York Space Systems Inc.

YSS

Exchange: NYSE
Industry: Guided Missiles & Space Vehicles & Parts
SEC CIK: 0002086587

SEC filings (opens in a new tab)

In the last 90 days, York Space Systems Inc. insiders filed 0 open-market purchases and 4 sales; 162 institutions reported holding it in 13F filings for Q2 2026, worth $1.60B in total; Soros Fund Management is the only superinvestor holding it.

Q2 2026 vs. Q1 2026

How the institutions holding York Space Systems Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of YSS: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	140	1	162	+23
Shares	62.1M	77	65.0M	+2.92M (+4.7%)
Value	$1.38B	$1.71K	$1.60B	+$222.9M (+16.2%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (59)

Institutions that held York Space Systems Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to YSS in Q2 2026
Institution	Shares	Value	% of portfolio
Toroso Investments, LLC	1,843,269	$45.4M	0.11%
Frontier Capital Management Co LLC	733,025	$18.0M	0.17%
Penserra Capital Management LLC	641,961	$15.8M	0.12%
Nissay Asset Management Corp	345,127	$8.50M	0.04%
Toronto Dominion Bank	263,000	$6.48M	0.01%
Segall Bryant & Hamill, LLC	235,631	$5.80M	0.07%
Vident Advisory, LLC	170,459	$4.20M	0.03%
TCW Group Inc	128,250	$3.16M	0.02%
Norges Bank	100,000	$2.46M	0.00%
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	47,200	$1.16M	0.00%
Millennium Management LLC	41,307	$1.02M	0.00%
Canal Insurance CO	40,000	$985.0K	0.22%
First Trust Advisors LP	36,540	$899.6K	0.00%
Moody National Bank Trust Division	35,851	$882.7K	0.07%
Alliancebernstein L.P.	36,840	$816.7K	0.00%
Marshall Wace, LLP	32,513	$800.5K	0.00%
Cetera Investment Advisers	31,522	$776.1K	0.00%
AQR Capital Management LLC	27,840	$685.4K	0.00%
Royce & Associates LP	27,510	$677.3K	0.01%
Hilltop Holdings Inc.	19,273	$474.5K	0.04%
Pathstone Holdings, LLC	14,627	$360.1K	0.00%
Integrated Wealth Concepts LLC	14,408	$354.7K	0.00%
Manufacturers Life Insurance Company, The	14,218	$350.0K	0.00%
Victory Capital Management Inc	12,050	$296.7K	0.00%
Envestnet Asset Management Inc	12,029	$296.2K	0.00%
Soros Fund Management LLCSuperinvestorSoros Fund Management	11,245	$276.9K	0.00%
Wealth Enhancement Advisory Services, LLC	12,873	$256.0K	0.00%
Gotham Asset Management, LLC	9,241	$227.5K	0.00%
Cambridge Investment Research Advisors, Inc.	8,418	$207.0K	0.00%
Insigneo Advisory Services, LLC	8,250	$203.1K	0.01%
State of Tennessee, Treasury Department	7,173	$176.6K	0.00%
Vista Private Wealth Partners. LLC	15,000	$163.9K	0.05%
Persistent Asset Partners Ltd	2,141	$52.7K	0.02%
Leonteq Securities AG	2,000	$49.2K	0.00%
Aster Capital Management (DIFC) Ltd	1,528	$37.6K	0.01%
Larson Financial Group LLC	730	$18.0K	0.00%
Simplex Trading, LLC	545	$13.4K	0.00%
Silver Grove Financial Group, Inc.	309	$7.61K	0.00%
California State Teachers Retirement System	250	$6.16K	0.00%
Cape Investment Advisory, Inc.	180	$4.43K	0.00%
Massmutual Trust Co FSB	128	$3.15K	0.00%
Sfam, LLC	100	$2.46K	0.00%
Park Place Capital Corp	100	$2.46K	0.00%
Atlantic Edge Private Wealth Management, LLC	100	$2.46K	0.00%
State of Wyoming	98	$2.41K	0.00%
True Wealth Design, LLC	58	$1.43K	0.00%
Covestor Ltd	22	$1.00K	0.00%
Investors Research Corp	36	$886	0.00%
Toth Financial Advisory Corp	33	$813	0.00%
Allworth Financial LP	32	$788	0.00%
Rockefeller Capital Management L.P.	30	$739	0.00%
Northwestern Mutual Wealth Management Co	26	$640	0.00%
AdvisorNet Financial, Inc	17	$419	0.00%
SJS Investment Consulting Inc.	17	$419	0.00%
EverSource Wealth Advisors, LLC	14	$345	0.00%
Farther Finance Advisors, LLC	7	$172	0.00%
Essential Partners LLC	6	$148	0.00%
Rothschild Investment LLC	5	$123	0.00%
Clearstead Advisors, LLC	1	$25	0.00%

Sold out (36)

Institutions that held York Space Systems Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of YSS in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Roubaix Capital, LLC	382,906	$8.49M
Franklin Resources Inc	359,679	$7.97M
Ophir Asset Management Pty Ltd	300,664	$6.67M
Alyeska Investment Group, L.P.	288,632	$6.40M
CenterBook Partners LP	288,474	$6.40M
Alpine Global Management, LLC	247,079	$5.48M
Weiss Asset Management LP	202,156	$4.48M
Hudson Bay Capital Management LP	197,121	$4.37M
Next Century Growth Investors LLC	191,817	$4.25M
Aperture Investors, LLC	165,119	$3.66M
Zimmer Partners, LP	115,000	$2.55M
LMR Partners LLP	110,689	$2.45M
D. E. Shaw & Co., Inc.	100,926	$2.24M
Schonfeld Strategic Advisors LLC	100,000	$2.22M
Empyrean Capital Partners, LP	95,000	$2.11M
H Squared Management LP	81,250	$1.80M
Renaissance Technologies LLC	67,171	$1.49M
Scopus Asset Management, L.P.	32,932	$730.1K
Woodline Partners LP	30,000	$665.1K
Polymer Capital Management (US) LLC	30,000	$665.1K
Davidson Kempner Capital Management LP	21,400	$474.4K
Harbor Capital Advisors, Inc.	21,239	$471.0K
Atom Investors LP	20,881	$462.9K
Oxford Asset Management LLP	17,763	$393.8K
Covalis Capital LLP	15,000	$332.6K
Readystate Asset Management LP	15,000	$332.6K
Thompson Davis & Co., Inc.	10,350	$229.5K
Prelude Capital Management, LLC	10,203	$226.2K
Quadrature Capital Ltd	10,146	$224.9K
Caitong International Asset Management Co., Ltd	6,346	$140.7K
US Bancorp	4,901	$108.7K
RiverPark Advisors, LLC	1,345	$29.8K
Steward Partners Investment Advisory, LLC	1,000	$22.2K
MCF Advisors LLC	222	$4.92K
Freestone Grove Partners LP	19	$421
Advisory Services Network, LLC	3	$67

Not filed for Q2 2026 yet (1)

Institutions that held York Space Systems Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding YSS in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
CWM, LLC	77	$1.71K