Momentus Ownership | Who Owns Momentus?

Momentus Ownership Summary

Momentus is owned by 410.63% institutional investors, 0.46% insiders. Davidson kempner capital management lp is the largest institutional shareholder, holding 136.45% of MNTS shares. Vanguard Institutional Extnd Mkt Idx Tr is the top mutual fund, with 0.61% of its assets in Momentus shares.

MNTS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Momentus	410.63%	0.46%	-311.09%
Sector	Industrials Stocks	66.29%	16.54%	17.17%
Industry	Defense Stocks	66.35%	12.63%	21.02%
Idea	Space Stocks List	102.52%	3.69%	-6.21%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Davidson kempner capital management lp	850.00K	136.45%	$5.71M
Blackrock funding, inc. /de	351.50K	56.43%	$2.36M
Citadel advisors	294.37K	47.25%	$1.98M
Weiss asset management lp	179.42K	28.80%	$1.21M
Ubs group	142.40K	22.86%	$956.95K
Geode capital management	118.71K	19.06%	$797.74K
Vanguard capital management	115.78K	18.59%	$778.03K
State street	74.18K	11.91%	$498.46K
Penserra capital management	64.78K	10.40%	$435.00K
Vanguard fiduciary trust	54.30K	8.72%	$364.92K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Davidson kempner capital management lp	850.00K	0.07%	$5.71M
Parisi gray wealth management	12.15K	0.02%	$81.68K
Legacy capital wealth partners	10.00K	0.01%	$67.20K
Weiss asset management lp	179.42K	0.01%	$1.21M
Gsa capital partners llp	19.51K	0.01%	$131.00K
International assets investment management	10.00K	0.00%	$65.00K
Penserra capital management	64.78K	0.00%	$435.00K
Xtx topco	27.95K	0.00%	$36.90K
Engineers gate manager lp	15.30K	0.00%	$102.82K
Pure financial advisors	10.00K	0.00%	$67.21K

Top Buyers

Holder	Shares	% Assets	Change
Davidson kempner capital management lp	850.00K	0.07%	850.00K
Blackrock funding, inc. /de	351.50K	-	351.46K
Citadel advisors	294.37K	0.00%	294.37K
Weiss asset management lp	179.42K	0.01%	179.42K
Ubs group	142.40K	0.00%	136.34K

Top Sellers

Holder	Shares	% Assets	Change
Armistice capital	-	-	-792.00K
Vanguard group	-	-	-88.93K
Penserra capital management	64.78K	0.00%	-65.62K
Jordan park group	-	-	-57.14K
Virtu financial	-	-	-22.02K

New Positions

Holder	Shares	% Assets	Change	Value
Davidson kempner capital management lp	850.00K	0.07%	850.00K	$5.71M
Citadel advisors	294.37K	0.00%	294.37K	$1.98M
Weiss asset management lp	179.42K	0.01%	179.42K	$1.21M
State street	74.18K	-	74.18K	$498.46K
Xtx topco	27.95K	0.00%	27.95K	$36.90K

Sold Out

Holder	Change
Group one trading	-1.00
Harbour investments	-3.00
Raymond james financial	-5.00
Barclays	-6.00
Bnp paribas arbitrage, snc	-6.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	53	278.57%	2,557,957	1250.86%	410	44.44%	46	557.14%	1	-66.67%
Mar 31, 2026	14	7.69%	189,357	201.01%	30	29.81%	7	75.00%	3	-62.50%
Dec 31, 2025	13	-38.10%	62,907	-75.42%	10	179.74%	4	-55.56%	8	300.00%
Sep 30, 2025	4	-78.95%	163,324	-82.49%	3	8.16%	3	-57.14%	-	-100.00%
Jun 30, 2025	19	-	932,385	134.68%	6	89.03%	6	-40.00%	4	33.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Institutional Extnd Mkt Idx Tr	115.78K	0.61%	100.19K
Fidelity Extended Market Index	52.29K	0.28%	43.06K
Procure Space ETF	52.08K	0.28%	-
BlackRock Extended Equity Market Fund K	28.87K	0.15%	28.87K
Fidelity Total Market Index	21.74K	0.12%	20.97K
Fidelity Series Total Market Index	16.97K	0.09%	15.19K
Spartan Extended Market Index Pool F	15.70K	0.08%	13.25K
Northern Trust Extended Eq Market Idx	12.49K	0.07%	11.07K
NT Ext Equity Mkt Index Fund - Lending	12.49K	0.07%	11.07K
Themes Transatlantic Defense ETF	3.70K	0.06%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 21, 2026	Hadfield Chris	-	Buy	$14.38K
May 20, 2026	Kabot Brian	-	Buy	$1.38K
May 19, 2026	Kabot Brian	-	Buy	$1.40K
May 15, 2026	Kabot Brian	-	Buy	$10.00K
May 15, 2026	Hadfield Chris	-	Buy	$7.98K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	4	-
2026 Q1	-	-
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-

MNTS Ownership FAQ

Who Owns Momentus?

Momentus shareholders are primarily institutional investors at 410.63%, followed by 0.46% insiders and -311.09% retail investors. The average institutional ownership in Momentus's industry, Defense Stocks, is 66.35%, which Momentus exceeds.

Who owns the most shares of Momentus?

Momentus’s largest shareholders are Davidson kempner capital management lp (850K shares, 136.45%), Blackrock funding, inc. /de (351.5K shares, 56.43%), and Citadel advisors (294.36K shares, 47.25%). Together, they hold 240.13% of Momentus’s total shares outstanding.

Does Blackrock own Momentus?

BlackRock is not among the top 10 institutional shareholders of Momentus.

Who is Momentus’s biggest shareholder by percentage of total assets invested?

Davidson kempner capital management lp is Momentus’s biggest shareholder by percentage of total assets invested, with 0.07% of its assets in 850K Momentus shares, valued at 5.71M$.

Who is the top mutual fund holder of Momentus shares?

Vanguard Institutional Extnd Mkt Idx Tr is the top mutual fund holder of Momentus shares, with 0.61% of its total shares outstanding invested in 115.78K Momentus shares.

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