% New
19 ARISTEIA CAPITAL, L.L.C. 0.07% of their portfolio GREENWICH, CT 450,000450.0k $4.7m $4.7m 0.07% Unchanged
20 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio TORONTO, A6 450,000450.0k $4.7m $4.7m 0.01% Unchanged
21 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 441,500441.5k $4.6m $4.6m 0.00% Unchanged
22 Periscope Capital Inc. 0.70% of their portfolio Toronto, A6 425,000425.0k $4.4m $4.4m 0.70% Added +45.0k +45,000
23 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.02% of their portfolio HARRISBURG, PA 395,400395.4k $4.1m $4.1m 0.02% Unchanged
24 Shaolin Capital Management LLC 0.21% of their portfolio Miami, FL 358,111358.1k $3.7m $3.7m 0.21% Reduced -145.6k -145,589
25 Schonfeld Strategic Advisors LLC 0.02% of their portfolio NEW YORK, NY 313,075313.1k $3.2m $3.2m 0.02% Added +7.4k +7,434
26 Hudson Bay Capital Management LP 0.01% of their portfolio STAMFORD, CT 300,047300.0k $3.1m $3.1m 0.01% Unchanged
27 K2 PRINCIPAL FUND, L.P. 0.26% of their portfolio TORONTO, A6 273,000273.0k $2.8m $2.8m 0.26% Unchanged
28 SONA ASSET MANAGEMENT (US) LLC 0.10% of their portfolio NEW YORK, NY 251,916251.9k $2.6m $2.6m 0.10% Unchanged
29 BlueCrest Capital Management Ltd 0.11% of their portfolio ST HELIER, Y9 250,000250.0k $2.6m $2.6m 0.11% Unchanged
30 HGC Investment Management Inc. 0.51% of their portfolio TORONTO, A6 250,000250.0k $2.6m $2.6m 0.51% Unchanged
31 Lineage Point Capital LP 0.53% of their portfolio PALM BEACH, FL 250,000250.0k $2.6m $2.6m 0.53% Unchanged
32 BERKLEY W R CORP 0.13% of their portfolio Greenwich, CT 247,850247.8k $2.6m $2.6m 0.13% Unchanged
33 First Trust Capital Management L.P. 0.13% of their portfolio CHICAGO, IL 221,610221.6k $2.3m $2.3m 0.13% Unchanged
34 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 153,100153.1k $1.6m $1.6m 0.00% Unchanged
35 WHITEBOX ADVISORS LLC 0.03% of their portfolio MINNEAPOLIS, MN 150,000150.0k $1.6m $1.6m 0.03% Unchanged
36 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 140,000140.0k $1.5m $1.5m 0.00% Unchanged
37 DLD Asset Management, LP 0.09% of their portfolio NEW YORK, NY 102,384102.4k $1.1m $1.1m 0.09% Unchanged
38 DELTEC ASSET MANAGEMENT LLC 0.15% of their portfolio New York, NY 100,000100.0k $1.0m $1.0m 0.15% Unchanged
39 GRITSTONE ASSET MANAGEMENT LLC 0.99% of their portfolio Bethesda, MD 98,85798.9k $1.0m $1.0m 0.99% Unchanged
40 Bulldog Investors, LLP 0.21% of their portfolio SADDLE BROOK, NJ 94,05094.0k $974.4k $974.4k 0.21% Reduced -1.3k -1,300
41 Clear Street Group Inc. 0.00% of their portfolio NEW YORK, NY 60,40160.4k $625.8k $625.8k 0.00% Reduced -5.5k -5,500
42 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 52,71452.7k $546.1k $546.1k 0.00% Unchanged
43 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 50,00050.0k $518.0k $518.0k 0.00% Unchanged
44 READYSTATE ASSET MANAGEMENT LP 0.02% of their portfolio CHICAGO, IL 50,00050.0k $518.0k $518.0k 0.02% Unchanged
45 Governors Lane LP 0.05% of their portfolio NEW YORK, NY 46,39546.4k $480.7k $480.7k 0.05% Added +24 +24
46 CSS LLC/IL 0.02% of their portfolio CHICAGO, IL 45,89645.9k $475.5k $475.5k 0.02% Unchanged
47 MIZUHO SECURITIES USA LLC 0.00% of their portfolio NEW YORK, NY 28,00628.0k $290.1k $290.1k 0.00% New