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Equibles

CITADEL ADVISORS LLC

Position in CTSO — Cytosorbents Corp

CIK 1423053 MIAMI, FL
Back to CTSO Full portfolio

Position in CTSO

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$6,112
-$89,277 QoQ
Shares Held
10,799
-92.8% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in CTSO Over Time

Shares Held

Position Value (USD)

Derivatives in CTSO

reported options exposure · as of Jun 30, 2025
CallValue
$36,992
CallShares
28,900
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Medical Devices

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $1,870,037,695 across 83 Medical Devices names. CTSO ranks #83 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BSX
Boston Scientific Corp
 4,217,314 $264,636,453
2 ABT
Abbott Laboratories
 1,915,846 $196,699,908
3 GMED
Globus Medical Inc
 1,966,114 $169,400,381
4 GKOS
GLAUKOS Corp
 1,446,926 $155,776,052
5 DXCM
Dexcom Inc
 2,091,872 $131,369,561
6 ZBH
Zimmer Biomet Holdings, Inc.
 1,378,665 $124,658,889
7 GEHC
GE HealthCare Technologies Inc.
 1,293,268 $92,054,816
8 MDT
Medtronic plc
 982,741 $85,154,507

All Filings in CTSO

Export CSV
44 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $6,112 10,799
2025-12-31 $95,389 149,279
2025-09-30 $61,354 65,690
2025-06-30 $36,992 28,900
2025-03-31 $8,100 8,100
2025-03-31 $6,900 6,900
2025-03-31 $8,183 8,183
2024-12-31 $14,560 16,000
2024-09-30 $43,630 29,087
2024-09-30 $23,100 15,400
2024-06-30 $7,100 10,100
2024-06-30 $351 500
2023-09-30 $3,948 2,100
2023-09-30 $57,693 30,688
2023-09-30 $4,136 2,200
2023-06-30 $6,462 1,800
2023-06-30 $57,799 16,100
2023-06-30 $135,705 37,801
2023-03-31 $31,341 9,300
2023-03-31 $44,457 13,192
2023-03-31 $51,224 15,200
2022-06-30 $277,905 126,898
2022-03-31 $72,099 22,602
2021-12-31 $87,243 20,822
2021-09-30 $105,560 13,000
2021-09-30 $499,842 61,557
2021-06-30 $237,182 31,415
2021-06-30 $207,625 27,500
2021-06-30 $323,140 42,800
2021-03-31 $157,976 18,200
2021-03-31 $205,177 23,638
2021-03-31 $297,724 34,300
2020-12-31 $551,571 69,206
2020-12-31 $109,189 13,700
2020-12-31 $164,979 20,700
2020-09-30 $259,985 32,600
2020-09-30 $1,035,178 129,803
2020-09-30 $244,035 30,600
2020-06-30 $946,826 95,639
2020-06-30 $483,120 48,800
2020-06-30 $437,580 44,200
2020-03-31 $80,755 10,447
2020-03-31 $257,409 33,300
2020-03-31 $194,023 25,100

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