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Atika Capital Management LLC

Position in AXSM — Axsome Therapeutics, Inc.

CIK 1599731 NEW YORK, NY

Position in AXSM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$15,420,508
+$5,283,989 QoQ
Shares Held
63,000
+13.5% QoQ
Ownership
0.120%
of shares outstanding
% of Portfolio
1.53%
of 13F equity value
Holder Rank
#101
of 500 holders
Holding Since
Jun 2022
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AXSM Over Time

Shares Held

Position Value (USD)

Derivatives in AXSM

reported options exposure · as of Sep 30, 2022
CallValue
$55,774
CallShares
1,250
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 Biotechnology

Healthcare · as of Jun 30, 2026

Atika Capital Management LLC holds $138,478,275 across 17 Biotechnology names. AXSM ranks #4 (11.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 AXSM
Axsome Therapeutics, Inc.
This page
63,000 $15,420,508

All Filings in AXSM

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,420,508 63,000
2025-12-31 $10,136,519 55,500
2025-09-30 $5,951,049 49,000
2025-06-30 $4,814,570 46,121
2025-03-31 $8,595,630 73,700
2024-12-31 $1,861,419 22,000
2024-09-30 $5,122,589 57,000
2024-06-30 $3,944,500 49,000
2024-03-31 $5,426,399 68,000
2023-12-31 $5,308,651 66,700
2023-09-30 $4,962,189 71,000
2023-06-30 $8,048,319 112,000
2023-03-31 $9,560,399 155,000
2022-12-31 $17,472,643 226,535
2022-09-30 $11,794,403 264,330
2022-09-30 $55,774 1,250
2022-06-30 $5,744,999 150,000
2022-06-30 $38,299 1,000