Vault-13

SIDUS SPACE INC SIDU

CL A COM NEW · Common Stock · CUSIP 826165201

American space company

107 institutional holders +48 vs Q1 2026
28,934,52728.9m shares reported held*
$81.2mreported value*
66 new 29 added 3 reduced 17 sold out net bought ≈ $56.5m (+20.1m 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 ≈ $2.81. Options: 6 managers hold calls ($6.9m notional), 8 hold puts ($10.5m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q4 23: 15Q1 24: 15Q2 24: 12Q3 24: 11Q4 24: 23Q1 25: 22Q2 25: 22Q3 25: 21Q4 25: 49Q1 26: 59Q2 26: 107107Q4 23Q2 24Q4 24Q2 25Q4 25Q2 26
Numbers
QuarterHolders
Q4 202315
Q1 202415
Q2 202412
Q3 202411
Q4 202423
Q1 202522
Q2 202522
Q3 202521
Q4 202549
Q1 202659
Q2 2026107

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 24: 2 bought or addedQ3 24: 5 cut or sold outQ4 24: 17 bought or addedQ4 24: 2 cut or sold outQ4 24Q1 25: 14 bought or addedQ1 25: 10 cut or sold outQ2 25: 14 bought or addedQ2 25: 10 cut or sold outQ2 25Q3 25: 12 bought or addedQ3 25: 10 cut or sold outQ4 25: 41 bought or addedQ4 25: 4 cut or sold outQ4 25Q1 26: 44 bought or addedQ1 26: 28 cut or sold outQ2 26: 95 bought or addedQ2 26: 20 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202425
Q4 2024172
Q1 20251410
Q2 20251410
Q3 20251210
Q4 2025414
Q1 20264428
Q2 20269520

Calls vs puts

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

CallsPuts
$0$5m$10m$15mQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $3.2mQ1 26 puts: $1.8mQ1 26P/C 0.56Q2 26 calls: $6.9mQ2 26 puts: $10.5mQ2 26P/C 1.51
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$0$0—
Q1 2026$3.2m$1.8m0.56
Q2 2026$6.9m$10.5m1.51

Biggest buyers

BlackRock, Inc. Added +7,376,364+7.4m
VANGUARD PORTFOLIO MANAGEMENT LLC New +2,029,667+2.0m
CITADEL ADVISORS LLC New +1,752,690+1.8m
STATE STREET CORP Added +1,376,821+1.4m
GEODE CAPITAL MANAGEMENT, LLC Added +1,263,353+1.3m
RENAISSANCE TECHNOLOGIES LLC New +1,172,428+1.2m
Nuveen, LLC New +619,480+619.5k
NORTHERN TRUST CORP Added +501,035+501.0k
GOLDMAN SACHS GROUP INC Added +451,420+451.4k
SUSQUEHANNA INTERNATIONAL GROUP, LLP New +445,023+445.0k

Biggest sellers

Foundations Investment Advisors, LLC Sold out -269,750-269.8k
SLT Holdings LLC Sold out -269,750-269.8k
DNB Asset Management AS Sold out -140,634-140.6k
Squarepoint Ops LLC Sold out -133,432-133.4k
Virtu Financial LLC Sold out -51,325-51.3k
Hudson Bay Capital Management LP Sold out -41,270-41.3k
Qube Research & Technologies Ltd Sold out -36,208-36.2k
Quantbot Technologies LP Sold out -32,028-32.0k
MARSHALL WACE, LLP Sold out -30,593-30.6k
Brevan Howard Capital Management LP Sold out -30,000-30.0k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $4.0m1.4m shares
JANE STREET GROUP, LLC Added $939.9k334.5k shares
CITADEL ADVISORS LLC Added $743.5k264.6k shares
IMC-Chicago, LLC New $494.0k175.8k shares
SIMPLEX TRADING, LLC Added $363.9k129.5k shares
GROUP ONE TRADING LLC Added $360.2k128.2k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $3.0m1.1m shares
Caption Management, LLC New $2.8m1.0m shares
CITADEL ADVISORS LLC Added $1.3m475.1k shares
JANE STREET GROUP, LLC Added $870.3k309.7k shares
SABBY MANAGEMENT, LLC Added $816.3k2.9k shares
IMC-Chicago, LLC New $682.8k243.0k shares
SIMPLEX TRADING, LLC Added $583.6k207.7k shares
GROUP ONE TRADING LLC Added $329.6k117.3k shares

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
BlackRock, Inc. 13G · institution new · filed 2026-07-30 6.7% new 6.5m≈ $18.2m 2026-07-30

Fell to 5% or below in the last year: VANGUARD CAPITAL MANAGEMENT LLC (4.2%, 2026-07-31), CITADEL ADVISORS LLC (4.0%, 2026-04-28), CVI Investments, Inc. (0.3%, 2026-02-17)

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$24.7k0——
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 BlackRock, Inc. 0.00% of their portfolio New York, NY 8,025,6378.0m $22.6m $22.6m 0.00% Added +7.4m +7,376,364
2 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 3,603,0193.6m $10.1m $10.1m 0.00% Added +242.6k +242,594
3 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 2,029,6672.0m $5.7m $5.7m 0.00% New
4 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 2,018,6592.0m $5.7m $5.7m 0.00% Added +1.3m +1,263,353
5 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 1,752,6901.8m $4.9m $4.9m 0.00% New
6 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,684,0431.7m $4.7m $4.7m 0.00% Added +1.4m +1,376,821
7 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 1,172,4281.2m $3.3m $3.3m 0.00% New
8 UBS Group AG 0.00% of their portfolio ZURICH, V8 775,438775.4k $2.2m $2.2m 0.00% Added +303.1k +303,066
9 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 643,903643.9k $1.8m $1.8m 0.00% Added +501.0k +501,035
10 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 619,480619.5k $1.7m $1.7m 0.00% New
11 Penserra Capital Management LLC 0.01% of their portfolio ORINDA, CA 616,323616.3k $1.7m $1.7m 0.01% Added +253.1k +253,148
12 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 613,198613.2k $1.7m $1.7m 0.00% Added +168.0k +167,970
13 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 593,404593.4k $1.7m $1.7m 0.00% Added +451.4k +451,420
14 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 565,057565.1k $1.6m $1.6m 0.00% Added +185.1k +185,126
15 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 445,023445.0k $1.3m $1.3m 0.00% New
16 GROUP ONE TRADING LLC 0.03% of their portfolio CHICAGO, IL 373,756373.8k $1.1m $1.1m 0.03% Added +330.4k +330,396
17 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 260,546260.5k $732.1k $732.1k 0.00% New
18 Legacy Capital Group California, Inc. 0.20% of their portfolio LOS GATOS, CA 235,392235.4k $661.5k $661.5k 0.20% New
19 AlphaCentric Advisors LLC 0.48% of their portfolio SAN JUAN, PR 200,000200.0k $562.0k $562.0k 0.48% Unchanged
20 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 198,974199.0k $559.1k $559.1k 0.01% New
21 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 173,386173.4k $487.2k $487.2k 0.00% New
22 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 144,564144.6k $406.2k $406.2k 0.00% Added +143.6k +143,564
23 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 141,143141.1k $396.8k $396.8k 0.00% New
24 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 137,040137.0k $317.9k $317.9k 0.00% New
25 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 132,294132.3k $371.7k $371.7k 0.00% New
26 IMC-Chicago, LLC 0.00% of their portfolio CHICAGO, IL 101,040101.0k $283.9k $283.9k 0.00% New
27 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 100,316100.3k $281.9k $281.9k 0.00% New
28 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 94,72694.7k $266.2k $266.2k 0.00% Added +17.9k +17,876
29 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 88,20688.2k $247.9k $247.9k 0.00% Added +69.5k +69,520
30 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 82,06482.1k $230.6k $230.6k 0.00% New
31 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 67,63167.6k $191.0k $191.0k 0.00% New
32 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 65,96666.0k $185.4k $185.4k 0.00% Added +39.4k +39,426
33 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 62,17062.2k $174.7k $174.7k 0.00% Added +48.8k +48,799
34 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 53,26953.3k $149.7k $149.7k 0.00% Added +11.3k +11,311
35 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 51,85351.9k $145.7k $145.7k 0.00% New
36 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 51,63351.6k $145.1k $145.1k 0.00% New
37 BRASADA CAPITAL MANAGEMENT, LP 0.03% of their portfolio HOUSTON, TX 50,00050.0k $140.5k $140.5k 0.03% New
38 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 46,50046.5k $130.6k $130.6k 0.00% Added +38.4k +38,438
39 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 44,77844.8k $125.8k $125.8k 0.00% New
40 SABBY MANAGEMENT, LLC 1.01% of their portfolio MIAMI BEACH, FL 43,37743.4k $121.9k $121.9k 1.01% New
41 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 42,79342.8k $120.2k $120.2k 0.00% New
42 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 39,20039.2k $110.2k $110.2k 0.00% Reduced -21.5k -21,500
43 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 39,17939.2k $110.1k $110.1k 0.00% Added +38.1k +38,063
44 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 37,32737.3k $104.9k $104.9k 0.00% Added +17.9k +17,939
45 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 34,16634.2k $98.1k $98.1k 0.00% New
46 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 31,89131.9k $89.6k $89.6k 0.00% Added +2.9k +2,885
47 nVerses Capital, LLC 0.12% of their portfolio WELLINGTON, FL 27,84027.8k $78.2k $78.2k 0.12% New
48 Dynamic Advisor Solutions LLC 0.00% of their portfolio PHOENIX, AZ 26,20226.2k $73.6k $73.6k 0.00% New
49 KPP Advisory Services LLC 0.01% of their portfolio Louisville, KY 25,30025.3k $71.1k $71.1k 0.01% Added +5.5k +5,500
50 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 24,30724.3k $68.3k $68.3k 0.00% New
51 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 22,51222.5k $63.3k $63.3k 0.00% Added +13.2k +13,224
52 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 21,84121.8k $61.4k $61.4k 0.00% New
53 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 21,59421.6k $60.7k $60.7k 0.00% New
54 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 21,13721.1k $45.7k $45.7k 0.00% New
55 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 20,00020.0k $56.2k $56.2k 0.00% New
56 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 17,02717.0k $47.8k $47.8k 0.00% Added +4.3k +4,297
57 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 16,20016.2k $45.5k $45.5k 0.00% New
58 PFG Investments, LLC 0.00% of their portfolio WOODBURY, NY 16,00016.0k $45.0k $45.0k 0.00% New
59 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 15,41715.4k $43.3k $43.3k 0.00% New
60 PEAK6 LLC 0.00% of their portfolio AUSTIN, TX 15,00215.0k $42.2k $42.2k 0.00% New
61 Trivium Point Advisory, LLC 0.00% of their portfolio WILTON, CT 15,00015.0k $42.1k $42.1k 0.00% New
62 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 14,30214.3k $40.2k $40.2k 0.00% New
63 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 14,00014.0k $39.3k $39.3k 0.00% First filing
64 KINGSWOOD WEALTH ADVISORS, LLC 0.00% of their portfolio SAN DIEGO, CA 12,50012.5k $35.1k $35.1k 0.00% New
65 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 12,43512.4k $34.9k $34.9k 0.00% New
66 Weinberger Asset Management, Inc 0.01% of their portfolio LOS ANGELES, CA 12,18312.2k $21.4k $21.4k 0.01% New
67 Resurgent Financial Advisors LLC 0.01% of their portfolio ATLANTA, GA 12,00012.0k $33.7k $33.7k 0.01% Unchanged
68 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 11,55811.6k $32.5k $32.5k 0.00% New
69 J. Derek Lewis & Associates Inc. 0.01% of their portfolio NEWPORT BEACH, CA 11,36311.4k $31.9k $31.9k 0.01% New
70 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 11,20511.2k $31.5k $31.5k 0.00% New
71 State of Wyoming 0.00% of their portfolio CHEYENNE, WY 11,18211.2k $31.4k $31.4k 0.00% New
72 Elequin Capital, LP 0.00% of their portfolio NEW YORK, NY 11,09311.1k $31.2k $31.2k 0.00% Added +10.5k +10,473
73 TWO SIGMA SECURITIES, LLC 0.00% of their portfolio NEW YORK, NY 11,02911.0k $31.0k $31.0k 0.00% Reduced -22 -22
74 ProShare Advisors LLC 0.00% of their portfolio BETHESDA, MD 10,79010.8k $30.3k $30.3k 0.00% New
75 RWA WEALTH PARTNERS, LLC 0.00% of their portfolio BOSTON, MA 10,00010.0k $28.1k $28.1k 0.00% New
76 Sovereign Financial Group, Inc. 0.00% of their portfolio STAMFORD, CT 10,00010.0k $28.1k $28.1k 0.00% Unchanged
77 Legal & General Group Plc 0.00% of their portfolio London, X0 7,9838.0k $22.4k $22.4k 0.00% New
78 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 7,4797.5k $21.0k $21.0k 0.00% New
79 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 6,5906.6k $18.5k $18.5k 0.00% New
80 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 5,4635.5k $14.3k $14.3k 0.00% Added +373 +373
81 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 5,3255.3k $15.0k $15.0k 0.00% New
82 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 5,1005.1k $14.3k $14.3k 0.00% New
83 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 4,9134.9k $14.0k $14.0k 0.00% New
84 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 4,5554.6k $12.8k $12.8k 0.00% Reduced -20.8k -20,813
85 Grove Bank & Trust 0.00% of their portfolio Miami, FL 3,0003.0k $8.4k $8.4k 0.00% New
86 Federation des caisses Desjardins du Quebec 0.00% of their portfolio LEVIS, A8 2,7752.8k $7.8k $7.8k 0.00% New
87 FMR LLC 0.00% of their portfolio BOSTON, MA 2,4192.4k $6.8k $6.8k 0.00% Added +2.4k +2,367
88 Steward Partners Investment Advisory, LLC 0.00% of their portfolio STAMFORD, CT 1,8141.8k $5.1k $5.1k 0.00% Added +621 +621
89 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 1,6501.6k $4.6k $4.6k 0.00% Added +100 +100
90 NFSG Corp 0.00% of their portfolio BOCA RATON, FL 1,5001.5k $4.2k $4.2k 0.00% New
91 Quaker Wealth Management, LLC 0.00% of their portfolio MOORESTOWN, NJ 1,2001.2k $3.4k $3.4k 0.00% New
92 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,1351.1k $3.2k $3.2k 0.00% New
93 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 1,0001.0k $2.8k $2.8k 0.00% New
94 Golden State Wealth Management, LLC 0.00% of their portfolio SANTA ANA, CA 1,0001.0k $2.8k $2.8k 0.00% Unchanged
95 MCGUIRE CAPITAL ADVISORS INC 0.00% of their portfolio BETHANY, OK 1,0001.0k $2.8k $2.8k 0.00% Unchanged
96 Vermillion Wealth Management, Inc. 0.00% of their portfolio ROSEMOUNT, MN 800800 $2.2k $2.2k 0.00% New
97 Avion Wealth 0.00% of their portfolio THE WOODLANDS, TX 699699 $1.0k $1.0k 0.00% Unchanged
98 Triumph Capital Management 0.00% of their portfolio DENVER, CO 575575 $1.6k $1.6k 0.00% New
99 SALEM INVESTMENT COUNSELORS INC 0.00% of their portfolio WINSTON-SALEM, NC 500500 $1.4k $1.4k 0.00% New
100 Concord Wealth Partners 0.00% of their portfolio ABINGDON, VA 500500 $1.4k $1.4k 0.00% New