Skip to main content

CITADEL ADVISORS LLC

Position in KROS — Keros Therapeutics, Inc.

CIK 1423053 MIAMI, FL

Position in KROS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,238,248
-$251,344 QoQ
Shares Held
396,098
-2.6% QoQ
Ownership
2.00%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#15
of 132 holders
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in KROS Over Time

Shares Held

Position Value (USD)

Derivatives in KROS

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$154,080
PutShares
14,400

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 Biotechnology

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $6,088,670,159 across 436 Biotechnology names. KROS ranks #150 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KROS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,238,248 396,098
2026-06-30 $154,080 14,400
2026-03-31 $4,489,592 406,666
2026-03-31 $189,888 17,200
2026-03-31 $1,434,096 129,900
2025-12-31 $451,992 22,200
2025-12-31 $4,141,224 203,400
2025-12-31 $9,620,506 472,520
2025-09-30 $740,376 46,800
2025-09-30 $346,458 21,900
2025-09-30 $2,786,598 176,144
2025-06-30 $978,555 73,300
2025-06-30 $305,688 22,898
2025-06-30 $480,600 36,000
2025-03-31 $1,952,494 191,609
2025-03-31 $1,682,369 165,100
2025-03-31 $1,413,353 138,700
2024-12-31 $1,005,205 63,500
2024-12-31 $12,523,254 791,109
2024-12-31 $221,620 14,000
2024-09-30 $656,191 11,300
2024-09-30 $40,934,877 704,923
2024-09-30 $307,771 5,300
2024-06-30 $54,840 1,200
2024-06-30 $18,759,118 410,484
2024-06-30 $82,260 1,800
2024-03-31 $29,808,403 450,278
2024-03-31 $814,260 12,300
2024-03-31 $331,000 5,000
2023-12-31 $83,496 2,100
2023-12-31 $59,640 1,500
2023-12-31 $30,224,278 760,168
2023-09-30 $12,916,149 405,149
2023-09-30 $3,188 100
2023-09-30 $19,128 600
2023-06-30 $13,171,003 327,800
2023-06-30 $20,090 500
2023-06-30 $24,108 600
2023-03-31 $42,700 1,000
2023-03-31 $4,270 100
2023-03-31 $15,862,323 371,483
2022-12-31 $883,568 18,400
2022-12-31 $19,470,717 405,471
2022-09-30 $16,105,384 428,107
2022-09-30 $970,596 25,800
2022-06-30 $9,790,800 354,354
2022-06-30 $483,525 17,500
2022-03-31 $386,098 7,100
2022-03-31 $15,235,155 280,161
2021-12-31 $16,213,237 277,102