How many institutions own SI stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own SI shares is N/A, representing N/A of the company's common stock.

Who are the major shareholders selling Shoulder Innovations, Inc. stock?

CITADEL ADVISORS LLC, in the last quarter, reduced its stake in SI by -62.44% restricting it's holding to 18.78 thousand shares of worth nearly $268.55K. UBS GROUP AG also lessened -90.8% of the SI shares from its portfolio, reducing its holding to 1.57 thousand shares of worth $22.39K. MONASHEE INVESTMENT MANAGEMENT LLC also shunned SI shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying SI stock?

As per its latest 13F filing, CITIGROUP INC increased its stake in SI by 3,478.85% in the last quarter. The institutional holder raised its holding to 5.58 thousand shares having worth more than $79.84K. WELLS FARGO & COMPANY/MN also added 66.35% more shares of SI to its portfolio, raising its holding to 5.25 thousand shares of worth $75.08K. CWM, LLC also increased its SI shares holding by 100% which brought its holding to 151 shares worth $2.00K.

SI's major insiders: who are they?

The insider with the most stakes in SI is Ball Robert Joseph , CEO & Executive Chairman at the company. Additionally, SI stock is highly held by Chief Financial Officer Points Jeffrey S. and director Buchholz Richard among others.

Did an insider recently sell SI stock?

Company executives, directors, and other insiders own N/A percent of Shoulder Innovations, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which SI insiders have sold stock, totaling 0 shares. Insiders that have sold shares include .

Which insider recently purchased SI stock?

There have been 7 transaction(s) during the past 6-months in which Shoulder Innovations, Inc. insiders have bought stock, totalling 14400 shares

How much of SI does insiders own?

Around 704.22K Shoulder Innovations, Inc. shares are held by insiders, which represents about N/A of SI stock.

Who is the insider with the largest stake?

SI CEO & Executive Chairman, Ball Robert Joseph holds the largest portfolio of the company's shares. SI shares owned by Ball total nearly 278.87 thousand.

Which institution holds the most shares in SI?

CITADEL ADVISORS LLC is the largest institutional owner in SI which holds 18.78 thousand shares worth $268.55K or 0.01% of the total SI shares outstanding followed by CITIGROUP INC with ownership of 5.58 thousand shares representing 0% of the SI ownership. WELLS FARGO & COMPANY/MN is the third largest stakeholder with 5.25 thousand shares or 0% of the ownership worth more than $75.08K.

Is Shoulder Innovations, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the SI is concerned, it is a stock which is not optionable.

Is there a short position on SI's shares?

Number of SI shares short is null. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding SI shares are there?

As of today, null shares of SI are outstanding.

Is there many float in SI stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, SI has null shares in float.

SI short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for SI is null.

Shoulder Innovations (SI) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding SharesN/A

Short Percent Of FloatN/A

Shares OutstandingN/A

Shares FloatN/A

Shares ShortN/A

Short RatioN/A

N/A

Short % of Float

N/A

Short % of Shares Outstanding

Institutional Ownership

About N/A of shares are held by financial institutions. CITADEL ADVISORS LLC is the top corporate investor, holding 18.78K shares valued at $268.55K. A 0.01% stake in Shoulder Innovations, Inc. is owned by the company. CITIGROUP INC owns 5.58K shares valued at $79.84K, which translates its holding of 0% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Dec 31, 2025	CITADEL ADVISORS LLC	0.01%	18.78K	268.55K	-31.22K	-62.44%
Dec 31, 2025	CITIGROUP INC	0%	5.58K	79.84K	5.43K	+3,478.85%
Dec 31, 2025	WELLS FARGO & COMPANY/MN	0%	5.25K	75.08K	2.09K	+66.35%
Dec 31, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0%	1.8K	25.74K	0	0
Dec 31, 2025	UBS GROUP AG	0%	1.57K	22.39K	-15.46K	-90.80%
Dec 31, 2025	LEGAL & GENERAL GROUP PLC	0%	462	6.61K	0	0
Dec 31, 2025	CWM, LLC	0%	151	2K	151	+100.00%
Dec 31, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0%	408	5.83K	0	0
Dec 31, 2025	AMERITAS INVESTMENT PARTNERS, INC.	0%	400	5.72K	0	0
Dec 31, 2025	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	0%	293	4.19K	293	+100.00%
Dec 31, 2025	MONASHEE INVESTMENT MANAGEMENT LLC	0%	0	-	-40K	-100.00%
Dec 31, 2025	OXFORD ASSET MANAGEMENT LLP	0%	0	-	-21.63K	-100.00%
Dec 31, 2025	MARSHALL WACE, LLP	0%	0	-	-132.89K	-100.00%
Dec 31, 2025	STRS OHIO	0%	0	-	-900	-100.00%
Dec 31, 2025	TRUE WEALTH DESIGN, LLC	0%	1	15	1	+100.00%
Dec 31, 2025	ROYAL BANK OF CANADA	0%	754	11K	-316	-29.53%
Dec 31, 2025	IFP ADVISORS, INC	0%	1	14	1	+100.00%
Dec 31, 2025	MORGAN STANLEY	0.11%	150.79K	2.16M	35.97K	+31.32%
Dec 31, 2025	ROUBAIX CAPITAL, LLC	0.12%	158.82K	2.27M	158.82K	+100.00%
Dec 31, 2025	VANGUARD GROUP INC	0.16%	220.43K	3.15M	74.16K	+50.70%
Dec 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.17%	232.98K	3.33M	-218.55K	-48.40%
Dec 31, 2025	TIMESSQUARE CAPITAL MANAGEMENT, LLC	0.21%	289.85K	4.14M	-92.52K	-24.20%
Dec 31, 2025	SECTORAL ASSET MANAGEMENT INC	0.36%	492.44K	7.04M	62.15K	+14.44%
Dec 31, 2025	NORTHERN TRUST CORP	0.03%	35.69K	510.41K	-2.44K	-6.41%
Dec 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	702	10.04K	-2.05K	-74.52%
Dec 31, 2025	JPMORGAN CHASE & CO	0%	1.92K	27.4K	-2	-0.10%
Dec 31, 2025	BANK OF AMERICA CORP /DE/	0.01%	18.78K	268.53K	-6.89K	-26.85%
Dec 31, 2025	JANE STREET GROUP, LLC	0.01%	16.37K	234.05K	16.37K	+100.00%
Dec 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.01%	12.3K	175.89K	12.3K	+100.00%
Dec 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.01%	11.78K	168.44K	0	0
Dec 31, 2025	BARCLAYS PLC	0.01%	7.46K	106.64K	722	+10.72%
Dec 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	1.48K	21.09K	1.48K	+100.00%
Dec 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	1.05K	14.99K	-652	-38.35%
Dec 31, 2025	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0%	1K	14.3K	0	0
Dec 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0%	2.3K	32.9K	88	+3.98%
Dec 31, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	0.01%	13.52K	193.35K	0	0
Dec 31, 2025	GSA CAPITAL PARTNERS LLP	0.02%	22.75K	325K	22.75K	+100.00%
Dec 31, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	7	100	7	+100.00%
Dec 31, 2025	CM MANAGEMENT, LLC	0.02%	25K	357.5K	25K	+100.00%
Dec 31, 2025	STATE STREET CORP	0.04%	58.42K	835.44K	19.64K	+50.65%
Dec 31, 2025	FEDERATED HERMES, INC.	0.06%	87.73K	1.25M	-112.27K	-56.14%
Dec 31, 2025	MILLENNIUM MANAGEMENT LLC	0.07%	92K	1.32M	92K	+100.00%
Dec 31, 2025	WALLEYE CAPITAL LLC	0.07%	93.43K	1.34M	21.62K	+30.10%
Dec 31, 2025	BLACKROCK, INC.	0.23%	311.35K	4.45M	33.98K	+12.25%
Dec 31, 2025	DEUTSCHE BANK AG\	0%	4.13K	59.1K	-3.6K	-46.58%
Dec 31, 2025	RHUMBLINE ADVISERS	0%	3.13K	44.77K	-1.16K	-26.95%
Dec 31, 2025	DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)	0%	0	-	-482.57K	-100.00%
Dec 31, 2025	NATIONAL BANK OF CANADA /FI/	0%	27	386	0	0
Dec 31, 2025	STERLING CAPITAL MANAGEMENT LLC	0%	126	1.8K	13	+11.50%
Dec 31, 2025	AMALGAMATED BANK	0%	150	2K	-4	-2.60%
Dec 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.08%	110.3K	1.58M	16.26K	+17.29%
Dec 31, 2025	FMR LLC	2.83%	3.85M	55.04M	0	0
Dec 31, 2025	SIO CAPITAL MANAGEMENT, LLC	0.17%	227.97K	3.26M	-122.03K	-34.87%
Dec 31, 2025	READYSTATE ASSET MANAGEMENT LP	0.03%	39.43K	563.86K	-1.31K	-3.22%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	2.76K	34.58K	2.76K	+100.00%
Sep 30, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	0.01%	13.52K	169.69K	13.52K	+100.00%
Sep 30, 2025	CITADEL ADVISORS LLC	0.04%	50K	627.5K	50K	+100.00%
Sep 30, 2025	STRS OHIO	0%	900	11.3K	900	+100.00%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.01%	11.78K	147.83K	11.78K	+100.00%
Sep 30, 2025	DEUTSCHE BANK AG\	0.01%	7.74K	97.1K	7.74K	+100.00%
Sep 30, 2025	FMR LLC	2.83%	3.85M	48.3M	3.85M	+100.00%
Sep 30, 2025	DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)	0.35%	482.57K	6.06M	482.57K	+100.00%
Sep 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.33%	451.54K	5.67M	451.54K	+100.00%
Sep 30, 2025	SIO CAPITAL MANAGEMENT, LLC	0.26%	350K	4.39M	350K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	0.2%	277.37K	3.48M	277.37K	+100.00%
Sep 30, 2025	FEDERATED HERMES, INC.	0.15%	200K	2.51M	200K	+100.00%
Sep 30, 2025	MARSHALL WACE, LLP	0.1%	132.89K	1.67M	132.89K	+100.00%
Sep 30, 2025	UBS GROUP AG	0.01%	17.03K	213.69K	17.03K	+100.00%
Sep 30, 2025	STERLING CAPITAL MANAGEMENT LLC	0%	113	1.42K	113	+100.00%
Sep 30, 2025	NATIONAL BANK OF CANADA /FI/	0%	27	339	27	+100.00%
Sep 30, 2025	WALLEYE CAPITAL LLC	0.05%	71.82K	901.28K	71.82K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.07%	94.05K	1.18M	94.05K	+100.00%
Sep 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0%	2.21K	27.77K	2.21K	+100.00%
Sep 30, 2025	SECTORAL ASSET MANAGEMENT INC	0.32%	430.28K	5.4M	430.28K	+100.00%
Sep 30, 2025	TIMESSQUARE CAPITAL MANAGEMENT, LLC	0.28%	382.37K	4.8M	382.37K	+100.00%
Sep 30, 2025	VANGUARD GROUP INC	0.11%	146.27K	1.84M	146.27K	+100.00%
Sep 30, 2025	BARCLAYS PLC	0.01%	6.74K	84.52K	6.74K	+100.00%
Sep 30, 2025	WELLS FARGO & COMPANY/MN	0%	3.16K	39.61K	3.16K	+100.00%
Sep 30, 2025	JPMORGAN CHASE & CO	0%	1.92K	24.07K	1.92K	+100.00%
Sep 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0%	1.8K	22.59K	1.8K	+100.00%
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	1.7K	21.34K	1.7K	+100.00%
Sep 30, 2025	ROYAL BANK OF CANADA	0%	1.07K	13K	1.07K	+100.00%
Sep 30, 2025	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0%	1K	12.55K	1K	+100.00%
Sep 30, 2025	LEGAL & GENERAL GROUP PLC	0%	462	5.81K	462	+100.00%
Sep 30, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0%	408	5.12K	408	+100.00%
Sep 30, 2025	AMERITAS INVESTMENT PARTNERS, INC.	0%	400	5.02K	400	+100.00%
Sep 30, 2025	CITIGROUP INC	0%	156	1.96K	156	+100.00%
Sep 30, 2025	AMALGAMATED BANK	0%	154	2K	154	+100.00%
Sep 30, 2025	MORGAN STANLEY	0.08%	114.83K	1.44M	114.83K	+100.00%
Sep 30, 2025	READYSTATE ASSET MANAGEMENT LP	0.03%	40.75K	511.35K	40.75K	+100.00%
Sep 30, 2025	MONASHEE INVESTMENT MANAGEMENT LLC	0.03%	40K	502K	40K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.03%	38.78K	486.7K	38.78K	+100.00%
Sep 30, 2025	NORTHERN TRUST CORP	0.03%	38.14K	478.61K	38.14K	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.02%	25.67K	322.16K	25.67K	+100.00%
Sep 30, 2025	OXFORD ASSET MANAGEMENT LLP	0.02%	21.63K	271.51K	21.63K	+100.00%
Sep 30, 2025	RHUMBLINE ADVISERS	0%	4.29K	53.79K	4.29K	+100.00%
Mar 31, 2023	CAPITAL FUND MANAGEMENT S.A.	0.11%	146.8K	237.82K	70K	+91.15%
Mar 31, 2023	BELVEDERE TRADING LLC	0.11%	144.8K	234.58K	97.5K	+206.13%
Mar 31, 2023	WALLEYE TRADING LLC	0.11%	143.9K	233.12K	-42.7K	-22.88%
Mar 31, 2023	PEAK6 INVESTMENTS LLC	0.08%	115.2K	186.62K	-248.7K	-68.34%
Mar 31, 2023	TUDOR INVESTMENT CORP ET AL	0.08%	113.36K	184K	113.36K	+100.00%
Mar 31, 2023	SWISS NATIONAL BANK	0.05%	68.4K	110.81K	-8K	-10.47%
Mar 31, 2023	JPMORGAN CHASE & CO	0.05%	65.29K	106K	18.35K	+39.08%
Mar 31, 2023	MORGAN STANLEY	0.04%	60.59K	98.15K	-800.67K	-92.97%
Mar 31, 2023	SCULPTOR CAPITAL LP	0.04%	50K	81K	50K	+100.00%
Mar 31, 2023	GUGGENHEIM CAPITAL LLC	0.04%	54.83K	88.83K	2.72K	+5.23%
Mar 31, 2023	SANDLER CAPITAL MANAGEMENT	0.18%	250K	405K	-520K	-67.53%
Mar 31, 2023	INVESCO LTD.	0.74%	1.01M	1.63M	644.22K	+177.63%
Mar 31, 2023	VANGUARD GROUP INC	1.28%	1.74M	2.81M	-1.26M	-42.14%
Mar 31, 2023	TWO SIGMA ADVISERS, LP	0.41%	562.2K	910.76K	-12K	-2.09%
Mar 31, 2023	HARVEST PORTFOLIOS GROUP INC.	0.06%	19.56K	31.68K	-5.79K	-22.85%
Mar 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0.06%	20.05K	32.45K	-16.49K	-45.14%
Mar 31, 2023	NORTHERN TRUST CORP	0.08%	25.7K	41.63K	-255.04K	-90.85%
Mar 31, 2023	LONGITUDE (CAYMAN) LTD.	0.09%	30K	48.6K	30K	+100.00%
Mar 31, 2023	HAP TRADING, LLC	0.11%	34.1K	3K	-179K	-84.00%
Mar 31, 2023	UBS GROUP AG	0.05%	70K	113.4K	70K	+100.00%
Mar 31, 2023	VIRTU FINANCIAL LLC	0.07%	97.59K	158K	97.59K	+100.00%
Mar 31, 2023	683 CAPITAL MANAGEMENT, LLC	0.07%	100K	162K	100K	+100.00%
Mar 31, 2023	CUTLER GROUP LLC / CA	0.12%	156.7K	697K	121K	+338.94%
Mar 31, 2023	POINT72 MIDDLE EAST FZE	0.13%	170.95K	276.93K	156.52K	+1,085.16%
Mar 31, 2023	GOLDMAN SACHS GROUP INC	0.16%	211K	341.82K	31.7K	+17.68%
Mar 31, 2023	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.17%	227.77K	368.99K	-124.59K	-35.36%
Mar 31, 2023	JEFFERIES FINANCIAL GROUP INC.	0.18%	243.5K	394.47K	243.5K	+100.00%
Mar 31, 2023	DEER PARK ROAD CORP	0.18%	250K	405K	250K	+100.00%
Mar 31, 2023	WOLVERINE TRADING, LLC	0.22%	305.8K	495K	-9.7K	-3.07%
Mar 31, 2023	TWO SIGMA INVESTMENTS, LP	0.26%	357.91K	579.82K	-295.87K	-45.26%
Mar 31, 2023	BANK OF AMERICA CORP /DE/	0.25%	335.2K	543.02K	335.2K	+100.00%
Mar 31, 2023	NOMURA HOLDINGS INC	0.35%	476.98K	772.7K	470.36K	+7,105.11%
Mar 31, 2023	QUINN OPPORTUNITY PARTNERS LLC	0.41%	561.76K	910.04K	561.76K	+100.00%
Mar 31, 2023	BARCLAYS PLC	0.46%	624.89K	1.01M	528.87K	+550.78%
Mar 31, 2023	MILLENNIUM MANAGEMENT LLC	0.6%	814.21K	1.32M	-328.64K	-28.76%
Mar 31, 2023	WALLEYE CAPITAL LLC	0.11%	34.68K	56.19K	-627	-1.78%
Mar 31, 2023	CITADEL ADVISORS LLC	0.87%	1.18M	1.92M	-419.8K	-26.21%
Mar 31, 2023	STATE STREET CORP	0.03%	46.33K	75.06K	-2.9M	-98.43%
Mar 31, 2023	BALYASNY ASSET MANAGEMENT L.P.	0.04%	54.49K	88.27K	54.49K	+100.00%
Mar 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.05%	67.73K	109.73K	33.18K	+96.00%
Mar 31, 2023	TWO SIGMA SECURITIES, LLC	0.05%	62.46K	101.18K	62.46K	+100.00%
Mar 31, 2023	JANE STREET GROUP, LLC	0.43%	589.98K	955.76K	442.97K	+301.33%
Mar 31, 2023	STILWELL VALUE LLC	0.15%	197.5K	319.95K	126.5K	+178.17%

Insiders

Among the SI insiders holding of N/A of the stake in company, BALL ROBERT JOSEPH, CEO & Executive Chairman, holds the largest shares of 278.87K. POINTS JEFFREY S., Chief Financial Officer, is the second largest SI insider with ownership of 70.79K shares. BUCHHOLZ RICHARD, director, stands third with possession of 13.67K shares of that stake.

Insiders	Designation	Shares Held
BALL ROBERT JOSEPH	CEO & Executive Chairman	278.87K
POINTS JEFFREY S.	Chief Financial Officer	70.79K
BUCHHOLZ RICHARD	director	13.67K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Mar 13, 2026	POINTS JEFFREY S.	PURCHASE	15.00	2K	30K	70.79K
Mar 13, 2026	BUCHHOLZ RICHARD	PURCHASE	14.84	1K	14.84K	13.67K
Mar 13, 2026	BALL ROBERT JOSEPH	PURCHASE	15.18	2.2K	33.39K	278.87K
Dec 12, 2025	POINTS JEFFREY S.	PURCHASE	14.98	1.01K	15.05K	54.45K
Dec 12, 2025	BALL ROBERT JOSEPH	PURCHASE	14.89	3.9K	58.08K	118.46K
Dec 11, 2025	BALL ROBERT JOSEPH	PURCHASE	14.83	3.3K	48.93K	114.56K
Dec 11, 2025	POINTS JEFFREY S.	PURCHASE	14.65	995	14.58K	53.44K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE14.4K7

SALES00

NET SHARES14.4K7

SHARES HELD704.22K7

% NET SHARES-97.96%0%

Frequently Asked Questions